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A method and system for determining the error measurement function of an automated verification system

An automatic verification and system error technology, applied in the field of electrical measurement, can solve the problems of difficulty in ensuring that the verification standard and verification results are highly consistent, high operating costs, and low work efficiency, and achieve the effect of accurate and reliable verification results.

Active Publication Date: 2022-04-22
STATE GRID HUBEI MARKETING SERVICE CENT (MEASUREMENT CENT) +2
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Problems solved by technology

The traditional manual way to test low-voltage current transformers has low work efficiency and high operating costs, and it is difficult to ensure that the test standards and test results are highly consistent

Method used

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  • A method and system for determining the error measurement function of an automated verification system
  • A method and system for determining the error measurement function of an automated verification system

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Embodiment Construction

[0026] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0027] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention discloses a method and system for determining the error measurement function of an automatic verification system, belonging to the technical field of electric measurement. The method of the present invention comprises: using a high-level standard and an automatic verification system to carry out m groups of measurements on the low-voltage current transformer inspection standards, each group repeatedly measures n data, and obtains the mean value of sample data, subgroup coefficients and measurement uncertainty; according to the sample data Mean value, subgroup coefficient and measurement uncertainty, automatic verification system operation control chart; control the automatic verification system to check the low-voltage current transformer, obtain test data, if the test data falls into the automatic verification system operation control chart, determine the automatic verification The system error measurement function is qualified. The invention utilizes the quality control chart of the verification standard and the control chart of the running state of the assembly line to visually record whether the measurement process of the assembly line is in the state of statistical control, so that the running state of the automatic verification system is always under controlled supervision.

Description

technical field [0001] The present invention relates to the technical field of electrical measurement, and more specifically, to a method and system for determining the error measurement function of an automatic verification system. Background technique [0002] Low-voltage current transformers are used for energy metering in 0.4kV distribution lines. In order to ensure the fairness and justice of electricity trade settlement, low-voltage current transformers must pass the verification before they can be installed and put into operation on site. With the rapid development of my country's economy, the demand for electricity in various regions is increasing day by day, and the usage of low-voltage current transformers for metering is also increasing rapidly. The traditional manual method of testing low-voltage current transformers has low work efficiency and high operating costs, and it is difficult to ensure a high degree of consistency between the verification standards and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R35/02
CPCG01R35/02
Inventor 唐登平王雪蔡文嘉古雄李云峰项琼刘浩胡翔姚腾吴良科赵威杨洪陈泽远彭淑华
Owner STATE GRID HUBEI MARKETING SERVICE CENT (MEASUREMENT CENT)
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