Experiment system suitable for researching swing water level of voltage regulator and pressure fluctuation measurement

Abstract

The invention provides an experiment system suitable for researching a swing water level of a voltage regulator and pressure fluctuation measurement. An experiment device comprises a frequency converter, a motor, a speed reducer, a shaft coupling, a crank, body fixed angle iron, a body fixed pedestal, a support frame, a bearing pedestal, a high speed camera, a continuous laser and the like. The experiment device can realize real-time capture of a free liquid level in the voltage regulator and assesses an attack load which is caused by swing on a container wall surface. In the invention, a problem that a traditional liquid level post-processing error is large is solved; a differential pressure liquid level measurement method is corrected, which can provide a comprehensive experimental basisfor study of a nuclear power plant voltage regulator under swing excitation; and water level measurement correction of the floating nuclear power plant voltage regulator, value simulation and other aspects can be greatly optimized. The system can be used to accurately simulate a plurality of swing conditions, operation is simple and fast, and cost is low.

Description

technical field [0001] The invention relates to an experimental system for measuring the swing water level and pressure fluctuation of a voltage stabilizer, which belongs to the fields of fluid mechanics, nuclear safety analysis, automation equipment and the like. Background technique [0002] For nuclear power plants working on land, nuclear-powered ships operating at sea, floating nuclear power plants, etc., due to the possible impact of earthquakes, wind waves, tsunamis, etc., equipment such as voltage stabilizers and steam generators with free liquid surfaces will experience serious sloshing phenomena . The sloshing phenomenon will lead to violent fluctuations in the free liquid surface. On the one hand, these fluctuating free liquid surfaces will have a mechanical impact on the wall of the container and the equipment in the container, threatening the structural stability. On the other hand, the fluctuating free liquid surface will also produce complex fluid flow Mechan...

AI Technical Summary

Problems solved by technology

The sloshing phenomenon will lead to violent fluctuations in the free liquid surface. On the one hand, these fluctuating free liquid surfaces will have a mechanical impact on the container wall and equipment in the container, threatening the structural stability. On the other hand, the fluctuating free liquid surface will also produce complex fluid flow. Mechanical phenomenon, since the current nuclear power equipment mainly uses the water level measurement signal fed back by the differential pressure liquid level gauge measurement method to monitor the real water level in the pressurizer, steam generator and other equipment, the impact stress caused by the sloshing phenomenon caused by the swing It will cause the measured water level value to deviate from the actual water level, reducing the accuracy of equipment water level measurement

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