TECHNICAL FIELD
[0001] The present disclosure relates to the field of energy meters. More
particularly the present disclosure related to a system for self-checking accuracy rate of the energy meter.
BACKGROUND
[0002] Background description includes information that may be useful in
understanding the present invention. It is not an admission that any of the
information provided herein is prior art or relevant to the presently claimed
invention, or that any publication specifically or implicitly referenced is prior art.
[0003] Conventionally, Energy meter is a device used for measurement &
recording energy consumed at various loads. This device is subjected for indoor & outdoor installation. It is in continuous operation through its life & is prone for abnormalities like high voltage, high current, Impulse/surge Voltages. The abnormalities are results for various factors some of the factors include variable temperature & humidity conditions, ageing of components/sensors/product of the energy meter. All these factors impact an accuracy of the energy meter in measuring the energy consumption.
[0004] There is, therefore, a need of an improved energy meter that can
self-check its measuring accuracy time to time to take necessary steps to avoid any false measuring of the energy consumption by the load.
OBJECTS OF THE PRESENT DISCLOSURE
[0005] Some of the objects of the present disclosure, which at least one
embodiment herein satisfies are as listed herein below.
[0006] It is an object of the present disclosure to provide a system for self-
checking accuracy rate of the energy meter.
[0007] It is an object of the present disclosure to provide a system for self-
checking accuracy rate of the energy meter which can check an error percentage in energy consumption reading provided by the energy meter.

[0008] It is an object of the present disclosure to provide a system for self-
checking accuracy rate of the energy meter which is cost effective.
[0009] It is an object of the present disclosure to provide a system for self-
checking accuracy rate of the energy meter which requires less maintenance.
SUMMARY
[0010] The present disclosure relates to the field of energy meters. More
particularly the present disclosure related to a system for self-checking accuracy rate of the energy meter.
[0011] An aspect of the present disclosure pertains to a system for
accuracy rate check of an energy meter. The system includes a first load removably coupled with load terminals of the energy meter, and the first load has a set of pre-defined attributes. A processing unit having a processor operatively configured with the first load and the energy meter, and configured to execute a set of instructions stored in a memory which on execution causes the processor to electrically couple, when the energy meter is in a first operating mode, the first load with the load terminals. Measure, for a pre-defined time period, a first energy consumption of the first load. Compare, the first energy consumption with a second energy consumption for checking the accuracy rate of the energy meter. The second energy consumption is calculated based on the set of pre-defined attributes for the pre-defined time period.
[0012] In an aspect, the set of pre-defined attributes may comprise a load
value. The system may comprise a second load operatively configured with the processing unit and the energy meter. The second load may be configured to be electrically coupled with the load terminals when the energy meter is in second operating mode. The first operating mode may be a test mode, and the second operating mode is normal operation mode. The system may comprise a display unit configured with the processing unit and the energy meter, and a comparison result between the first energy consumption and the second energy consumption is displayed on the display unit. The second load may have unknown load value.

[0013] Yet another aspect of the present disclosure pertains to a method
for checking accuracy rate of an energy meter. The method includes electrically coupling, by a processor, the first load having a set of pre-defined attributes with the load terminals when the energy meter is in a first operating mode. Measuring, by the processor, a first energy consumption of the first load for a pre-defined time period. Comparing, by the processor, the first energy consumption with a second energy consumption of the first load for checking the accuracy rate of the energy meter. The second energy consumption of the first load is calculated on the basis of the set of pre-defined attributes.
[0014] Various objects, features, aspects, and advantages of the inventive
subject matter will become more apparent from the following detailed description of preferred embodiments, along with the accompanying drawing figures in which like numerals represent like components.
BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings are included to provide a further
understanding of the present disclosure, and are incorporated in and constitute a part of this specification. The drawings illustrate exemplary embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure. The diagrams are for illustration only, which thus is not a limitation of the present disclosure.
[0016] In the figures, similar components and/or features may have the
same reference label. Further, various components of the same type may be distinguished by following the reference label with a second label that distinguishes among the similar components. If only the first reference label is used in the specification, the description is applicable to any one of the similar components having the same first reference label irrespective of the second reference label.
[0017] FIG. 1 illustrates an exemplary representation of a system for
accuracy rate check of an energy meter, in accordance with an embodiment of the present disclosure.

[0018] FIG. 2 illustrates exemplary representation of a processing unit of
the system for accuracy rate check of an energy meter, in accordance with an embodiment of the present disclosure.
[0019] FIG. 3 illustrates exemplary method for accuracy rate check of an
energy meter, in accordance with an embodiment of the present disclosure.
[0020] FIG. 4 illustrates an exemplary computer system in which or with
which embodiments of the present invention can be utilized, in accordance with embodiments of the present disclosure.
DETAILED DESCRIPTION
[0021] The following is a detailed description of embodiments of the
disclosure depicted in the accompanying drawings. The embodiments are in such detail as to clearly communicate the disclosure. However, the amount of detail offered is not intended to limit the anticipated variations of embodiments; on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the scope of the present disclosure as defined by the appended claims.
[0022] In the following description, numerous specific details are set forth
in order to provide a thorough understanding of embodiments of the present
invention. It will be apparent to one skilled in the art that embodiments of the
present invention may be practiced without some of these specific details.
[0023] The present disclosure relates to the field of energy meters. More
particularly the present disclosure related to a system for self-checking accuracy rate of the energy meter.
[0024] The present disclosure elaborates upon a system for accuracy rate
check of an energy meter. The system includes a first load removably coupled with load terminals of the energy meter, and the first load has a set of pre-defined attributes. A processing unit having a processor operatively configured with the first load and the energy meter, and configured to execute a set of instructions stored in a memory which on execution causes the processor to electrically couple, when the energy meter is in a first operating mode, the first load with the

load terminals. Measure, for a pre-defined time period, a first energy consumption of the first load. Compare, the first energy consumption with a second energy consumption for checking the accuracy rate of the energy meter. The second energy consumption is calculated based on the set of pre-defined attributes for the pre-defined time period.
[0025] In an embodiment, the set of pre-defined attributes can comprise a
load value.
[0026] In an embodiment, the system can comprise a second load
operatively configured with the processing unit and the energy meter. The second load can be configured to be electrically coupled with the load terminals when the energy meter is in second operating mode.
[0027] In an embodiment, the first operating mode can be a test mode, and
the second operating mode is normal operation mode.
[0028] In an embodiment, the system can comprise a display unit
configured with the processing unit and the energy meter, and a comparison result between the first energy consumption and the second energy consumption is displayed on the display unit.
[0029] In an embodiment, the second load can have unknown load value.
[0030] A method for checking accuracy rate of an energy meter. The
method includes electrically coupling, by a processor, the first load having a set of
pre-defined attributes with the load terminals when the energy meter is in a first
operating mode. Measuring, by the processor, a first energy consumption of the
first load for a pre-defined time period. Comparing, by the processor, the first
energy consumption with a second energy consumption of the first load for
checking the accuracy rate of the energy meter. The second energy consumption
of the first load is calculated on the basis of the set of pre-defined attributes.
[0031] In an embodiment, the method can comprise displaying, by the
processor, a comparison result between the first energy consumption and the second energy consumption on a display unit. The display unit is configured with the processing unit and the energy meter.

[0032] In an embodiment, the set of pre-defined attributes can comprise a
load value.
[0033] In an embodiment, first operating mode can comprise a test mode
and the second operating mode is normal operation mode.
[0034] FIG. 1 illustrates an exemplary representation of a system for
accuracy rate check of an energy meter, in accordance with an embodiment of the present disclosure.
[0035] FIG. 2 illustrates exemplary representation of a processing unit of
the system for accuracy rate check of an energy meter, in accordance with an embodiment of the present disclosure.
[0036] As illustrated, a system 100 for accuracy rate check of an energy
meter 102. The system 100 can include a first load 104 (can also be referred as a test load 102, herein) removably coupled with load terminals of the energy meter 102, and the first load 104 has a set of pre-defined attributes. The pre-defined attributes can include a known load value. A processing unit 106 having a processor 202 that can be operatively configured with the first load 104 and the energy meter 102. The first load 104 can be integrated inside the energy meter 102 or can also be a separate from the energy meter 102.
[0037] In an embodiment, module diagram 200 of the processing unit 106
can comprise one or more processor(s) 202. The one or more processor(s) 202 can be implemented as one or more microprocessors, microcomputers, microcontrollers, digital signal processors, central processing units, logic circuitries, and/or any devices that manipulate data based on operational instructions. Among other capabilities, the one or more processor(s) 202 are configured to fetch and execute computer-readable instructions stored in a memory 206 of the system 102. The memory 204 can store one or more computer-readable instructions or routines, which can be fetched and executed to create or share the data units over a network service. The memory 204 can comprise any non-transitory storage device including, for example, volatile memory such as RAM, or non-volatile memory such as EPROM, flash memory, and the like.

[0038] The processing unitl06 can also comprise an interface(s) 206. The
interface(s) 206 can comprise a variety of interfaces, for example, interfaces for data input and output devices, referred to as I/O devices, storage devices, and the like. The interface(s) 206 can facilitate communication of the processing unit 106 with the first system 100. The interface(s) 206 can also provide a communication pathway for one or more components of the system 102. Examples of such components include, but are not limited to, processing engine(s) 208 and data 210. For example,
[0039] The processing engine(s) 208 can be implemented as a
combination of hardware and programming (for example, programmable instructions) to implement one or more functionalities of the processing engine(s) 208. In examples described herein, such combinations of hardware and programming can be implemented in several different ways. For example, the programming for the processing engine(s) 208 can be processor executable instructions stored on a non-transitory machine-readable storage medium and the hardware for the processing engine(s) 208 can comprise a processing resource (for example, one or more processors), to execute such instructions. In the present examples, the machine-readable storage medium can store instructions that, when executed by the processing resource, implement the processing engine(s) 208. In such examples, the system 102 can comprise the machine-readable storage medium storing the instructions and the processing resource to execute the instructions, or the machine-readable storage medium can be separate but accessible to the processing unit 106 and the processing resource. In other examples, the processing engine(s) 208 can be implemented by electronic circuitry.
[0040] The data 210 can comprise data that is either stored or generated as
a result of functionalities implemented by any of the components of the processing engine(s) 208 or the system 102. The processor 202 can be configured to electrically couple the first load 104 with the load terminals when the energy meter 102 is in a first operating mode using a coupling module 212 and correspondingly generate a set of first signals. The first operating mode can be

referred as a testing or test mode. In response to the set of first signals, the energy meter 102 can be configured to measure, for a pre-defined time period, a first energy consumption of the first load 104.
[0041] In an embodiment, the processing unit can include a comparison
module 214 that can be configured to compare, the first energy consumption with
a second energy consumption for checking the accuracy rate of the energy meter
102. The second energy consumption can be a pre-defined value that can be
calculate based on the set of pre-defined attributes for the pre-defined time period.
[0042] In an embodiment, the processing unit can include a displaying
module 216 that can be configured to display a comparison result of the comparison between the first and second energy consumption values on a display unit 108 configured with the processing unit 106.
[0043] In an embodiment, the system 100 can include a second load 110
operatively configured with the processing unit and the energy meter. The second load 110 can be configured to be electrically coupled with the load terminals when the energy meter is in second operating mode. The second operating mode can be a normal operation mode. The second load can include but without limiting to any electrical load for which the energy meter 102 is installed to measure energy consumption of. The second load can be any electrical appliance whose load value is unknown to the system 100. An example of the second load can include household electrical appliances in a home. The processor 202 can perform changeover between first load 104 and the second load based on the working mode of the energy meter 102. The first energy consumption values can be stored in a database, that can be operatively configured with the processing unit 106, for future reference purposes.
[0044] FIG. 3 illustrates exemplary method for accuracy rate check of an
energy meter, in accordance with an embodiment of the present disclosure.
[0045] In an embodiment, at step 302, a method 300 for checking
accuracy rate of an energy meter, can include electrically coupling, by a processor 202, the first load having a set of pre-defined attributes with the load terminals when the energy meter is in a first operating mode.

[0046] At step 304, the method 300 can include measuring, by the
processor 202, a first energy consumption of the first load 104 for a pre-defined time period. At step 306, the first energy consumption value can be compared with a second energy consumption of the first load for checking the accuracy rate of the energy meter. The second energy consumption of the first load is calculated on the basis of the set of pre-defined attributes.
[0047] In an embodiment, the method 300 can include displaying, by the
processor 202, a comparison result between the first energy consumption and the
second energy consumption on a display unit 108. The display unit 108 can be
configured with the processing unit 106 and the energy meter 102.
[0048] FIG. 4 illustrates an exemplary computer system in which or with
which embodiments of the present invention can be utilized, in accordance with embodiments of the present disclosure.
[0049] As shown in FIG. 4, computer system 400 can include an external
storage device 410, a bus 420, a main memory 430, a read only memory 440, a mass storage device 450, communication port 460, and a processor 470. A person skilled in the art will appreciate that the computer system may include more than one processor and communication ports. Examples of processor 470 include, but are not limited to, an Intel® Itanium® or Itanium 2 processor(s), or AMD® Opteron® or Athlon MP® processor(s), Motorola® lines of processors, FortiSOC™ system on chip processors or other future processors. Processor 470 may include various modules associated with embodiments of the present invention. Communication port 460 can be any of an RS-232 port for use with a modem based dialup connection, a 10/100 Ethernet port, a Gigabit or 10 Gigabit port using copper or fiber, a serial port, a parallel port, or other existing or future ports. Communication port 460 may be chosen depending on a network, such a Local Area Network (LAN), Wide Area Network (WAN), or any network to which computer system connects.
[0050] Memory 430 can be Random Access Memory (RAM), or any other
dynamic storage device commonly known in the art. Read-only memory 440 can be any static storage device(s) e.g., but not limited to, a Programmable Read Only

Memory (PROM) chips for storing static information e.g., start-up or BIOS instructions for processor 470. Mass storage 450 may be any current or future mass storage solution, which can be used to store information and/or instructions. Exemplary mass storage solutions include, but are not limited to, Parallel Advanced Technology Attachment (PATA) or Serial Advanced Technology Attachment (SATA) hard disk drives or solid-state drives (internal or external, e.g., having Universal Serial Bus (USB) and/or Firewire interfaces), e.g. those available from Seagate (e.g., the Seagate Barracuda 7102 family) or Hitachi (e.g., the Hitachi Deskstar 7K1000), one or more optical discs, Redundant Array of Independent Disks (RAID) storage, e.g. an array of disks (e.g., SATA arrays), available from various vendors including Dot Hill Systems Corp., LaCie, Nexsan Technologies, Inc. and Enhance Technology, Inc.
[0051] Bus 420 communicatively couples processor(s) 470 with the other
memory, storage and communication blocks. Bus 420 can be, e.g. a Peripheral Component Interconnect (PCI) / PCI Extended (PCI-X) bus, Small Computer System Interface (SCSI), USB or the like, for connecting expansion cards, drives and other subsystems as well as other buses, such a front side bus (FSB), which connects processor 470 to software system.
[0052] Optionally, operator and administrative interfaces, e.g. a display,
keyboard, and a cursor control device, may also be coupled to bus 420 to support direct operator interaction with a computer system. Other operator and administrative interfaces can be provided through network connections connected through communication port 460. The external storage device 410 can be any kind of external hard-drives, floppy drives, IOMEGA® Zip Drives, Compact Disc -Read Only Memory (CD-ROM), Compact Disc-Re-Writable (CD-RW), Digital Video Disk-Read Only Memory (DVD-ROM). Components described above are meant only to exemplify various possibilities. In no way should the aforementioned exemplary computer system limit the scope of the present disclosure.
[0053] Moreover, in interpreting the specification, all terms should be
interpreted in the broadest possible manner consistent with the context. In

particular, the terms "comprises" and "comprising" should be interpreted as referring to elements, components, or steps in a non-exclusive manner, indicating that the referenced elements, components, or steps may be present, or utilized, or combined with other elements, components, or steps that are not expressly referenced. Where the specification claims refer to at least one of something selected from the group consisting of A, B, C ....and N, the text should be interpreted as requiring only one element from the group, not A plus N, or B plus N, etc.
[0054] While the foregoing describes various embodiments of the
invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof. The scope of the invention is determined by the claims that follow. The invention is not limited to the described embodiments, versions or examples, which are included to enable a person having ordinary skill in the art to make and use the invention when combined with information and knowledge available to the person having ordinary skill in the art.
ADVANTAGES OF THE INVENTION
[0055] The proposed invention provides a system for self-checking
accuracy rate of the energy meter.
[0056] The proposed invention provides a system for self-checking
accuracy rate of the energy meter which can check an error percentage in energy
consumption reading provided by the energy meter.
[0057] The proposed invention provides a system for self-checking
accuracy rate of the energy meter which is cost effective.
[0058] The proposed invention provides a system for self-checking
accuracy rate of the energy meter which requires less maintenance.

We Claim:

1. A system for accuracy rate check of an energy meter, the system
comprising:
a first load removably coupled with load terminals of the energy meter, wherein the first load has a set of pre-defined attributes;
a processing unit having a processor operatively configured with the first load and the energy meter, and configured to execute a set of instructions stored in a memory which on execution causes the processor to:
electrically couple, when the energy meter is in a first operating mode, the first load with the load terminals,
measure, for a pre-defined time period, a first energy consumption of the first load, and
compare, the first energy consumption with a second energy consumption for checking the accuracy rate of the energy meter, wherein the second energy consumption is calculated based on the set of pre-defined attributes for the pre-defined time period.
2. The system as claimed in the claim 1, wherein the set of pre-defined attributes comprise a load value.
3. The system as claimed in the claim 1, wherein the system comprises a second load operatively configured with the processing unit and the energy meter, wherein the second load is configured to be electrically coupled with the load terminals when the energy meter is in second operating mode.
4. The system as claimed in claim 1, wherein the first operating mode is a test mode, and the second operating mode is normal operation mode.
5. The system as claimed in the claim 1, wherein the system comprises a display unit configured with the processing unit and the energy meter, and a comparison result between the first energy consumption and the second energy consumption is displayed on the display unit.

6. The system as claimed in the claim 1, wherein the second load has unknown load value.
7. A method for checking accuracy rate of an energy meter, the method comprising:
electrically coupling, by a processor, the first load having a set of pre-defined attributes with the load terminals when the energy meter is in a first operating mode;
measuring, by the processor, a first energy consumption of the first load for a pre-defined time period, and
comparing, by the processor, the first energy consumption with a second energy consumption of the first load for checking the accuracy rate of the energy meter, wherein the second energy consumption of the first load is calculated on the basis of the set of pre-defined attributes.
8. The method as claimed in claim 7, wherein the method comprises displaying, by the processor, a comparison result between the first energy consumption and the second energy consumption on a display unit, wherein the display unit is configured with the processing unit and the energy meter.
9. The method as claimed in claim 7, wherein the set of pre-defined attributes comprise a load value.
10. The method as claimed in claim 7, wherein the first operating mode comprises a test mode and the second operating mode is normal operation mode.