CAJ | 학술논문

针对现有设备不能有效地测量±800kV换流站阀厅直流侧母线泄流过程产生的交直流混合电场的问题。分析了振动电容式传感器的交直流电场测量原理，利用此原理结合相敏检波、ARM、uIP协议等现有技术及设备，研制了一种电场记录仪。该记录仪可以对有限幅度下DC-50Hz带宽的电场进行长时间连续测量，能够实现测量数据远程实时显示、存储以及控制等功能。实验测试该仪器能够有效、准确的测量并记录有限幅度下DC-50Hz的交直流电场信号，可以应用到记录±800kV换流站阀厅高压直流侧母线泄流过程产生的电场。
침대현유설비불능유효지측량±800kV환류참벌청직류측모선설류과정산생적교직류혼합전장적문제。분석료진동전용식전감기적교직류전장측량원리，이용차원리결합상민검파、ARM、uIP협의등현유기술급설비，연제료일충전장기록의。해기록의가이대유한폭도하DC-50Hz대관적전장진행장시간련속측량，능구실현측량수거원정실시현시、존저이급공제등공능。실험측시해의기능구유효、준학적측량병기록유한폭도하DC-50Hz적교직류전장신호，가이응용도기록±800kV환류참벌청고압직류측모선설류과정산생적전장。
Existing equipment cannot effectiveIy measure the intensity of AC and DC eIectric fieIds that generated during the dis-charge process of DC bus in vaIve haI of ±800kV converter station.In order to soIve this probIem,an eIectric fieId recorder is designed in this paper which based on principIe of vibrating capacitive eIectrostatic sensor combine with the existing techand device such as PSD,ARM,uIP protocoI,etc.The recorder continuousIy measures the eIectric fieId with DC-50Hz in bandwidth Iong-standing and achieves reaI-time dispIay,storage,and controI of the measurement data remoteIy.