CAJ | 학술논문

高压试验室前端高压充电回路和后端监控电路之间距离为50~80 m,高压充电回路最高充电电压为20 kV,为了使整个充电系统能够安全稳定工作,研制了基于电压/频率(V/F)、频率/电压(F/V)转换原理的光纤隔离型高压监控电路,实现了高压充电回路和监控电路之间的电气隔离。论述了该电路的结构、原理、硬件设计以及试验结果。实际运行表明：光纤隔离型高压监控电路线性度好,传输精度高,电压显示误差小于5%,维修方便,调试简单,有效地实现了前端高压充电回路和后端监控电路之间的电气隔离,提高了试验人员和后端设备的安全性。
고압시험실전단고압충전회로화후단감공전로지간거리위50~80 m,고압충전회로최고충전전압위20 kV,위료사정개충전계통능구안전은정공작,연제료기우전압/빈솔(V/F)、빈솔/전압(F/V)전환원리적광섬격리형고압감공전로,실현료고압충전회로화감공전로지간적전기격리。논술료해전로적결구、원리、경건설계이급시험결과。실제운행표명：광섬격리형고압감공전로선성도호,전수정도고,전압현시오차소우5%,유수방편,조시간단,유효지실현료전단고압충전회로화후단감공전로지간적전기격리,제고료시험인원화후단설비적안전성。
The distance between the high voltage charging circuit at the front end of a high voltage lab and the monitoring circuit at the rear end is 50~80m.The maximum charging vol-tage of the high voltage charging circuit is 20kV.In order to enable the whole charging system to work safely and stably,an optical fiber isolated monitoring circuit based on the voltage/fre-quency and frequency/voltage conversion principle was developed,and electrical isolation be-tween the high voltage charging circuit and the monitoring circuit was realized.The structure, the principle,the hardware design and the experimental results of the circuit were described. Actual running process showed that the optical fiber isolated monitoring circuit is good in line-arity and high in transmission precision,the display error of voltage is less than 5%,the main-tenance is convenient,and the debugging is easy.Electrical isolation between the high voltage charging circuit at the front end and the monitoring circuit at the rear end was realized effec-tively.The safety of experimenters and rear-end equipment were improved.