High-voltage light-channel split core type current transformer

Application Number: 00110539
Application Date: 2000.06.15
Publication Number: 1329339
Publication Date: 2002.01.02
Priority Information:
International: G01R15/00;H01F38/28
Applicant(s) Name: Shenyang Inst. of Power Engineering Technlogy
Inventor(s) Name: Zhu Jianxin;Xu Zhiyuan;Luo Hongbin
Patent Agency Code: 21209
Patent Agent: you juxun
Abstract The present invention relates to a high-voltage optical pathway split core type current transformer, belonging to a high-voltage feeder line current parameter collecting equipment, the tail end of current transformer is connected with optical pathway tube, the high-voltage measuring end of optical pathway is equipped with high-voltage measuring circuit formed from the I/V conversion, waveform amplification, waveform translation, V/F conversion, modulation and infrared transmitting circuits, and the tail end of the optical pathway tube is equipped with a receiving and output circuit formed from infrared receiving, demodulating, shaping, F/V conversion, low pass filtering, amplification and output circuit. It can implement real-time continuous collection and output of current of high-voltage line below 500 KV, and is high in accuracy, safe and reliable, strong in anti-interference power and convenient for carrying about.