CN110687492A - Method and system for monitoring detection quality of automatic verification system of low-voltage current transformer on line - Google Patents
Method and system for monitoring detection quality of automatic verification system of low-voltage current transformer on line Download PDFInfo
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Abstract
The invention discloses a method and a system for monitoring the detection quality of an automatic verification system of a low-voltage current transformer on line, which comprises the following steps: the automatic verification system for the low-voltage current transformers sequentially detects the metering performance of the low-voltage current transformer check standard according to detection tasks issued by the production scheduling module of the metering center and identification codes of the low-voltage current transformer check standard so as to obtain metering performance detection results; and the main control center determines the detection quality of the automatic verification system of the low-voltage current transformers according to the measurement performance detection result and the specific difference standard information and the angular difference standard information of the verification standard of each low-voltage current transformer. The invention can sequentially select the corresponding low-voltage transformer check standards on the production line for detection, automatically determine the detection quality of the automatic verification system, realize the automatic on-line supervision of the metering performance of the automatic verification system, save the labor and improve the efficiency of the metering supervision.
Description
Technical Field
The present invention relates to the field of metrological calibration, and more particularly, to a method and system for on-line monitoring the detection quality of an automated verification system for low-voltage current transformers.
Background
The low-voltage current transformer is used as a key metering device of a distribution network, and the demand and the detection quantity are increased rapidly in recent years. Since 2010, each provincial metering center builds an automatic verification system of the low-voltage current transformer according to national network requirements. In order to ensure the reliability and accuracy of the automatic verification system, the automatic verification system needs to be subjected to sampling inspection according to a certain frequency. However, the prior manual sampling inspection has low efficiency and is difficult to match the verification efficiency of the production line, so the measurement supervision of the prior automatic verification system is not substantially realized.
Therefore, a method capable of monitoring the detection quality of the low-voltage current transformer automatic verification system on line is needed to realize the on-line monitoring of the low-voltage current transformer automatic verification system.
Disclosure of Invention
The invention provides a method and a system for monitoring the detection quality of an automatic verification system of a low-voltage current transformer on line, which aim to solve the problem of how to determine the detection quality of the automatic verification system of the low-voltage current transformer.
In order to solve the above problem, according to an aspect of the present invention, there is provided a method for on-line monitoring the detection quality of an automated verification system for a low-voltage current transformer, the method comprising:
the automatic verification system for the low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to detection tasks issued by a production scheduling module of a metering center and identification codes of the check standards of the low-voltage current transformers so as to obtain metering performance detection results;
the automatic verification system of the low-voltage current transformer sends the measurement performance detection result to a master control center through a production scheduling module of the measurement center;
and the main control center determines the detection quality of the automatic verification system of the low-voltage current transformers according to the measurement performance detection result and the specific difference standard information and the angular difference standard information of the verification standard of each low-voltage current transformer.
Preferably, wherein the method further comprises:
generating an identification code of each low-voltage current transformer checking standard according to the parameter information of each low-voltage current transformer checking standard and a preset coding rule; wherein, the parameter information of each low-voltage current transformer checking standard comprises: production unit information, asset type information, provincial meeting information, qualification information, rated primary current information and accuracy grade information.
Preferably, the automatic verification system for low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to the detection task issued by the metering center production scheduling module and the identification code of each low-voltage current transformer check standard to obtain the metering performance detection result, and includes:
the automatic verification system of the low-voltage current transformer identifies the identification code of each low-voltage current transformer verification standard in a circulation state;
sequentially determining the checking standard of the low-voltage current transformer to be detected according to the detection sequence in the detection task issued by the production scheduling module of the metering center and the identification result of the identification code;
and sequentially detecting the metering performance of each low-voltage current transformer checking standard according to the determined sequence of the low-voltage current transformer checking standards to be detected so as to obtain a metering performance detection result.
Preferably, the measurement performance detection result comprises: the detection sequence number, the identification code of the low-voltage current transformer checking standard, the specific difference detection information, the angle difference detection information, the station information, the bin position information and the detection date.
Preferably, wherein the detection mass comprises: the repeatability, the multi-station consistency, the overall error, the false detection rate and the false detection rate of the automatic verification system for the low-voltage current transformer are improved.
According to another aspect of the present invention, there is provided a system for on-line supervision of the quality of detection of an automated low-voltage current transformer certification system, the system comprising:
the metering center production scheduling module is used for sending a detection task to the automatic verification system of the low-voltage current transformer;
the automatic verification system for the low-voltage current transformers is used for receiving the detection tasks, sequentially detecting the metering performance of each low-voltage current transformer check standard according to the detection tasks and the identification codes of each low-voltage current transformer check standard to obtain metering performance detection results, and sending the metering performance detection results to a master control center through a metering center production scheduling module;
and the main control center is used for determining the detection quality of the automatic detection system of the low-voltage current transformers according to the measurement performance detection result and the standard information of the specific difference and the standard information of the angular difference of the check standard of each low-voltage current transformer.
Preferably, wherein the system further comprises:
the identification code generating module is used for generating an identification code of each low-voltage current transformer checking standard according to the parameter information of each low-voltage current transformer checking standard and a preset coding rule; wherein, the parameter information of each low-voltage current transformer checking standard comprises: production unit information, asset type information, provincial meeting information, qualification information, rated primary current information and accuracy grade information.
Preferably, the automatic verification system for low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to a detection task issued by the production scheduling module of the metering center and an identification code of each low-voltage current transformer check standard to obtain a measurement performance detection result, and includes:
the automatic verification system of the low-voltage current transformer identifies the identification code of each low-voltage current transformer verification standard in a circulation state;
sequentially determining the checking standard of the low-voltage current transformer to be detected according to the detection sequence in the detection task issued by the production scheduling module of the metering center and the identification result of the identification code;
and sequentially detecting the metering performance of each low-voltage current transformer checking standard according to the determined sequence of the low-voltage current transformer checking standards to be detected so as to obtain a metering performance detection result.
Preferably, the measurement performance detection result comprises: the detection sequence number, the identification code of the low-voltage current transformer checking standard, the specific difference detection information, the angle difference detection information, the station information, the bin position information and the detection date.
Preferably, wherein the detection mass comprises: repeatability, multi-station consistency, overall error, false detection rate and false detection rate of automatic verification system of low-voltage current transformer
The invention provides a method and a system for monitoring the detection quality of an automatic verification system of a low-voltage current transformer on line, which comprises the following steps: the automatic verification system for the low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to detection tasks issued by the metering center production scheduling module and identification codes of each low-voltage current transformer check standard to obtain metering performance detection results, and the metering performance detection results are sent to a master control center through the metering center production scheduling module; and the main control center determines the detection quality of the automatic verification system of the low-voltage current transformers according to the measurement performance detection result and the specific difference standard information and the angular difference standard information of the verification standard of each low-voltage current transformer. On the basis of hardware of the existing automatic verification system, the corresponding low-voltage transformer check standards are sequentially selected on the production line for detection according to the detection tasks issued by the production scheduling module of the metering center and the identification codes of the check standards of each low-voltage current transformer, and the detection quality of the automatic verification system is automatically determined by the main control center according to the detection result of the metering performance, so that the online supervision of the detection quality of the automatic verification system is realized, the labor is saved, and the efficiency of the metering supervision is improved.
Drawings
A more complete understanding of exemplary embodiments of the present invention may be had by reference to the following drawings in which:
fig. 1 is a flow chart of a method 100 for online supervision of the detection quality of an automated low-voltage current transformer verification system according to an embodiment of the invention;
fig. 2 is a system architecture diagram of an on-line supervision low-voltage current transformer automated verification system according to an embodiment of the invention; and
fig. 3 is a schematic diagram of a system 300 for on-line supervision of the quality of inspection of an automated low-voltage current transformer verification system according to an embodiment of the invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Fig. 1 is a flow chart of a method 100 for on-line supervision of the detection quality of an automated verification system for a low-voltage current transformer according to an embodiment of the present invention. As shown in fig. 1, according to the method for on-line monitoring the detection quality of the automatic verification system for low-voltage current transformers provided by the embodiment of the invention, on the basis of the hardware of the existing automatic verification system, the corresponding low-voltage current transformer verification standards are sequentially selected on the production line for detection according to the detection tasks issued by the production scheduling module of the metering center and the identification codes of the verification standards of each low-voltage current transformer, and the main control center automatically determines the detection quality of the automatic verification system according to the detection result of the metering performance, thereby realizing the automatic detection of the detection quality of the automatic verification system, saving the labor and improving the verification efficiency. The method for monitoring the detection quality of the automatic verification system of the low-voltage current transformer on line starts from step 101, and in step 101, the automatic verification system of the low-voltage current transformer sequentially detects the metering performance of each low-voltage current transformer check standard according to a detection task issued by a production scheduling module of a metering center and an identification code of each low-voltage current transformer check standard so as to obtain a metering performance detection result.
Preferably, wherein the method further comprises:
generating an identification code of each low-voltage current transformer checking standard according to the parameter information of each low-voltage current transformer checking standard and a preset coding rule; wherein, the parameter information of each low-voltage current transformer checking standard comprises: production unit information, asset type information, provincial meeting information, qualification information, rated primary current information and accuracy grade information.
Preferably, the automatic verification system for low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to the detection task issued by the metering center production scheduling module and the identification code of each low-voltage current transformer check standard to obtain the metering performance detection result, and includes:
the automatic verification system of the low-voltage current transformer identifies the identification code of each low-voltage current transformer verification standard in a circulation state;
sequentially determining the checking standard of the low-voltage current transformer to be detected according to the detection sequence in the detection task issued by the production scheduling module of the metering center and the identification result of the identification code;
and sequentially detecting the metering performance of each low-voltage current transformer checking standard according to the determined sequence of the low-voltage current transformer checking standards to be detected so as to obtain a metering performance detection result.
Preferably, the measurement performance detection result comprises: the detection sequence number, the identification code of the low-voltage current transformer checking standard, the specific difference detection information, the angle difference detection information, the station information, the bin position information and the detection date.
In an embodiment of the invention, the automatic verification system of the low-voltage current transformer is an existing hardware device which comprises a device for electronic tag identification. Firstly, an identification code of each low-voltage current transformer checking standard is determined, an electronic tag is generated and is adhered to the low-voltage current transformer checking standard, and whether the checking standard is placed on a station or not is determined on a production line of the low-voltage current transformer automatic verification system according to the identification result of the electronic tag. Specifically, on the basis of the Q/GDW 1205-2013 bar code of the electric energy metering device, the production unit, the asset type, the belonged province, the qualification, the rated primary current, the ratio difference information, the angle difference information and the like of the low-voltage current transformer are included in the 22-digit identification code so as to be distinguished from the general low-voltage current transformer test product.
And then, the metering center production scheduling module issues a detection task list, and the automatic verification system of the low-voltage current transformer performs detection according to the detection task list. In the embodiment of the invention, a mutual inductor detection bin in an automatic detection system comprises 12 stations, so that 12 low-voltage current transformer detection standards are selected as a group for detection according to the project requirements of false detection rate and false detection rate in the low-voltage current transformer automatic detection system for measuring according to JG1139-2017, wherein the group comprises 10 qualified low-voltage current transformer detection standards and 2 unqualified low-voltage current transformer detection standards. And 5 groups of low-voltage current transformers are arranged according to the detection requirements, and the detection times are 20 times. Therefore, the 5 groups of low-voltage current transformers can enter the verification cabin according to random positions in a certain period to complete 20 detection tests according to the detection task list, and the detection result is obtained. Wherein, the detection result includes: the detection sequence number of the detected low-voltage current transformer checking standard, the identification code of the low-voltage current transformer checking standard, the specific difference detection information, the angular difference detection information, the station information, the bin position information, the detection date and other information. After the detection result is pushed to the main control center, the detection quality of the automatic verification system of the low-voltage current transformer can be determined according to the detection result.
In step 102, the automatic verification system of the low-voltage current transformer sends the measurement performance detection result to a master control center through a measurement center production scheduling module.
In step 103, the main control center determines the detection quality of the automated verification system of the low-voltage current transformer according to the measurement performance detection result and the ratio difference standard information and the angle difference standard information of the verification standard of each low-voltage current transformer.
Preferably, wherein the detection mass comprises: the repeatability, the multi-station consistency, the overall error, the false detection rate and the false detection rate of the automatic verification system for the low-voltage current transformer are improved.
In the embodiment of the invention, the data in the measurement performance detection result is compared with the known ratio difference standard information and angle difference standard information of each low-voltage current transformer check standard, so that the detection of the repeatability, the multi-station consistency, the overall error of the verification system, the false detection rate and the false detection rate of the low-voltage current transformer automatic verification system can be completed. And each low-voltage current transformer checks standard specific difference standard information and angular difference standard information and acquires the standard specific difference standard information and the angular difference standard information through detection in a standard laboratory.
The following specifically exemplifies embodiments of the present invention
In the embodiment of the present invention, an automatic detection system for a low-voltage current transformer in a certain provincial metering center is taken as an example. A system architecture for determining the detection quality of the low-voltage current transformer automatic verification system is shown in fig. 2, wherein the low-voltage current transformer automatic verification system is connected with a metering center production scheduling platform MDS, and the metering center production scheduling platform is connected with an online metering and monitoring platform (i.e., a master control center). When the detection quality of the automatic verification system for the low-voltage current transformer is determined, 5 groups of low-voltage current transformer verification standards are adopted as detection samples, each group comprises 10 qualified low-voltage current transformer verification standard samples with the transformation ratio of 150A/5A, the accuracy grade of 0.05S grade and the secondary rated load of 5VA, and 2 unqualified samples with the same parameters. The method comprises the steps that corresponding electronic tags are respectively adhered to each low-voltage current transformer check standard sample, a metering center production scheduling platform inputs parameter information of each sample and issues a detection task list to a low-voltage current transformer automatic verification system, the automatic verification system determines a low-voltage current transformer check standard entering a detection station according to a received detection task and the recognized electronic tag of each current transformer check standard, and after 20 detection tests are randomly carried out on a production line on the low-voltage current transformer check standard, a metering performance detection result is obtained and uploaded to the metering center production scheduling platform. The production scheduling platform of the metering center pushes information such as specific error, angular difference, station, bin position, mutual inductor serial number and detection date to an online supervision platform (main control center) of the automatic calibration system of the low-voltage current mutual inductor of the provincial metering center through an interface, and the online supervision platform (main control center) calculates the repeatability, multi-station consistency, overall error, false detection rate and false detection rate of the automatic calibration system according to the acquired measurement performance detection result and the known specific error standard information and angular difference standard information detected by each low-voltage current mutual inductor in a standard laboratory. In the embodiment of the present invention, the main control center may further perform visual display on the monitoring result through a chart or the like.
Fig. 3 is a schematic structural diagram of a system 300 for automatically verifying the detection quality of the on-line supervision low-voltage current transformer in accordance with the embodiment of the present invention. As shown in fig. 3, the system 300 for on-line monitoring the quality of detection of the low-voltage current transformer automated verification system according to the embodiment of the present invention includes: a metering center production scheduling module 301, a low-voltage current transformer automatic verification system 302 and a master control center 303.
Preferably, the metering center production scheduling module 301 is configured to send a detection task to the low-voltage current transformer automated verification system 302.
Preferably, the automatic verification system 302 for low-voltage current transformers is configured to receive the detection task, sequentially detect the metering performance of each low-voltage current transformer check standard according to the detection task and the identification code of each low-voltage current transformer check standard, so as to obtain a metering performance detection result, and send the metering performance detection result to the main control center 303 through the metering center production scheduling module 302.
Preferably, the automatic verification system 302 for low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to the detection task issued by the metering center production scheduling module and the identification code of each low-voltage current transformer check standard, so as to obtain the measurement performance detection result, and includes:
the automatic verification system of the low-voltage current transformer identifies the identification code of each low-voltage current transformer verification standard in a circulation state;
sequentially determining the checking standard of the low-voltage current transformer to be detected according to the detection sequence in the detection task issued by the production scheduling module of the metering center and the identification result of the identification code;
and sequentially detecting the metering performance of each low-voltage current transformer checking standard according to the determined sequence of the low-voltage current transformer checking standards to be detected so as to obtain a metering performance detection result.
Preferably, the measurement performance detection result comprises: the detection sequence number, the identification code of the low-voltage current transformer checking standard, the specific difference detection information, the angle difference detection information, the station information, the bin position information and the detection date.
Preferably, wherein the system further comprises: the identification code generating module is used for generating an identification code of each low-voltage current transformer checking standard according to the parameter information of each low-voltage current transformer checking standard and a preset coding rule; wherein, the parameter information of each low-voltage current transformer checking standard comprises: production unit information, asset type information, provincial meeting information, qualification information, rated primary current information and accuracy grade information.
Preferably, the main control center 303 is configured to determine the detection quality of the automatic verification system for the low-voltage current transformer according to the measurement performance detection result and the standard information of the specific difference and the standard information of the angular difference of the verification standard for each low-voltage current transformer.
Preferably, wherein the detection mass comprises: the repeatability, the multi-station consistency, the overall error, the false detection rate and the false detection rate of the automatic verification system for the low-voltage current transformer are improved.
The system 300 for on-line monitoring the detection quality of the automatic verification system for low-voltage current transformers according to the embodiment of the present invention corresponds to the method 100 for on-line monitoring the detection quality of the automatic verification system for low-voltage current transformers according to another embodiment of the present invention, and is not described herein again.
The invention has been described with reference to a few embodiments. However, other embodiments of the invention than the one disclosed above are equally possible within the scope of the invention, as would be apparent to a person skilled in the art from the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/an/the [ device, component, etc ]" are to be interpreted openly as referring to at least one instance of said device, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above examples, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A method for on-line monitoring the detection quality of an automatic verification system of a low-voltage current transformer is characterized by comprising the following steps:
the automatic verification system for the low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to detection tasks issued by a production scheduling module of a metering center and identification codes of the check standards of the low-voltage current transformers so as to obtain metering performance detection results;
the automatic verification system of the low-voltage current transformer sends the measurement performance detection result to a master control center through a measurement center production scheduling module;
and the main control center determines the detection quality of the automatic verification system of the low-voltage current transformers according to the measurement performance detection result and the specific difference standard information and the angular difference standard information of the verification standard of each low-voltage current transformer.
2. The method of claim 1, further comprising:
generating an identification code of each low-voltage current transformer checking standard according to the parameter information of each low-voltage current transformer checking standard and a preset coding rule; wherein, the parameter information of each low-voltage current transformer checking standard comprises: production unit information, asset type information, provincial meeting information, qualification information, rated primary current information and accuracy grade information.
3. The method according to claim 1, wherein the automated verification system for the low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to the detection tasks issued by the metering center production scheduling module and the identification codes of each low-voltage current transformer check standard to obtain the metering performance detection results, and the method comprises the following steps:
the automatic verification system for the low-voltage current transformers identifies the identification codes of the verification standards of each low-voltage current transformer in a circulation state;
sequentially determining the checking standard of the low-voltage current transformer to be detected according to the detection sequence in the detection task issued by the production scheduling module of the metering center and the identification result of the identification code;
and sequentially detecting the metering performance of each low-voltage current transformer checking standard according to the determined sequence of the low-voltage current transformer checking standards to be detected so as to obtain a metering performance detection result.
4. The method of claim 1, wherein the metrology performance test results comprise: the detection sequence number, the identification code of the low-voltage current transformer checking standard, the specific difference detection information, the angle difference detection information, the station information, the bin position information and the detection date.
5. The method of claim 1, wherein the detecting the quality comprises: the repeatability, the multi-station consistency, the overall error, the false detection rate and the false detection rate of the automatic verification system for the low-voltage current transformer are improved.
6. A system for on-line supervision of the detection quality of an automatic verification system of a low-voltage current transformer is characterized by comprising:
the metering center production scheduling module is used for sending a detection task to the automatic verification system of the low-voltage current transformer;
the automatic verification system for the low-voltage current transformers is used for receiving the detection tasks, sequentially detecting the metering performance of each low-voltage current transformer check standard according to the detection tasks and the identification codes of each low-voltage current transformer check standard to obtain metering performance detection results, and sending the metering performance detection results to a master control center through a metering center production scheduling module;
and the main control center is used for determining the detection quality of the automatic verification system of the low-voltage current transformers according to the measurement performance detection result and the specific difference standard information and the angular difference standard information of the verification standard of each low-voltage current transformer.
7. The system of claim 6, further comprising:
the identification code generating module is used for generating an identification code of each low-voltage current transformer checking standard according to the parameter information of each low-voltage current transformer checking standard and a preset coding rule; wherein, the parameter information of each low-voltage current transformer checking standard comprises: production unit information, asset type information, provincial meeting information, qualification information, rated primary current information and accuracy grade information.
8. The system according to claim 6, wherein the automatic verification system for low-voltage current transformers sequentially detects the metering performance of each low-voltage current transformer check standard according to the detection task issued by the metering center production scheduling module and the identification code of each low-voltage current transformer check standard to obtain the metering performance detection result, and comprises:
the automatic verification system for the low-voltage current transformers identifies the identification codes of the verification standards of each low-voltage current transformer in a circulation state;
sequentially determining the checking standard of the low-voltage current transformer to be detected according to the detection sequence in the detection task issued by the production scheduling module of the metering center and the identification result of the identification code;
and sequentially detecting the metering performance of each low-voltage current transformer checking standard according to the determined sequence of the low-voltage current transformer checking standards to be detected so as to obtain a metering performance detection result.
9. The system of claim 6, wherein the metrology performance detection results comprise: the detection sequence number, the identification code of the low-voltage current transformer checking standard, the specific difference detection information, the angle difference detection information, the station information, the bin position information and the detection date.
10. The system of claim 6, wherein the quality of detection comprises: the repeatability, the multi-station consistency, the overall error, the false detection rate and the false detection rate of the automatic verification system for the low-voltage current transformer are improved.
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| CN111812576A (en) * | 2020-07-22 | 2020-10-23 | 积成电子股份有限公司 | System and method for adjusting transformer board of relay protection device |
| CN112213686A (en) * | 2020-08-27 | 2021-01-12 | 国网山东省电力公司日照供电公司 | Checking system of automatic calibrating device of electric energy meter |
| CN113281693A (en) * | 2021-05-08 | 2021-08-20 | 中国电力科学研究院有限公司 | Method and system for improving performance parameters and consistency of current transformer |
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