Low Power Consumption Design of Electronic Current Transformer Sensor

JIA Chun-rong; DI Zhi-gang; ZHANG Qin-ling; HOU Guo-qiang; JIN Jiang-guo

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Low Power Consumption Design of Electronic Current Transformer Sensor

更新时间：2025-04-26

- Low Power Consumption Design of Electronic Current Transformer Sensor
- High VoltageApparatus Vol. 45, Issue 2, Pages: 84-86(2009)
- 作者机构：
  
  河北理工大学
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM452
- Published：2009
- 稿件说明：
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[1]贾春荣,邸志刚,张庆凌,侯国强,金建国.电子式电流互感器传感头的低功耗设计[J].高压电器,2009,45(02):84-86.

JIA Chun-rong, DI Zhi-gang, ZHANG Qin-ling, et al. Low Power Consumption Design of Electronic Current Transformer Sensor[J]. High voltageapparatus, 2009, 45(2): 84-86.
[1]贾春荣,邸志刚,张庆凌,侯国强,金建国.电子式电流互感器传感头的低功耗设计[J].高压电器,2009,45(02):84-86. DOI：

JIA Chun-rong, DI Zhi-gang, ZHANG Qin-ling, et al. Low Power Consumption Design of Electronic Current Transformer Sensor[J]. High voltageapparatus, 2009, 45(2): 84-86. DOI：

摘要

降低传感头功耗是目前电子式电流互感器的研究重点。针对电子式电流互感器的工作原理及目前研究难点

通过对传感元件和模拟信号处理电路的改进

有效地使传感头的功耗降低到50 mW以下

测量精度得到提高。此外对电流互感器的相位补偿也有了很大的改善。试验结果证明

该设计方案切实可行

除降低功耗以外

在比差及相位差方面都能够满足国标0.2级电流互感器的要求。

Abstract

Based on the analysis of working principle of electronic current transformer

the sensing element and analog signal processing circuit were improved

the power consumption of sensor was reduced to less than 50 mW

and the measurement precision was enhanced.In addition

the phase compensation of the transformer was meliorated significantly.Experimental results demonstrate that this design proposal is feasible

and the ratio difference and phase difference can meet the requirements for 0.2 level current transformer.

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