Design of Digital Interface of Electronic Transformer Based on Field Bus

LAO Ri-zhi; ZHANG Shou-zhi; CHEN Gang

doi:10.13296/j.1001-1609.hva.2013.03.006

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Design of Digital Interface of Electronic Transformer Based on Field Bus

更新时间：2025-04-26

- Design of Digital Interface of Electronic Transformer Based on Field Bus
- High VoltageApparatus Vol. 49, Issue 3, Pages: 18-23(2013)
- 作者机构：
  
  西安交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.03.006
  CLC： TM45
- Published：2013
- 稿件说明：
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[1]劳日智,张守志,陈刚.基于现场总线的电子互感器数字化接口研究与设计[J].高压电器,2013,49(03):18-23.

LAO Ri-zhi, ZHANG Shou-zhi, CHEN Gang. Design of Digital Interface of Electronic Transformer Based on Field Bus[J]. High voltageapparatus, 2013, 49(3): 18-23.
[1]劳日智,张守志,陈刚.基于现场总线的电子互感器数字化接口研究与设计[J].高压电器,2013,49(03):18-23. DOI： 10.13296/j.1001-1609.hva.2013.03.006.

LAO Ri-zhi, ZHANG Shou-zhi, CHEN Gang. Design of Digital Interface of Electronic Transformer Based on Field Bus[J]. High voltageapparatus, 2013, 49(3): 18-23. DOI： 10.13296/j.1001-1609.hva.2013.03.006.

摘要

基于对中低压变电站的应用

设计了一种针对中低压变电站系统的电子互感器数字化传输方法。该方法包括基于CAN的网络传输结构及其电压电流采样软同步的实现、对电子互感器数据压缩编码算法等。设计了硬件试验系统

对提出的理论方法进行了验证。试验结果表明

该方法对不同间隔电压电流采样的同步精度能达到7.5′

对于稳态基波信号可以实现0.1级准确度的传输

传输方法能满足速断响应的时间要求。表明该方法基本能满足在中低压系统中保护与测量的应用要求

对于数字化变电站的研究有一定意义。

Abstract

A digital transmission method of electronic transformer for medium or low voltage substation was designed

including CAN bus-based transmission structure

synchronous sampling

and compression coding algorithm.A hardware test system was also designed to validate the proposed method.The results show that the synchronization precision of the proposed method can reach 7.5′ for voltage and current sampling with different intervals

for the steady-state fundamental signal the transmission accuracy can get to 0.1 class

and the transmission method can meet the time requirement for quick-break response.The proposed method can meet the requirements of protection and measurement for medium or low voltage substation on the whole.

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Related Institution

北京100084

清华大学电机工程与应用电子技术系北京100083

Depar tment of Electrical Engineering,Tsinghua Univeristy

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Xinhui Adult Technical Secondary School

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