DESC:FORM 2

THE PATENTS ACT, 1970
(39 of 1970)
&
THE PATENT RULES, 2003

COMPLETE SPECIFICATION
(See Section 10 and Rule 13)

Title of invention:
A PROCESS OF CHARGING AN ENERGY STORAGE SYSTEM

APPLICANT
EXPONENT ENERGY PRIVATE LIMITED

An Indian entity having address as:
No.76/2, Site No.16, Khatha No.69, Singasandra Village, Bengaluru (Bangalore) Urban, BENGALURU, KARNATAKA 560068

The following specification describes the invention and the manner in which it is to be performed.

CROSS-REFERENCE TO RELATED APPLICATIONS AND PRIORITY
The present application claims priority from the Indian provisional patent application, having application number 202241029626, filed on 23rd June 2022, incorporated herein by a reference.
TECHNICAL FIELD
The present subject matter described herein, in general, relates to charging of an electric storage system, more particularly to fast charging of the electric storage modules that may be used in an electric vehicle.
BACKGROUND
The subject matter discussed in the background section should not be assumed to be prior art merely because of its mention in the background section. Similarly, a problem mentioned in the background section or associated with the subject matter of the background section should not be assumed to have been previously recognized in the prior art. The subject matter in the background section merely represents different approaches, which in and of themselves may also correspond to implementations of the claimed technology.
The currently available methods for fast charging of battery disclose an electric vehicle charging station, configured to verify rights of a user to use the charging station for charging the electric vehicle. Further successful verification, enables unlocking of a locking unit mounted to a frame of the charging station and securing an electrical charging gun electrically connected to a source of electrical power in a receiving portion of the base structure, thereby providing the user access to the electrical charging gun. Thus, enabling the user to electrically connect a battery of the electric vehicle to the electrical charging gun, thereby charging the electric vehicle.
Yet another solution proposed for fast charging of an electric vehicle discloses providing a charging plug having contact pins for establishing a plug connection to a coupling. Further temperature sensors thermally coupled to the contact pins for detecting a temperature profile between the charging plug and the coupling, and a Hall sensor for checking the plug connection. The solution further discloses using the contact pins for establishing a plug connection and activating the Hall sensor by means of the signal lines. Further using the Hall sensor to check the plug connection using the signal lines to activate the temperature sensors and using the temperature sensors during the charging process for detecting the temperature profile.
Further a prior art discloses providing an electric vehicle supply equipment (EVSE) containing a housing, an electric vehicle supply circuit disposed within the housing for supplying power to an electric vehicle from a power source, an electric vehicle charging gun, a charging cord for operatively coupling the electric vehicle charging gun to the electric vehicle supply circuit, and a storage charging gun rotatably attached to the housing to hold the electric vehicle charging gun when in a first position. Further rotating the charging gun to a second position relative to the housing so that the charging gun can be removed from the housing. The prior art further discloses coupling the charging gun to the electric vehicle and charging the electric vehicle. The method as discloses in the reference further discloses removing the charging gun from the electric vehicle and coupling the charging gun to the charging gun. Further rotating the storage charging gun from the second position to the first position relative to the housing to secure the charging gun to the housing.
Though the prior art disclosed the method for fast charging and proposed solutions to check for temperature rise during the fast charging. However, none of the references discussed above propose a solution or method to optimally perform checks and validation before charging, during charging and after charging of the electric vehicle.
SUMMARY
This summary is provided to introduce concepts related to a charging process of an energy storage system, with pre-connector mating validation, post-connector mating validation, charging, post-charging validation and charge completion process, and the concepts are further described below in the detailed description. This summary is not intended to identify essential features of the claimed subject matter nor is it intended for use in determining or limiting the scope of the claimed subject matter.
In one embodiment, a system of a charging station, for charging of an energy storage module (ESM) is disclosed. The system may comprise a power supply unit for supplying an electric charge, a fluid supply unit for communicating conditioning fluid, and a charging gun for communicating, the electric charge and the conditioning fluid, with the ESM. Further, the ESM may be placed external to the system. Further, the system may comprise a charge conditioning module (CCM) for conditioning the power supply unit. Further, the system may comprise a temperature conditioning module (TCM) for conditioning the fluid supply unit, and an energy management module (EMM) may be configured to control one of, the CCM, the TCM, the charging gun, the ESM and a combination thereof, for charging the ESM.
In one implementation, a method for charging of an energy storage module (ESM), by an energy management module (EMM) of a charging station is disclosed. The method may comprise a step of performing, by the EMM, a pre-connector mating validation process. Further, the method may comprise a step of performing, by the EMM, a post-connector mating validation process before charging begins. Further, the method may comprise a step of performing, by the EMM, a charging process of the ESM. Further, the method may comprise a step of performing, by the EMM, a post-charging validation process. Finally, the method may comprise a step of performing, by the EMM, a charge completion process.
In one aspect of the present invention, a method of performing the pre-connector mating validation process by the EMM is disclosed. The method may comprise a step of performing safety electrical checking of a set of electronic modules using a charge conditioning module (CCM). Further, the method may comprise a step of performing safety checking of a fluid circuit using a temperature conditioning module (TCM). Further, the method may comprise a step of performing conditioning check of conditioning fluid using the TCM. Further, the method may comprise a step of performing safety checking of electrical or other subcomponents of a charging gun, and further, the method may comprise a step of monitoring a signal to detect mating of the charging gun with a charging socket of the ESM.
In another aspect of the present invention, a method of performing the post-connector mating validation process before charging begins, by the EMM, is disclosed. The method may comprise a step of performing a mating check of the charging gun with the charging socket of the ESM. Further, the method may comprise a step of performing an authentication check of the ESM. Further, the method may comprise a step of receiving conditioning status of the ESM. Further, the method may a comprise step of performing impedance check of a charging circuit at the charging station. Further, the method may comprise a step of performing fluid leak check of the fluid circuit at the charging station. Further, the method may comprise a step of processing current rating, fluid flow rating at the charging station, based on the conditioning status of the ESM, and finally, the method may comprise a step of determining a sequence of starting one of, the electric charge and the conditioning fluid, and a combination thereof, based on comparing an ambient temperature of the ESM with an operational temperature of the ESM.
Yet another aspect of the present invention, a method of performing the charging process of the ESM, by the EMM is disclosed. The method may comprise a step of providing the electric current to charge the ESM, based on the conditioning status of the ESM. Further, the method may comprise a step of dispensing the conditioning fluid to conditioning the ESM, based on the conditioning status of the ESM. Further, the method may comprise a step of performing charge safety check and fluid conditioning check regularly while performing the charging process of the ESM. Further, the method may comprise a step of controlling charge flow and fluid flow, based on the charge safety check and the fluid conditioning check.
In further aspect of the present invention, a method of performing the post-charging validation process, by the EMM may be disclosed. The method may comprise steps of monitoring charge stopping events, and determining a sequence of stopping one of, the electric charge and the conditioning fluid, and a combination thereof, based on comparing the ambient temperature of the ESM with the operational temperature of the ESM.
In another aspect of the present invention, a method of performing the charge completion process, by the EMM is disclosed. The method may comprise a step of detecting the operational temperature of the ESM. Further, the method may comprise a step of removing the conditioning fluid from the ESM, based on the operational temperature of the ESM. Further, the method may comprise a step of closing all valves of the fluid circuit at the charging station. Further, the method may comprise a step of switching off the current flow, and finally, the method may comprise a step of disengaging lock of the charging gun with the charging socket of the ESM.
BRIEF DESCRIPTION OF DRAWINGS
The detailed description is described with reference to the accompanying figures. In the figures, the left-most digit(s) of a reference number identifies the figure in which the reference number first appears. The same numbers are used throughout the drawings to refer like features and components.
Figure 1 illustrates a block diagram of a system (100) of a charging station (110), for charging of an energy storage module (121), in accordance with an embodiment of a present subject matter.
Figure 2 illustrates a flowchart of a method (200) for performing a pre-connector mating validation process, in accordance with an embodiment of the present subject matter.
Figure 3 illustrates a flowchart of a method (300) for performing a post-connector mating validation process before charging begins, in accordance with an embodiment of the present subject matter.
Figure 4 illustrates a flowchart of a method (400) for performing a charging process, in accordance with an embodiment of the present subject matter.
Figure 5 illustrates a flowchart of a method (500) for performing a post-charging validation process, in accordance with an embodiment of the present subject matter.
Figure 6 illustrates a flowchart of a method (600) for performing a charge completion process, in accordance with an embodiment of the present subject matter.
DETAILED DESCRIPTION
Reference throughout the specification to “various embodiments,” “some embodiments,” “one embodiment,” or “an embodiment” means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases “in various embodiments,” “in some embodiments,” “in one embodiment,” or “in an embodiment” in places throughout the specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.
The present disclosure discloses a method and a system of a charging station, for charging of an energy storage module (ESM) is disclosed. In an embodiment of the present disclosure, the system comprises a power supply unit, a fluid supply unit, a charging gun, a charge conditioning module (CCM), a temperature conditioning module (TCM) and an energy management module (EMM). The power supply unit is configured for supplying an electric charge. The fluid supply unit is configured for communicating conditioning fluid. The charging gun is configured for communicating, the electric charge and the conditioning fluid, with the ESM. The ESM may be placed in an electric vehicle external to the system. The CCM is configured for conditioning the power supply unit. The TCM is configured for conditioning the fluid supply unit, and the EMM is configured to control one of, the CCM, the TCM, the charging gun, the ESM and a combination thereof, for charging the ESM.
Further, in another embodiment of the present disclosure, a method for charging of the ESM, by the EMM of the charging station is disclosed. The method may comprise a step of performing a pre-connector mating validation process. Further, the method may comprise a step of performing, a post-connector mating validation process before charging begins. Further, the method may comprise a step of performing a charging process of the ESM. Further, the method may comprise a step of performing a post-charging validation process. Finally, the method may comprise a step of performing a charge completion process.
Now referring to figure 1, a system (100) of a charging station (110) for charging of an energy storage module (ESM) (121) is illustrated, in accordance with an embodiment of a present subject matter. The system (100) comprises a power supply unit (not illustrated), a fluid supply unit (not illustrated), a charging gun (114), a charge conditioning module (CCM) (111), a temperature conditioning module (TCM) (113) and an energy management module (EMM) (112). In one embodiment, the power supply unit is configured for supplying an electric charge. The power supply unit is a part of the electric charging station (110). The power supply unit may comprise one or more power input units, one or more power converters, one or more power storage units, a charger, and a set of electronic modules. In an embodiment, the one or more power input units may correspond to a fixed power unit connected to one or more electric power grids for receiving electric power supply. The one or more power grids correspond to one of Direct current (DC) power grids, Alternating current (AC) power grids, and a combination thereof. The electric power supply corresponds to either the AC power supply or the DC power supply. In a related embodiment, the one or more power input units of the electric charging station (110) may correspond to an array of energy storage modules, configured to store the electric charge at the electric charging station (110). The power supply unit may be configured for supplying the stored electric charge to the ESM (121) of the electric vehicle via the charging gun (114). The set of electronic modules may comprise a surge protection device, a tunable Earth Leakage measurement module, a tunable voltage monitoring relay, and a set of rectifiers. The one or more power converters may correspond to one of, AC-to-AC converter, AC-to-DC converter, DC-to-DC converter, DC-to-AC converter, step down converter, step up converter, and a combination thereof. The one or more power storage units are configured to store electric current, used for charging the ESM (121). The charger is configured to transfer electric current to ESM (121).
In another embodiment, the fluid supply unit is configured for communicating conditioning fluid. The fluid supply unit is a part of the electric charging station (110). In an embodiment, the fluid supply unit at the electric charging station (110) may comprise a fluid reservoir and a fluid circuit. The fluid circuit may comprise one or more heat exchanger, one or more pumps, a fluid level sensor, a fluid temperature sensor, one or more valves, a plurality of fluid hoses and a plurality of junctions or more. The fluid reservoir may correspond to a storage container configured to store the conditioning fluid, which needs to be supplied to the ESM (121) of the electrical vehicle while charging the ESM (121). The conditioning fluid may correspond to hot fluid or cold fluid. The one or more heat exchanger may be configured to condition the fluid in the fluid reservoir. The heat exchanger may act as a heat source or a heat sink depending on the temperature requirement of the ESM (121). In one embodiment, one or more pumps may be configured to pump the conditioning fluid from the fluid reservoir to the ESM (121) of the electric vehicle. In another embodiment, the pumps may be used to suck the conditioning fluid from the ESM (121) of the electric vehicle to the fluid reservoir. The one or more valves in the fluid supply unit may be configured to switch ON or OFF, flow of the conditioning fluid depends on the operational requirements of the fluid supply unit. In another embodiment, the fluid supply unit at the electric charging station (110) may comprise multiple fluid reservoirs. A first fluid reservoir from the multiple fluid reservoirs may correspond to store cold conditioning fluid. A second fluid reservoir from the multiple fluid reservoirs may correspond to store hot conditioning fluid. In a related embodiment, one pump from the one or more pumps may be configured to transfer the hot conditioning fluid from the second fluid reservoir to the ESM (121) of the electric vehicle. In another related embodiment, another pump from one or more pumps may be configured to transfer the cold conditioning fluid from the first fluid reservoir to the ESM (121) of the electric vehicle. In a related embodiment, a single pump from the one or more pumps, may be configured to transfer cold conditioning fluid from the first fluid reservoir and/or hot conditioning fluid from the second fluid reservoir to the ESM (121). In yet another embodiment, the pumps may be configured to suck the conditioning fluid from the ESM (121) of the electric vehicle to the corresponding fluid reservoir at the electric charging station (110). In another embodiment, the pumps may be configured to push air into the ESM (121) of the electric vehicle to pull the conditioning fluid out of the ESM (121). In an embodiment, the one or more pumps may correspond to one of, a primary pump, a suction pump, an air pump and a combination thereof. Further, the primary pump is configured to deliver the conditioning fluid to the ESM (121). Further, the suction pump is configured to receive the conditioning fluid from the ESM (121). Further, the air pump is configured to deliver compressed air flow to one of the ESM (121), the fluid circuit, and a combination thereof.
In another embodiment, the charging gun (114) is configured for communicating the electric charge and the conditioning fluid with the ESM (121). The ESM (121) may be placed external to the system (100). Further, the charging gun (114) may comprise one or more power pins configured to connect with power lines of the CCM (111), one or more communication (signal) pins configured to connect to EMM (112), and one or more fluid conduits to connect with the TCM (113). In one embodiment, one fluid conduit from the one or more fluid conduits may be configured for inflow of the conditioning fluid to the fluid supply unit. In another embodiment, another fluid conduit from the one or more fluid conduits is configured for outflow of the conditioning fluid from the fluid supply unit.
Further, the CCM (111) is configured for conditioning the power supply unit. Further, the TCM (113) is configured for conditioning the fluid supply unit. Further the EMM (112) is configured to control one of the CCM (111), the TCM (113), the charging gun (114), the ESM (121) and a combination thereof, for charging the ESM (121).In one embodiment, controlling the CCM (111) by the EMM (112) may correspond to one of, performing safety checks, conditioning, and controlling of current rating, voltage condition, phase status, health of electric charge, faults on the set of electronic modules, checking impedance of the charging circuit, current leakage, charger health, charger readiness status, charge-fluid sequence, reducing charge rate, increasing charge rate, start charging, stop charging and a combination thereof. In another embodiment, controlling the TCM (113) by the EMM (112) may correspond to one of, performing safety checks of the fluid circuit, conditioning of the fluid circuit, and controlling of the fluid circuit, controlling fluid flow rate, fluid temperature, fluid conditioning, cooling fluid, heating fluid, fluid viscosity, fluid-charge sequence, status of fluid pump, fluid level, fluid leakage, faults on a set of fluid circuit, fluid flow starting, fluid flow stop, opening fluid valves, closing fluid valves, fluid-charge sequence, a heat exchanger readiness status and a combination thereof.
In yet another embodiment, controlling the charging gun (114) by the EMM (112) may correspond to one of, performing safety checking of electrical or other subcomponents of the charging gun (114), connection signal, mating of the charging gun (114) with a charging socket (122) of the ESM (121), checking electrical signal, insulation monitoring signal, sub-component faults, conductor temperature, locking the charging gun (114) to the charging socket (122) of the ESM (121), disengaging the charging gun (114) and a combination thereof.
Further in another embodiment, controlling the ESM (121) by the EMM (112) may corresponds to one of, performing authentication check of the ESM (121), receiving conditioning status of the ESM (121), checking voltage, checking current capacity, checking chemistry, checking operational temperature, checking ambient temperature, checking state of charge (SOC), fault status, ability of power lines to carry charge, power line failure status, checking ESM (121) compatibility, connecting with Battery Management System (BMS), providing electric current for charging the ESM (121), providing conditioning fluid for conditioning the ESM (121), sucking of conditioning fluid from the ESM (121), and a combination thereof.
Now, a method for charging of the ESM (121), by the EMM (112) of the charging station (110) is disclosed. The method may comprise a step of, performing, by the EMM (112), a pre-connector mating validation process (200). Further, the method may comprise a step of performing, by the EMM (112), a post-connector mating validation process (300) before charging begins. Further, the method may comprise a step of performing, by the EMM (112), a charging process (400) of the ESM (121). Further, the method may comprise a step of performing, by the EMM (112), a post-charging validation process (500). Finally, the method may comprise a step of performing, by the EMM (112), a charge completion process (600).
Now referring to figure 2, a method (200) for performing the pre-connector mating validation process (200), by the EMM (112) is illustrated, in accordance with an embodiment of the present subject matter. The method (200) may comprise following steps: initially the EMM (112) may perform (201) safety electrical checking of the set of electronic modules using the CCM (111). Further, the EMM (112) may perform (202) safety checking of the fluid circuit using the TCM (113). Further, the EMM (112) may perform (203) conditioning checks of conditioning fluid using the TCM (113). Further, the EMM (112) may perform (204) safety checking of electrical or other subcomponents of the charging gun (114), and finally the EMM (112) may start monitor (205) a signal to detect mating of the charging gun (114) with the charging socket (122) of the ESM (121).
In one embodiment, performing (201) safety electrical checking using the CCM (111) may corresponds to checking, controlling, correcting problem related to health of an electric charge, from one of, an under voltage condition, an over voltage condition, phase loss, phase reversal, phase-phase voltage variation, under current, over current, a leakage current, charger health, charger readiness status, device failure, voltage failure, a fault in the set of rectifiers, rectifier readiness, a comprehensive health status and a combination thereof.
In another embodiment, performing (202) safety checking using the TCM (113) may correspond to checking, controlling, correcting problem related to health of the fluid circuit, from one of, a status of fluid pump, a fluid level, fluid leakage, a status of solenoids, a heat exchanger readiness status and a combination thereof.
In yet another embodiment, performing (203) conditioning check of conditioning fluid using the TCM (113) may correspond to checking, controlling, correcting problems related to, one of, fluid temperature, fluid viscosity and a combination thereof.
Further, performing (204) safety checking of the electrical or other subcomponents of the charging gun (114) may correspond to checking connection and/or faults related to one of, connection signal, electrical signal, insulation monitoring signal, sub-component faults, conductor temperature and a combination thereof.
Now referring to figure 3, the method (300) for performing the post-connector mating validation process (300) before charging begins, is illustrated, in accordance with an embodiment of the present subject matter. The method (300) may comprise following steps. At step (301), the EMM (112) may be performing a mating check of the charging gun (114) with the charging socket (122) of the ESM (121). Further at step (302), the EMM (112) may be performing an authentication check of the ESM (121). Further, at step (303), the EMM (112) may be receiving conditioning status of the ESM (121). Further, at step (304) the EMM (112) may be performing impedance check of the charging circuit at the charging station (110). Further, at step (305), the EMM (112) may be performing fluid leak check of the fluid circuit at the charging station (110). Further at step (306), the EMM (112) may be processing current rating, fluid flow rating at the charging station (110) based on the conditioning status of the ESM (121), and finally at step (307), the EMM (112) may be determining a sequence of starting one of, the electric charge and the conditioning fluid, and a combination thereof, based on comparing an ambient temperature of the ESM (121) with an operational temperature of the ESM (121).
In one embodiment, performing (302) the authentication check of the ESM (121) may correspond to checking compatibility of the ESM (121) with the charging station (110). Further, compatibility checking of the ESM (121) may be used to determine capability of the ESM (121) to charge at a required current level. In another embodiment, the step (302) of authentication check of the ESM (121) may be performed with a Battery Management System (BMS) of the ESM (121).
In one embodiment, the conditioning status of the ESM (121) may correspond to one of, voltage, current, capacity, chemistry, temperature, state of charge (SOC), fault status, ability of power lines to carry charge, power line failure status, and a combination thereof.
In an embodiment, the step (306) of processing current rating may comprise reducing current rating, increasing current rating, starting the current, stopping the current, and a combination thereof. Further, in another embodiment, the step (306) of processing fluid flow rating comprises increasing fluid flow rating, decreasing fluid flow rating, conditioning the fluid temperature, stopping the fluid flow, starting the fluid flow, and a combination thereof. The conditioning of the fluid temperature may comprise, one of, cooling the fluid, heating the fluid, and a combination thereof.
Now referring to figure 4, the method (400) for performing the charging process of the ESM (121), by the EMM (112) is illustrated, in accordance with an embodiment of the present subject matter. The method (400) may comprise following steps: firstly at step (401), the EMM (112) may be providing the electric current to charge the ESM (121), based on the conditioning status of the ESM (121). Further, at step (402), the EMM (112) may be dispensing the conditioning fluid for conditioning the ESM (121), based on the conditioning status of the ESM (121). Further, at step (403), the EMM (112) may be performing charge safety check and fluid conditioning check regularly while performing the charging process (400) of the ESM (121), and finally at step (404), the EMM (112) may be controlling the charge flow and the fluid flow, based on the charge safety check and the fluid conditioning check.
In one embodiment, the step (401) of providing the electric current to charge the ESM (121) may correspond to providing the electric current using C rating from one of, 4C, 3C, 2C and 1C, based on the conditioning status of the ESM (121).
Further, the step (403) of performing charge safety check may correspond to monitoring parameters, such as, voltage, current, electric current leaks, and SOC of electric charge, with respect to one or more predefined thresholds. Further, the step (403) of performing fluid conditioning check may correspond to monitoring temperature and flow rate of the conditioning fluid with respect to one or more predefined fluid conditioning thresholds.
Now referring to figure 5, the method (500) of performing the post-charging validation process, by the EMM (112) is illustrated, in accordance with an embodiment of the present subject matter. The method (500) may comprise following steps: at step (501), the EMM (112) may be monitoring charge stopping events. Further, at step (502), the EMM (112) may be determining a sequence of stopping one of, the electric charge and the conditioning fluid, and a combination thereof, based on comparing the ambient temperature of the ESM (121) with the operational temperature of the ESM (121).
In one embodiment, the charge stopping events may correspond to one of, charging completion of the ESM (121), completion of SOC of the ESM (121) to a requisite level, failure event trigger, user intervention of charge stopping, and a combination thereof. In another embodiment, determining (502) the sequence of stopping one of, the electric charge and the conditioning fluid, and a combination thereof, may be performed based on occurrence of any fault, after mating the charging gun (114) to the ESM (121), during charging, and a combination thereof.
Now referring to figure 6, the method (600) for performing the charge completion process, by the EMM (112) is illustrated, in accordance with an embodiment of the present subject matter. In one embodiment, the method (600) may comprise following steps: at step (601), the EMM (112) may be detecting the operational temperature of the ESM (121). Further, at step (602), the EMM (112) may be removing the conditioning fluid from the ESM (121) based on the operational temperature of the ESM (121). Further, at step (603), the EMM (112) may be closing all valves of the fluid circuit at the charging station (110). Further, at step (604), the EMM (112) may be switching off the current flow, and finally at step (605), the EMM (112) may be disengaging lock of the charging gun (114) with the charging socket (122) of the ESM (121).
In one embodiment, the removing (602) of the conditioning fluid from the ESM (121), may correspond to transferring the conditioning fluid from the ESM (121) back to one or more fluid reservoirs at the charging station (110).
In another embodiment, the disengaging (605) lock of the charging gun (114) may take place on the occurrence of one of, charging completion of the ESM (121), completion of SOC of the ESM (121) to a requisite level, on human intervention, on occurrence of failure, and a combination thereof.
The embodiments illustrated above, especially related to the process of charging an energy storage system provide following advantages:
• Completely automated process of conditioning and charging.
• Reducing failure rate of the charging system starting from connector pre-mating to the completion of the charging.
• Optimizing operational parameters continuously according to the SoC of the energy storage.
• A user can modify the conditioning process according to his/her requirement.
• Minimal loss of energy.
• Conditioning can be performed even at high current level thus reducing time required for conditioning.
• Safety at high current operation is ensured thus ensuring higher conditioning speed.
• Checking validation of pre- mating and post- mating processes ensure maximum safety for the user and optimize the conditioning operation.
• Validation of the charging process and system at multiple stages leads to providing robust charging infrastructure for fast charging of the electric vehicle.

Various modifications to the embodiment will be readily apparent to those skilled in the art and the generic principles herein may be applied to other embodiments. However, one of ordinary skill in the art will readily recognize that the present disclosure is not intended to be limited to the embodiments illustrated but is to be accorded the widest scope consistent with the principles and features described herein.
The foregoing description shall be interpreted as illustrative and not in any limiting sense. A person of ordinary skill in the art would understand that certain modifications could come within the scope of this disclosure.
The embodiments, examples and alternatives of the preceding paragraphs or the description and drawings, including any of their various aspects or respective individual features, may be taken independently or in any combination. Features described in connection with one embodiment are applicable to all embodiments unless such features are incompatible.

,CLAIMS:WE CLAIM:
1. A method for charging of an energy storage module (ESM) (121), by an energy management module (EMM) (112) of a charging station (110), characterized in that, the method comprising:
performing, by the EMM (112), a pre-connector mating validation process (200),
performing, by the EMM (112), a post-connector mating validation process (300) before charging begins,
performing, by the EMM (112), a charging process (400) of the ESM (121),
performing, by the EMM (112), a post-charging validation process (500), and
performing, by the EMM (112), a charge completion process (600).
2. The method as claimed in claim 1, wherein performing the pre-connector mating validation process (200), by the EMM (112), comprising:
performing (201) safety electrical checking of a set of electronic modules using a charge conditioning module (CCM) (111),
performing (202) safety checking of a fluid circuit using a temperature conditioning module (TCM) (113),
performing (203) conditioning check of conditioning fluid using the TCM (113),
performing (204) safety checking of electrical or other subcomponents of a charging gun (114), and
monitoring (205) a signal to detect mating of the charging gun (114) with a charging socket (122) of the ESM (121).
3. The method as claimed in claim 2, wherein performing (201) safety electrical checking using the CCM (111) corresponds to checking, controlling, correcting problem related to health of an electric charge, from one of, an under voltage condition, an over voltage condition, phase loss, phase reversal, phase-phase voltage variation, under current, over current, a leakage current, charger health, charger readiness status, device failure, voltage failure, a fault in the set of rectifiers, rectifier readiness, a comprehensive health status and a combination thereof.
4. The method as claimed in claim 2, wherein performing (202) safety checking using the TCM (113) corresponds to checking, controlling, correcting problem related to health of the fluid circuit, from one of, a status of fluid pump, a fluid level, fluid leakage, a status of solenoids, a heat exchanger readiness status and a combination thereof.
5. The method as claimed in claim 2, wherein performing (203) conditioning check of conditioning fluid using the TCM (113) corresponds to checking, controlling, correcting problem related to, one of, fluid temperature, fluid viscosity and a combination thereof.
6. The method as claimed in claim 2, wherein performing (204) safety checking of electrical or other subcomponents of the charging gun (114) corresponds to checking connection and/or faults related to one of, connection signal, electrical signal, insulation monitoring signal, sub-component faults, conductor temperature and a combination thereof.
7. The method as claimed in claim 1, wherein performing the post-connector mating validation process (300) before charging begins, by the EMM (112), comprising:
performing (301) mating check of the charging gun (114) with the charging socket (122) of the ESM (121),
performing (302) an authentication check of the ESM (121),
receiving (303) conditioning status of the ESM (121),
performing (304) impedance check of a charging circuit at the charging station (110),
performing (305) fluid leak check of the fluid circuit at the charging station (110),
processing (306) current rating, fluid flow rating at the charging station (110) based on the conditioning status of the ESM (121), and
determining (307) a sequence of starting one of, the electric charge and the conditioning fluid, and a combination thereof, based on comparing an ambient temperature of the ESM (121) with an operational temperature of the ESM (121).
8. The method as claimed in claim 7, wherein performing (302) authentication check of the ESM (121) corresponds to checking compatibility of the ESM (121) with the charging station (110).
9. The method as claimed in claim 8, wherein compatibility of the ESM (121) corresponds to capability of the ESM (121) to charge at a required current level.
10. The method as claimed in claim 7, wherein the authentication check of the ESM (121) is performed with a Battery Management System (BMS) of the ESM (121).
11. The method as claimed in claim 7, wherein the conditioning status of the ESM (121) corresponds to one of, voltage, current, capacity, chemistry, temperature, state of charge (SOC), fault status, ability of power lines to carry charge, power line failure status, and a combination thereof.
12. The method as claimed in claim 7, wherein processing (306) current rating comprises reducing current rating, increasing current rating, starting the current, stopping the current, and a combination thereof.
13. The method as claimed in claim 7, wherein processing (306) fluid flow rating comprises increasing fluid flow rating, decreasing fluid flow rating, conditioning the fluid temperature, stopping the fluid flow, starting the fluid flow, and a combination thereof.
14. The method as claimed in claim 13, wherein conditioning the fluid temperature comprises, one of, cooling the fluid, heating the fluid, and a combination thereof.
15. The method as claimed in claim 1, wherein performing the charging process (400) of the ESM (121), by the EMM (112), comprising:
providing (401) the electric current to charge the ESM (121), based on the conditioning status of the ESM (121),
dispensing (402) the conditioning fluid to conditioning the ESM (121), based on the conditioning status of the ESM (121),
performing (403) charge safety check and fluid conditioning check regularly while performing the charging process (400) of the ESM (121), and
controlling (404) charge flow and fluid flow, based on the charge safety check and the fluid conditioning check.
16. The method as claimed in claim 15, wherein providing (401) the electric current to charge the ESM (121) corresponds to providing the electric current using C rating from one of, 4C, 3C, 2C and 1C, based on the conditioning status of the ESM (121).
17. The method as claimed in claim 15, wherein performing (403) charge safety check corresponds to monitoring parameters, such as, voltage, current, electric current leaks, and SOC of electric charge, with respect to one or more predefined thresholds.
18. The method as claimed in claim 15, wherein performing (403) fluid conditioning check corresponds to monitoring temperature and flow rate of the conditioning fluid with respect to one or more predefined fluid conditioning thresholds.
19. The method as claimed in claim 1, wherein performing the post-charging validation process (500), by the EMM (112), comprising:
Monitoring (501) charge stopping events, and
Determining (502) a sequence of stopping one of, the electric charge and the conditioning fluid, and a combination thereof, based on comparing the ambient temperature of the ESM (121) with the operational temperature of the ESM (121).
20. The method as claimed in claim 19, wherein charge stopping events corresponds to one of, charging completion of the ESM (121), completion of SOC of the ESM (121) to a requisite level, failure event trigger, user intervention of charge stopping, and a combination thereof.
21. The method as claimed in claim 19, wherein the EMM (112) is configured to determine (502) the sequence of stopping one of, the electric charge and the conditioning fluid, and a combination thereof, based on occurrence of any fault, after mating the charging gun (114) to the ESM (121), during charging, and a combination thereof.
22. The method as claimed in claim 1, wherein performing the charge completion process (600), by the EMM (112) comprising:
detecting (601) the operational temperature of the ESM (121),
removing (602) the conditioning fluid from the ESM (121) based on the operational temperature of the ESM (121),
closing (603) all valves of the fluid circuit at the charging station (110),
switching off (604) the current flow, and
disengaging (605) lock of the charging gun (114) with the charging socket (122) of the ESM (121).
23. The method as claimed in claim 22, wherein removing (602) the conditioning fluid from the ESM (121) corresponds to transferring the conditioning fluid from the ESM (121) back to one or more fluid reservoirs at the charging station (110).
24. The method as claimed in claim 22, wherein disengaging (605) lock of the charging gun (114) is performed on occurrence of one of, charging completion of the ESM (121), completion of SOC of the ESM (121) to a requisite level, on human intervention, on occurrence of failure, and a combination thereof.
25. A system (100) of a charging station (110), for charging of an energy storage module (ESM) (121), characterized in that, the system (100) comprises:
a power supply unit for supplying an electric charge,
a fluid supply unit for communicating conditioning fluid,
a charging gun (114) for communicating, the electric charge and the conditioning fluid, with the ESM (121), wherein the ESM (121) is placed external to the system (100),
a charge conditioning module (CCM) (111) for conditioning the power supply unit,
a temperature conditioning module (TCM) (113) for conditioning the fluid supply unit, and
an energy management module (EMM) (112) configured to control one of, the CCM (111), the TCM (113), the charging gun (114), the ESM (121) and a combination thereof, for charging the ESM (121).
26. The system (100) as claimed in claim 25, wherein the fluid supply unit comprises one or more reservoirs for storing the conditioning fluid and a fluid circuit.
27. The system (100) as claimed in claim 26, wherein the fluid circuit comprises a heat exchanger, one or more pumps, a fluid level sensor, a fluid temperature sensor, one or more fluid valves for switching flow of the conditioning fluid, a plurality of fluid hoses and a plurality of junctions.
28. The system (100) as claimed in claim 27, wherein the heat exchanger is configured for conditioning the conditioning fluid, wherein conditioning the conditioning fluid corresponds to heating the conditioning fluid or cooling the conditioning fluid.
29. The system (100) as claimed in claim 27, wherein the one or more pumps corresponds to one of, a primary pump, a suction pump, an air pump and a combination thereof, wherein the primary pump is configured to deliver the conditioning fluid to the ESM (121), wherein the suction pump is configured to receive the conditioning fluid from the ESM (121), wherein the air pump is configured to deliver compressed air flow to one of, the ESM (121), the fluid circuit, and a combination thereof.
30. The system (100) as claimed in claim 27, wherein the one or more pumps corresponds to one or more primary pumps, wherein a first pump from the one or more primary pumps is configured to pump hot conditioning fluid and a second pump from the one or more primary pumps is configured to pump cold conditioning fluid.
31. The system (100) as claimed in claim 27, wherein the one or more pumps corresponds to a single pump configured to perform, one of, delivering the conditioning fluid to the ESM (121), sucking the conditioning fluid from the ESM (121), providing the compressed air flow, and a combination thereof.
32. The system (100) as claimed in claim 26, wherein the one or more reservoirs correspond to, a single reservoir for storing the conditioning fluid.
33. The system (100) as claimed in claim 26, wherein a first reservoir from the one or more reservoirs, corresponds to store hot conditioning fluid and a second reservoir from the one or more reservoirs, corresponds to store cold conditioning fluid.
34. The system (100) as claimed in claim 27 and 33, wherein the one or more pumps corresponds to a single pump configured to pump both hot conditioning fluid from the first reservoir and/or cold conditioning fluid from the second reservoir.
35. The system (100) as claimed in claim 25, wherein the power supply unit comprises one or more power input units, one or more power converters, one or more power storage units, a charger, and a set of electronic modules.
36. The system (100) as claimed in claim 35, wherein the set of electronic modules comprises a surge protection device, a tunable Earth Leakage measurement module, a tunable voltage monitoring relay, and a set of rectifiers.
37. The system (100) as claimed in claim 35, wherein the one or more power input units correspond to receive power from one or more power grids, wherein the one or more power grids correspond to one of, Direct current (DC) power grids, Alternating current (AC) power grids, and a combination thereof, wherein the power corresponds to either the AC power or the DC power.
38. The system (100) as claimed in claim 35, wherein the one or more power converters correspond to one of, AC-to-AC converter, AC-to-DC converter, DC-to-DC converters, DC-to-AC converter, step down converter, step up converter, and a combination thereof.
39. The system (100) as claimed in claim 35, wherein the one or more power storage units are configured to store electric current, used for charging the ESM (121).
40. The system (100) as claimed in claim 35, wherein the charger is configured to transfer electric current to ESM (121).
41. The system (100) as claimed in claim 25, wherein the charging gun (114) comprises:
one or more power pins configured to connect with power lines of the CCM (111);
one or more communication (signal) pins configured to connect to the EMM (112), and
one or more fluid conduits, to connect with the TCM (113), wherein one fluid conduit is configured for inflow of the conditioning fluid to the fluid supply unit, wherein another fluid conduit is configured for outflow of the conditioning fluid from the fluid supply unit.
42. The system (100) as claimed in claim 25, wherein controlling the CCM (111) by the EMM (112) corresponds to one of, performing safety checks, conditioning, and controlling of current rating, voltage condition, phase status, health of electric charge, faults on the set of electronic modules, checking impedance of the charging circuit, current leakage, charger health, charger readiness status, charge-fluid sequence, reducing charge rate, increasing charge rate, start charging, stop charging and a combination thereof.
43. The system (100) as claimed in claim 25, wherein controlling the TCM (113) by the EMM (112) corresponds to one of, performing safety checks of the fluid circuit, conditioning of the fluid circuit, and controlling of the fluid circuit, controlling fluid flow rate, fluid temperature, fluid conditioning, cooling fluid, heating fluid, fluid viscosity, fluid-charge sequence, status of fluid pump, fluid level, fluid leakage, faults on a set of fluid circuit, fluid flow starting, fluid flow stop, opening fluid valves, closing fluid valves, fluid-charge sequence, a heat exchanger readiness status and a combination thereof.
44. The system (100) as claimed in claim 25, wherein controlling the charging gun (114) by the EMM (112) corresponds to one of, performing safety checking of electrical or other subcomponents of the charging gun (114), connection signal, mating of the charging gun (114) with a charging socket (122) of the ESM (121), checking electrical signal, insulation monitoring signal, sub-component faults, conductor temperature, locking the charging gun (114) to a charging socket (122) of the ESM (121), disengaging the charging gun (114) and a combination thereof.
45. The system (100) as claimed in claim 25, wherein controlling the ESM (121) by the EMM (112) corresponds to one of, performing authentication check of the ESM (121), receiving conditioning status of the ESM (121), checking voltage, checking current capacity, checking chemistry, checking operational temperature, checking ambient temperature, checking state of charge (SOC), fault status, ability of power lines to carry charge, power line failure status, checking ESM (121) compatibility, connecting with Battery Management System (BMS), providing electric current for charging the ESM (121), providing conditioning fluid for conditioning the ESM (121), sucking of conditioning fluid from the ESM (121), and a combination thereof.
Dated this 23rd day of June 2022

Priyank Gupta
Agent for the Applicant
IN/PA- 1454