Liquid resistor loading device

Abstract

The invention relates to a high-voltage high-power liquid resistor loading device which comprises a liquid resistor box, a moving electrode plate, a fixed electrode plate, a position sensor, a pulling motor, a transmission screw rod, a sliding block and a controller. The device has the main characteristic that the lower ends of the moving electrode plate and the fixed electrode plate are both inserted into a resistance liquid in the liquid resistor box, the fixed electrode plate is fixedly installed, and the moving electrode plate can laterally move. The device adopts a simple transmission mechanism, the distance between the moving electrode plate and the fixed electrode plate is changed under the control of the position sensor and the controller, and the resistance of the liquid resistorcan be conveniently regulated through the change in the distance between the moving electrode plate and the fixed electrode plate; and the requirement on a high-voltage high-power generator or other high-voltage high-power power supply type devices for electrical performance tests can be satisfied. The continuity, the uniformity and the reliability of the high-voltage high-power generator or other high-voltage high-power power supply type devices for electrical performance tests are increased, meanwhile, the investment cost of the resistor loading device is reduced.

Description

Technical field [0001] The invention belongs to the technical field of testing load resistance of power supply equipment, and in particular relates to a high-voltage high-power liquid resistance load device, which is suitable for testing the electrical performance of high-voltage high-power generators or high-voltage high-power power supply equipment. Background technique [0002] As we all know, it is necessary to provide a simulated load when performing electrical performance tests on high-voltage high-power generators or other high-voltage high-power power supply equipment. At present, there are mainly two forms of analog loads: one is to use analog loads such as solid resistors. Due to the limitation of heat dissipation, the power of such analog loads is generally small, and such load devices generally adopt step-by-step regulation. Therefore, it is not suitable for the electrical performance test requirements of high-voltage and high-power generators or high-voltage and...

AI Technical Summary

Problems solved by technology

At present, there are mainly two forms of analog loads: one is to use analog loads such as solid resistors. Due to the limitation of heat dissipation, the power of such analog loads is generally small, and such load devices generally adopt step-by-step regulation. Therefore, it is not suitable for the electrical performance test requirements of high-voltage and high-power generators or high-voltage and high-power power supply equipment; the other is to use a transformer to convert high voltage to low voltage, and use a low-voltage liquid resistance load at the low-voltage end for testing. This load dissipates heat quickly. , the power can be made very large, but due to the need for additional transformers, the investment cost is relatively high

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