新型数字式互感在智能变电站自动化系统应用研究  

Research on the Application of New Digital Mutual Inductance in Intelligent Substation Automation System

作　　者：余越 YU Yue(State Grid Hubei Electric Power Co.,Ltd.Ultra High Voltage Company,Wuhan 430064,China)

机构地区：[1]国网湖北省电力有限公司超高压公司,湖北武汉430064

出　　处：《电工技术》2024年第S2期126-128,共3页Electric Engineering

摘　　要：研究了一种新型数字式电流/电压互感器在变电站自动化系统中的应用特点。首先,全面介绍了数字式电流、电压互感器性能及原理,并简要分析了二次侧电路的各部分功能及要求;然后,基于电磁互感器和位于高压侧的电容分压器建立了数字式互感器与智能变电站自动化系统交互的模型,测量的瞬时电流和电压值通过光纤电缆进行传输;最后,通过实验验证了新型数字式互感器在智能变电站的可行性和经济型。This article studies the application characteristics of a new type of digital current/voltage transformer in substation automation systems.Firstly,the performance and principle of digital current and voltage transformers were comprehensively introduced,and the functions and requirements of each part of the secondary circuit were briefly analyzed.Then,a model of the interaction between the digital transformer and the intelligent substation automation system was established based on the electromagnetic transformer and the capacitor voltage divider located on the high voltage side.The measured instantaneous current and voltage values were transmitted through fiber optic cables,and the feasibility and economy of the new digital transformer in intelligent substations were experimentally verified.

关 键 词：数字变电站 变电站自动化系统 智能电网 数字互感器 

分 类 号：TM76[电气工程—电力系统及自动化]