DESC:CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] The present application is based on and claims priority from an Indian Provisional Application Number 202341039968 filed on 12-06-2023, the disclosure of which is hereby incorporated by reference herein.
BACKGROUND
Technical Field
[0002] The present disclosure relates to one or more battery packs, and more particularly to a system and method for handling one or more battery packs in electric vehicles.
Description of the Related Art
[0003] Electric Vehicle (EV) industry grew a lot due to fossil fuel demands and price hikes. Unlike IC engine vehicles, the electric vehicles use electric energy from a power source (E.g., a battery pack). In a conventional approach, automobile manufacturers made electric vehicles with a primary battery pack alone to distribute power to an entire vehicle. Since the electric vehicles include the primary battery pack alone, the size of the primary battery pack will be bigger which requires an immense space to accommodate. At the same time, the primary battery pack alone will not be able to distribute enough power to the electric vehicle. To reduce the size of the battery pack, and increase the capacity of the battery pack, the automobile manufacturers came up with an extra battery pack (a secondary battery pack).
[0004] In another conventional approach, the electric vehicle includes one or more switches to handle from the primary battery pack to the secondary battery pack. When handling from the primary battery pack to the secondary battery pack, there will be a surge in voltage and current which may lead to high voltage existence across switches. The high voltage across the switches will end up damaging the switches. So, the conventional approaches are not efficient to solve the above-mentioned problems.
[0005] Hence, there remains a need for an improvised system and method for handling one or more battery packs in electric vehicles and therefore addressing the aforementioned issues.
SUMMARY
[0006] Accordingly, embodiments herein disclose a system for handling one or more battery packs in an electric vehicle. The one or more battery packs include a first battery pack and a second battery pack. The first battery pack is configured to supply power to the electric vehicle until the first battery pack is discharged to a first predetermined level. The first battery pack includes a first controller. The first controller includes a first switch. The first switch includes a first charging switch and a first discharging switch. The first charging switch is electrically configured to charge the first battery pack. The first discharging switch is electrically configured to discharge the first battery pack. The second battery pack is configured to supply power to the electric vehicle until the second battery pack is discharged to a second predetermined level. The second battery pack includes a second controller. The second controller includes a second switch. The second switch includes a second charging switch and a second discharging switch. The second charging switch is electrically configured to charge the second battery pack. The second discharging switch is electrically configured to discharge the second battery pack. A third controller is configured to control the first switch of the first controller. The second switch of the second controller is configured to handle the supply of power to a load from either the first battery pack or the second battery pack. A fourth controller is electrically connected between the first battery pack and the second battery pack via the first switch of the first controller, and the second switch of the second controller respectively. The fourth controller is electrically connected to the load. The fourth controller is configured to perform power inversion operation and distribute inverted power to the load.
[0007] In one embodiment, the first charging switch, and the second charging switch are closed when charging the first battery pack and the second battery pack.
[0008] In another embodiment, the first discharging switch, and the second discharging switch are closed when discharging the first battery pack, and the second battery pack.
[0009] In yet another embodiment, the charging and discharging are performed simultaneously.
[0010] In yet another embodiment, the charging and discharging actions are performed independently.
[0011] In yet another embodiment, the first switch and the second switch include one or more electronic switches. The one or more electronic switches include a Metal Oxide Field Effect Transistor (MOSFET), a Field Effect Transistor (FET), and the like. The one or more electronic switches include a Gate terminal, a Drain terminal, and a Source terminal.
[0012] In yet another embodiment, the first predetermined level of the first battery pack and the second predetermined level of the second battery pack depends on one or more parameters of the first battery pack and the second battery pack. The one or more parameters of the first battery pack and the second battery pack include at least one of the capacity, output voltage, and voltage ratings of the first battery pack and the second battery pack.
[0013] In yet another embodiment, gate-to-source terminal voltage of the first switch and the gate-to-source terminal voltage of the second switch vary to handle power distribution to the load from either the first battery pack or the second battery pack. The gate-to-source terminal voltage of the first switch and the gate-to-source terminal voltage of the second switch vary by the first controller and the second controller respectively.
[0014] Accordingly, embodiments herein disclose a method of handling one or more battery packs in an electric vehicle. The one or more battery packs include a first battery pack and a second battery pack. The method includes the following steps: (a) providing, by the first battery pack, a predetermined operating voltage to a load; (b) switching from the first battery pack to the second battery pack when the first battery pack is discharged to a first predetermined level, (i) the first predetermined level varies based on capacity of the first battery pack and the second battery pack; (c) reducing, by a third controller, gate to source voltage of a first switch to a first voltage level (V1), (i) the first switch is positioned in a first controller, (ii) the first controller is positioned on the first battery pack; (d) increasing the resistance between the drain-to-source which decreases the current between the drain-to-source to a first current level (C1) when the gate-to-source voltage of the first switch is reduced to the first voltage level (V1) by the third controller, (e) increasing, by the third controller, the gate to source voltage of the second switch to a second voltage level (V1’), (i) the second switch is positioned in a second controller, (ii) the second controller is positioned on the second battery pack; (f) decreasing the resistance between the drain-to-source which increases current between the drain-to-source to a second current level (C1’) when the gate-to-source voltage of the second switch is increased to the second voltage level (V1’) by the third controller; (g) reducing, by the third controller, the gate to source voltage of the first switch to a third voltage level (V2); (h) increasing the resistance between the drain-to-source which decreases current between the drain-to-source to a third current level (C2) when the gate-to-source voltage of the first switch (106) is reduced to the third voltage level (V2) by the third controller; (i) increasing, by the third controller, the gate to source voltage of the second switch to a fourth voltage level (V2’); (j) decreasing the resistance between the drain-to-source which increases current between the drain-to-source to a fourth current level (C2’) when the gate-to-source voltage of the second switch (108) is increased to a fourth voltage level (V2’) by the third controller; (k) reducing, by the third controller, the gate to source voltage of the first switch to a fifth voltage level (V3) which is less than threshold voltage of the first switch; (l) increasing the resistance between the drain-to-source which decreases the current between the drain-to-source to a fifth current level (C3) when the gate-to-source voltage of the first switch 106 is reduced to a fifth voltage level (V3) by the third controller; (m) increasing, by the third controller, the gate to source voltage of the second switch to a sixth voltage level (V3’); and (n) decreasing the resistance between the drain-to-source which increases the current between the drain-to-source to a sixth current level (C3’) when the gate-to-source voltage of the second switch 108 is increased to the sixth voltage level (V3’) by the third controller.
[0015] These and other aspects of the embodiments herein will be better appreciated and understood when considered in conjunction with the following description and the accompanying drawings. It should be understood, however, that the following descriptions, while indicating preferred embodiments and numerous specific details thereof, are given by way of illustration and not of limitation. Many changes and modifications may be made within the scope of the embodiments herein without departing from the invention thereof, and the embodiments herein include all such modifications.
BRIEF DESCRIPTION OF DRAWINGS
[0016] The embodiments herein will be better understood from the following detailed description with reference to the drawings, in which:
[0017] FIG. 1 illustrates a system for handling one or more battery packs in electric vehicles according to an embodiment herein; and
[0018] FIG. 2A&2B illustrates a method of handling one or more battery packs in the electric vehicles according to an embodiment herein.
[0019] It may be noted that to the extent possible, like reference numerals have been used to represent like elements in the drawing. Further, those of ordinary skill in the art will appreciate that elements in the drawing are illustrated for simplicity and may not have been necessarily drawn to scale. For example, the dimension of some of the elements in the drawing may be exaggerated relative to other elements to help to improve the understanding of aspects of the invention. Furthermore, the elements may have been represented in the drawing by conventional symbols, and the drawings may show only those specific details that are pertinent to the understanding the embodiments of the invention so as not to obscure the drawing with details that will be readily apparent to those of ordinary skill in the art having benefit of the description herein.

DETAILED DESCRIPTION OF INVENTION
[0020] In the following description, for the purposes of explanation, various specific details are set forth in order to provide a thorough understanding of embodiments of the present disclosure. It will be apparent, however, that embodiments of the present disclosure may be practiced without these specific details. Several features described hereafter can each be used independently of one another or with any combination of other features. An individual feature may not address all of the problems discussed above or might address only some of the problems discussed above. Some of the problems discussed above might not be fully addressed by any of the features described herein.
[0021] The ensuing description provides exemplary embodiments only and is not intended to limit the scope, applicability, or configuration of the disclosure. Rather, the ensuing description of the exemplary embodiments will provide those skilled in the art with an enabling description for implementing an exemplary embodiment. It should be understood that various changes may be made in the function and arrangement of elements without departing from the spirit and scope of the disclosure as set forth.
[0022] The word “exemplary” and/or “demonstrative” is used herein to mean serving as an example, instance, or illustration. For the avoidance of doubt, the subject matter disclosed herein is not limited by such examples. In addition, any aspect or design described herein as “exemplary” and/or “demonstrative” is not necessarily to be construed as preferred or advantageous over other aspects or designs, nor is it meant to preclude equivalent exemplary structures and techniques known to those of ordinary skill in the art. Furthermore, to the extent that the terms “includes,” “has,” “contains,” and other similar words are used in either the detailed description or the claims, such terms are intended to be inclusive—in a manner similar to the term “comprising” as an open transition word—without precluding any additional or other elements.
[0023] Reference throughout this specification to “one embodiment” or “an embodiment” or “an instance” or “one instance” means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present disclosure. Thus, the appearances of the phrases “in one embodiment” or “in an embodiment” in various places throughout this 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.
[0024] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.
[0025] The accompanying drawings are used to help easily understand various technical features and it should be understood that the embodiments presented herein are not limited by the accompanying drawings. As such, the present disclosure should be construed to extend to any alterations, equivalents and substitutes in addition to those which are particularly set out in the accompanying drawings. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are generally only used to distinguish one element from another.
[0026] Accordingly, embodiments herein disclose a system for handling one or more battery packs in an electric vehicle. The one or more battery packs include a first battery pack and a second battery pack. The first battery pack is configured to supply power to the electric vehicle until the first battery pack is discharged to a first predetermined level. The first battery pack includes a first controller. The first controller includes a first switch. The first switch includes a first charging switch and a first discharging switch. The first charging switch is electrically configured to charge the first battery pack. The first discharging switch is electrically configured to discharge the first battery pack.
[0027] The second battery pack is configured to supply power to the electric vehicle until the second battery pack is discharged to a second predetermined level. The second battery pack includes a second controller. The second controller includes a second switch. The second switch includes a second charging switch and a second discharging switch. The second charging switch is electrically configured to charge the second battery pack. The second discharging switch is electrically configured to discharge the second battery pack. A third controller is configured to control the first switch of the first controller. The second switch of the second controller is configured to handle the supply of power to a load from either the first battery pack or the second battery pack. A fourth controller is electrically connected between the first battery pack and the second battery pack via the first switch of the first controller, and the second switch of the second controller respectively. The fourth controller is electrically connected to the load. The fourth controller is configured to perform power inversion operation and distribute inverted power to the load.
[0028] Referring now to the drawings and more particularly to FIGS. 1 to 2, where similar reference characters denote corresponding features consistently throughout the figure, these are shown as preferred embodiments.
[0029] FIG. 1 illustrates a system 100 for handling one or more battery packs 101 in electric vehicles according to an embodiment herein. The system 100 includes a first battery pack 102 and a second battery pack 104, a first controller 103, a second controller 105, a first switch 106, a second switch 108, a third controller (not shown in the figure), a fourth controller 110, and a load 112 (e.g., a motor). In one embodiment, the first battery pack 102 may be a primary battery pack, and the second battery pack 104 may be a secondary battery pack. In another embodiment, the capacity of the first battery pack 102 is higher than the second battery pack 104. In yet another embodiment, the capacity of the first battery pack 102 is equal to the second battery pack 104. In yet another embodiment, the capacity of the first battery pack 102 is less than the second battery pack 104.
[0030] The first battery pack 102 is configured to supply power to the electric vehicle until the first battery pack 102 is discharged to a first predetermined level. In an embodiment, the first predetermined level may be varied based on the capacity of the first battery pack 102. In an embodiment, the first battery pack 102 includes the first controller 103. The first controller 103 includes a first switch 106. The first switch 106 includes a first charging switch 114 and a first discharging switch 116. The first charging switch 114 is electrically configured to charge the first battery pack 102. The first discharging switch 116 is electrically configured to discharge the first battery pack 102. In yet another embodiment, the first controller 103 may be the first battery management system (BMS).
[0031] The second battery pack 104 is configured to supply power to the electric vehicle until the second battery pack 104 is discharged to a second predetermined level. In an embodiment, the second predetermined level may be varied based on the capacity of the second battery pack 104. In an embodiment, the second battery pack 104 includes a second controller 105. The second controller 105 includes a second switch 108. The second switch 108 includes a second charging switch 118 and a second discharging switch 120. The second charging switch is electrically configured to charge the second battery pack 104. The second discharging switch is electrically configured to discharge the second battery pack 104. In yet another embodiment, the second controller 105 may be a second Battery Management System (BMS). In yet another embodiment, the first switch 106 and the second switch 108 will be positioned inside the first controller 103, and the second controller 105 respectively.
[0032] The system 100 further includes a third controller. In one embodiment, the third controller includes, but not limited to, a vehicle control module (not shown in the figure). The third controller is configured to control the first controller 103 and the second controller 105. In one embodiment, the third controller is configured to control the first switch 106 of the first controller 103, and the second switch 108 of the second controller 105 to handle the supply of power to the load 112 from either the first battery pack 102 or the second battery pack 104.
[0033] The first switch 106 further includes the first charging switch 114 and the first discharging switch 116. The second switch 108 includes the second charging switch 118 and the second discharging switch 120.
[0034] In the electric vehicle, the first battery pack 102 and the second battery pack 104 are connected to the fourth controller 110 via the first switch 106 of the first controller 103, and the second switch 108 of the second controller 105 respectively. The fourth controller 110 is electrically connected to the load 112. The fourth controller 110 is configured to perform power inversion operation and distribute inverted power to the load 112. In an embodiment, the power inversion operation is performed to convert a Direct Current (DC) to an Alternate Current (AC) due to the requirement of the load 112 when the load 112 is operated on the AC. In one embodiment, the load 112 may be a motor. In another embodiment, the motor may include an Induction motor, a Permanent Magnet Synchronous Motor (PMSM), a Brushless DC motor (BLDC), and the like. In yet another embodiment, the type of motor depends on the torque and speed requirement of the electric vehicle. In yet another embodiment, the fourth controller 110 may be a motor controller and the like.
[0035] Furthermore, the first charging switch 114 and the second charging switch 118 are electrically configured to charge the first battery pack 102, and the second battery pack 104 respectively. The first discharging switch 116 and the second discharging switch 120 are electrically configured to discharge the first battery pack 102, and the second battery pack 104 respectively by distributing power to the load 112.
[0036] While charging the first battery pack 102, and the second battery pack 104, the first charging switch 114 of the first switch 106, and the second charging switch 118 of the second switch 108 are closed. Charging operation takes place with the help of (i) a charger, (ii) a regenerative electric energy from the motor, or (iii) a regenerative braking mechanism. While discharging the first battery pack 102, and the second battery pack 104, the first discharging switch 116, and the second discharging switch 120 are closed. The discharging operation takes place by distributing power to the load 112 either from the first battery 102, or the second battery pack 104. In one embodiment, the charging and discharging actions may be performed simultaneously. In another embodiment, the charging and discharging actions may be performed independently.
[0037] In another embodiment, the first switch 106 and the second switch 108 include one or more electronic switches. In yet another embodiment, the one or more electronic switches include a Metal Oxide Field Effect Transistor (MOSFET), Field Effect Transistor (FET), and the like. The one or more electronic switches include a Gate terminal, a Drain terminal, and a Source terminal.
[0038] When the first battery pack 102 is drained below a first predetermined level, then there is a need to handle power distribution to the load 112 either from the first battery pack 102 and/or the second battery pack 104 to meet the voltage requirement of the load 112.
[0039] The first predetermined level of the first battery pack 102 and the second predetermined level of the second battery pack 104 depend on one or more parameters of the first battery pack 102 and the second battery pack 104. In one embodiment, the one or more parameters of the first battery pack 102 and the second battery pack 104 include, but not limited to, power, temperature level, identification and availability of gases, voltage and current level of each individual cell and the plurality of cells, defect in each individual cell, and defect in the plurality of cells. The one or more parameters of the first battery pack 102 and the second battery pack 104 include at least one of the capacity, output voltage, and voltage ratings of the first battery pack 102 and the second battery pack 104.
[0040] Gate-to-source terminal voltage of the first switch 106 and gate-to-source terminal voltage of the second switch 108 will be varied to handle the power distribution to the load 112 from either the first battery pack 102 and/or the second battery pack 104. The gate-to-source terminal voltage of the first switch 106 and the gate-to-source terminal voltage of the second switch 108 will be varied by the first controller 103 and the second controller 105 respectively. The vehicle control module controls the first controller 103, and the second controller 105 handles the power distribution to the load 112 from either the first battery pack 102 and/or the second battery pack 104.
[0041] FIG. 2A&2B illustrate a method 200 of handling one or more battery packs 101 in the electric vehicles according to an embodiment herein. The one or more battery packs 101 include, but not limited to, a first battery pack 102 and a second battery pack 104.
[0042] In step 202, providing a predetermined operating voltage to a load 112 by the first battery pack 102. In one embodiment, the predetermined operating voltage may vary based on capacity of the one or more battery packs 101.
[0043] In step 204, switching operation takes place from the first battery pack 102 to the second battery pack 104 when the first battery pack 102 is discharged to a first predetermined level. In one embodiment, the first predetermined level may be varied based on the capacity of the first battery pack 102, and the second battery pack 104.
[0044] In step 206, reducing the gate-to-source voltage of a first switch 106 to a first voltage level (V1) by a third controller. The first switch 106 is positioned in the first controller 103. The first controller 103 is positioned on the first battery pack 102.
[0045] In one embodiment, the third controller includes, but not limited to, a vehicle control module (not shown in the figure). The third controller is configured to control a first controller 103 and a second controller 105. In one embodiment, the third controller is configured to control the first switch 106 of the first controller 103, and the second switch 108 of the second controller 105 to handle the supply of power to a load 112 from either the first battery pack 102 or the second battery pack 104.
[0046] A gate-to-source terminal voltage of the first switch 106 and a gate-to-source terminal voltage of the second switch 108 will be varied to handle the power distribution to the load 112 from either the first battery pack 102 and/or the second battery pack 104. The gate-to-source terminal voltage of the first switch 106 and the gate-to-source terminal voltage of the second switch 108 will be varied by the first controller 103 and the second controller 105 respectively. The vehicle control module controls the first controller 103, and the second controller 105 handles the power distribution to the load 112 from either the first battery pack 102 and/or the second battery pack 104.
[0047] In step 208, increasing the resistance between the drain-to-source which decreases the current between the drain-to-source to a first current level (C1) when the gate-to-source voltage of the first switch 106 is reduced to the first voltage level (V1) by the third controller.
[0048] In step 210, increasing the gate-to-source voltage of the second switch 108 to a second voltage level (V1’) by the third controller. The second switch 108 is positioned in a second controller 105. The second controller 105 is positioned on the second battery pack 104.
[0049] In step 212, decreasing the resistance between the drain-to-source which increases current between the drain-to-source current to a second current level (C1’) when the gate-to-source voltage of the second switch 108 is increased to the second voltage level (V1’) by the third controller.
[0050] In step 214, reducing the gate-to-source voltage of the first switch 106 to a third voltage level (V2) by the third controller.
[0051] In step 216, increasing the resistance between the drain-to-source which decreases the current between the drain-to-source current to a third current level (C2) when the gate-to-source voltage of the first switch 106 is reduced to the third voltage level (V2) by the third controller.
[0052] In step 218, increasing the gate-to-source voltage of the second switch 108 to a fourth voltage level (V2’) by the third controller.
[0053] In step 220, decreasing the resistance between the drain-to-source which increases the current between the drain-to-source current to a fourth current level (C2’) when the gate-to-source voltage of the second switch 108 is increased to the fourth voltage level (V2’) by the third controller.
[0054] In step 222, reducing the gate-to-source voltage of the first switch 106 to a fifth voltage level (V3) which is less than the threshold voltage of the first `switch 106 by the third controller.
[0055] In step 224, increasing the resistance between the drain-to-source which decreases the current between the drain-to-source to a fifth current level (C3) when the gate-to-source voltage of the first switch 106 is reduced to the fifth voltage level (V3) by the third controller.
[0056] In step 226, increasing the gate-to-source voltage of the second switch 108 to a sixth voltage level (V3’) by the third controller.
[0057] In step 228, decreasing the resistance between the drain-to-source which increases the current between the drain-to-source to a sixth current level (C3’) when the gate-to-source voltage of the second switch 108 is increased to the sixth voltage level (V3’) by the third controller.
[0058] In this way, the proposed approach allows smooth transfer of power distribution from the first battery pack 102 or the second battery pack 104 by reducing current flow completely to zero when the first switch 106 is in ON condition. So that there is no surge in voltage and current which may lead to high voltage existence across the first switch 106, and the second switch 108. The proposed approach will allow the third controller to regulate (increase/decrease) gate-to-source voltage in a different number of steps. The number of steps may be varied based on the capacity of the battery packs. The proposed approach will apply to the system which includes more than two battery packs.
[0059] Improvements and modifications may be incorporated herein without deviating from the scope of the invention. The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the appended claims.

LIST OF REFERENCE NUMERALS

100: System to handle one or more battery packs
101: One or more battery packs
102: First battery pack
103: First controller
104: Second battery pack
105: Second controller
106: First switch
108: Second switch
110: Fourth controller
112: Load
114: First charging switch
116: First discharging switch
118: Second charging switch
120: Second discharging switch
,CLAIMS:CLAIMS
I/We claim:
1. A system (100) to handle one or more battery packs (101) in an electric vehicle, comprising:
the one or more battery packs (101):
a first battery pack (102) is configured to supply power to the electric vehicle until the first battery pack (102) is discharged to a first predetermined level, wherein the first battery pack (102) comprises a first controller (103), wherein the first controller (103) comprises a first switch (106), wherein the first switch (106) comprises a first charging switch (114) and a first discharging switch (116), wherein the first charging switch (114) is electrically configured to charge the first battery pack (102), wherein the first discharging switch (116) is electrically configured to discharge the first battery pack (102); and
a second battery pack (104) is configured to supply power to the electric vehicle until the second battery pack (104) is discharged to a second predetermined level, wherein the second battery pack (104) comprises a second controller (105), wherein the second controller (105) comprises a second switch (108), wherein the second switch (108) comprises a second charging switch (118) and a second discharging switch (120), wherein the second charging switch (118) is electrically configured to charge the second battery pack (104), wherein the second discharging switch (120) is electrically configured to discharge the second battery pack (104); and
a third controller is configured to control the first switch (106) of the first controller (103), and the second switch (108) of the second controller (105) to handle the supply of power to a load (112) from either the first battery pack (102) or the second battery pack (104).

2. The system (100) as claimed in claim 1, wherein the first charging switch (114), and the second charging switch (118) are closed when charging the first battery pack (102), and the second battery pack (104).


3. The system (100) as claimed in claim 1, wherein the first discharging switch (116), and the second discharging switch (120) are closed when discharging the first battery pack (102), and the second battery pack (104).

4. The system (100) as claimed in claim 1, wherein the charging and discharging of the first battery pack (102) and the second battery pack (104) are performed simultaneously.

5. The system (100) as claimed in claim 1, wherein the charging and discharging of the first battery pack (102) and the second battery pack (104) are performed independently.

6. The system (100) as claimed in claim 1, wherein the first switch (106) and the second switch (108) comprise one or more electronic switches, wherein the one or more electronic switches comprise a Metal Oxide Field Effect Transistor (MOSFET), a Field Effect Transistor (FET), wherein the one or more electronic switches comprise a Gate terminal, a Drain terminal, and a Source terminal.

7. The system (100) as claimed in claim 1, wherein the first predetermined level of the first battery pack (102) and the second predetermined level of the second battery pack (104) depends on one or more parameters of the first battery pack (102) and the second battery pack (104), wherein the one or more parameters of the first battery pack (102) and the second battery pack (104) comprise at least one of capacity, output voltage, and voltage rating of the first battery pack (102) and the second battery pack (104).

8. The system (100) as claimed in claim 1, wherein a gate-to-source terminal voltage of the first switch (106) and gate-to-source terminal voltage of the second switch (108) varies to handle power distribution to the load (112) from either the first battery pack (102) or the second battery pack (104), wherein the gate-to-source terminal voltage of the first switch (106) and the gate-to-source terminal voltage of the second switch (108) varies by the first controller (103), and the second controller (105) respectively.

9. A method (200) of handling one or more battery packs (101) in an electric vehicle, wherein the one or more battery packs (101) comprise a first battery pack (102), and a second battery pack (104), comprising:
providing, by the first battery pack (102), a predetermined operating voltage to a load (112);
switching from the first battery pack (102) to the second battery pack (104) when the first battery pack (102) is discharged to a first predetermined level, wherein the first predetermined level varies based on the capacity of the first battery pack (102), and the second battery pack (102);
reducing, by a third controller, gate to source voltage of a first switch (106) to a first voltage level (V1), wherein the first switch (106) is positioned in a first controller (103), wherein the first controller (103) is positioned on the first battery pack (102);
increasing the resistance between the drain-to-source which decreases the current between the drain-to-source to a first current level (C1) when the gate-to-source voltage of the first switch (106) is reduced to the first voltage level (V1) by the third controller;
increasing, by the third controller, the gate-to-source voltage of the second switch (108) to a second voltage level (V1’), wherein the second switch (108) is positioned in a second controller (105), wherein the second controller (105) is positioned on the second battery pack (104);
decreasing the resistance between the drain-to-source which increases the current between the drain-to-source to a second current level (C1’) when the gate-to-source voltage of the second switch (108) is increased to the second voltage level (V1’) by the third controller;
reducing, by the third controller, the gate-to-source voltage of the first switch (106) to a third voltage level (V2);
increasing the resistance between the drain-to-source which decreases the current between the drain-to-source to a third current level (C2) when the gate-to-source voltage of the first switch (106) is reduced to the third voltage level (V2) by the third controller;
increasing, by the third controller, the gate-to-source voltage of the second switch (108) to a fourth voltage level (V2’);
decreasing the resistance between the drain-to-source which increases the current between the drain-to-source to a fourth current level (C2’) when the gate-to-source voltage of the second switch (108) is increased to a fourth voltage level (V2’) by the third controller;
reducing, by the third controller, the gate-to-source voltage of the first switch (106) to a fifth voltage level (V3) which is less than the threshold voltage of the first switch 106;
increasing the resistance between the drain-to-source which decreases the current between the drain-to-source to a fifth current level (C3) when the gate-to-source voltage of the first switch 106 is reduced to a fifth voltage level (V3) by the third controller;
increasing, by the third controller, the gate-to-source voltage of the second switch to a sixth voltage level (V3’); and
decreasing the resistance between the drain-to-source which increases the current between the drain-to-source to a sixth current level (C3’) when the gate-to-source voltage of the second switch 108 is increased to the sixth voltage level (V3’) by the third controller.