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Full-automatic nonlinear resistance type resonance eliminator test system

A non-linear resistance, testing system technology, applied in the direction of measuring resistance/reactance/impedance, instruments, measuring electricity, etc., can solve the problem of insufficient neutral point insulation protection, insufficient voltage limit at both ends of the harmonic eliminator, and increase the limitations of the system. and other problems, to achieve the effect of reducing the probability of safety accidents, improving the level of equipment maintenance, and protecting insulation.

Inactive Publication Date: 2021-10-01
STATE GRID HUBEI ELECTRIC POWER CO XIAOGAN POWER SUPPLY CO
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a full-automatic non-linear resistance type resonance eliminator test system, to solve the above-mentioned background technology, the fault prediction ability of the existing full-automatic non-linear resistance type resonance eliminator test system is insufficient, which increases the use of the system Limitations, at the same time, the automatic nonlinear resistance type resonance eliminator test system has insufficient restrictions on the voltage at both ends of the resonance eliminator, which makes the insulation protection of the neutral point insufficient

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  • Full-automatic nonlinear resistance type resonance eliminator test system

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Embodiment Construction

[0015] The technical solutions of the present invention will be described below in the drawings and examples of the embodiments, and embodiments are merely, and the described embodiments are merely the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, there are all other embodiments obtained without making creative labor without making creative labor premises.

[0016] See figure 1 The present invention provides a technical solution: a fully automatic nonlinear resistance modulator test system, including electronic pressure regulator, boost transformer, measurement circuit, a meter, measurement and control unit, signal isolation transform module, switching power supply, The controller and thermal printer, the workflow of the fully automatic nonlinear resistance meter test system is: the voltage output by the CNC module passes the harmonizer, the main controller automatically records the real-time resistance value o...

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Abstract

The invention discloses a full-automatic nonlinear resistance type resonance eliminator test system, which comprises an electronic voltage regulator, a boosting transformer, a measuring circuit, a resonance eliminator, a measurement and control unit, a signal isolation conversion module, a switching power supply, a main controller and a thermal printer; the working process of the full-automatic non-linear resistance type resonance eliminator test system is as follows: voltage output by the numerical control module passes through the resonance eliminator, the main controller automatically records the voltage and calculates the real-time resistance value of the resonance eliminator, and the printer automatically prints the voltage, current and resistance of the system. According to the full-automatic non-linear resistance type resonance eliminator test system, a resonance eliminator power frequency current and voltage parameter verification method is adopted, a high-voltage sampling signal isolation transformation technology is combined, a volt-ampere characteristic curve graph is drawn while fault prediction is performed on a running resonance eliminator, and the test system adopts a segmented variable parameter measure, so that the resonance eliminator can still maintain the original volt-ampere characteristic in a normal working current section.

Description

Technical field [0001] The present invention relates to the field of monumer test technology, in particular a fully automatic nonlinear resistance meter test system. Background technique [0002] The console is a damping device for eliminating voltage transformers in the circuit, protecting the circuit to prevent the PT high-pressure fuse from fucked, avoiding a power grid failure, its essence is a high-capacity nonlinear resistance, pass through Suppress the surge in the grid protection of high-pressure fuses, due to the current system of professional testing of automatic nonlinear resistance, leading to the quality of the consumer, easy to protect the quality factors of the console itself The grid equipment cannot operate safely, increase the risk of staff maintenance, so it is necessary to test it before installing the fully automatic nonlinear resistance meter installation, to increase the reliability after the harns installation, At the same time, the failure of the harns de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R27/08
CPCG01R31/00G01R27/08
Inventor 张攀徐康卢正中罗恒张茜郭蕾王峰王晓新刘智左倩尹飞罗群冯立艾婧雯
Owner STATE GRID HUBEI ELECTRIC POWER CO XIAOGAN POWER SUPPLY CO
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