浅谈沪宁城际电力系统谐波的危害和治理  

Talking about the Harm and Treatment of Harmonic in Shanghai-Nanjing Intercity

作　　者：张慧 Zhang Hui

机构地区：[1]中国铁路上海局集团有限公司杭州供电段,浙江湖州313000

出　　处：《电力系统装备》2021年第4期27-28,共2页Electric Power System Equipment

摘　　要：沪宁城际高铁是联系上海和南京两大城市的重要枢纽,是全国客流量最大的线路之一,沪宁城际高铁的安全稳定运行,关系到千万旅客的生命安全。但随着大量变压器、电力电子器件、电气设备的投入使用以及铁路特殊的长距离输电,使谐波成为影响设备安全运行的一大隐患,本文以沪宁城际高铁一例故障为例,分析了沪宁城际设备谐波的来源及其对线路、变压器、继电保护装置和通信设备的危害,并根据实际情况制定合理措施,减小谐波对设备的影响。The Shanghai-Nanjing intercity high-speed railway is an important hub connecting Shanghai and Nanjing.It is one of the routes with the largest passenger flow in the country.The safe and stable operation of Shanghai-Nanjing intercity equipment is related to the lives of millions of passengers.However,with the use of a large number of transformers,power electronic devices,and electrical equipment,as well as the special long-distance power transmission of railways,harmonics have become a major hidden danger affecting the safe operation of equipment.This article takes a fault in Shanghai-Nanjing intercity as an example to analyze The source of the harmonics of Shanghai-Nanjing intercity equipment and the hazards to lines,transformers,relay protection devices and communication equipment have been identified,and reasonable measures have been formulated based on actual conditions to reduce the impact of harmonics on equipment.

关 键 词：沪宁城际 谐波分析 谐波危害 谐波治理 

分 类 号：TM711[电气工程—电力系统及自动化]