XIAO Yun. Research on wide band sensor for PD on-line monitoring in power transformer[J]. 2005, (2): 13-15+24.DOI:
用于监测电力变压器局部放电的宽频带传感器的研究
摘要
传感器的设计是实现电气设备局部放电在线监测的关键环节。通过对罗柯夫斯基电流传感器原理分析和实验测试
研究了罗柯夫斯基线圈匝数、取样电阻和杂散电容的变化对传感器通频带宽和灵敏度的影响
得出了实用罗柯夫斯基线圈型宽频带电流传感器的设计方法。
Abstract
The design of sensor is a key to achieve partia l discharge on-line monitoring.This paper studies the principle of Rogowschi curr ent sensor and experimental research
discusses the effects of sensor coiling nu mber
sampling resistance and stray capacitance on pass-band width and sensitiv ity
and gains the design method of Rogowschi coil current sensor.