Research and Application of a Dual Power Automatic Switching Ring Main Unit

WANG Jinfang; WANG Wanting; ZHU Bo; LIU Huamin

doi:10.13296/j.1001-1609.hva.2017.07.032

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Research and Application of a Dual Power Automatic Switching Ring Main Unit

更新时间：2025-04-26

- Research and Application of a Dual Power Automatic Switching Ring Main Unit
- High VoltageApparatus Vol. 53, Issue 7, Pages: 199-204(2017)
- 作者机构：
  
  1. 温州开元集团有限公司
  2. 杭州恒信电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.07.032
  CLC： TM643
- Published：2017
- 稿件说明：
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[1]王金方,王万亭,朱波,刘华民.双电源自动投切环网柜的研制与工程应用[J].高压电器,2017,53(07):199-204.

WANG Jinfang, WANG Wanting, ZHU Bo, et al. Research and Application of a Dual Power Automatic Switching Ring Main Unit[J]. High voltageapparatus, 2017, 53(7): 199-204.
[1]王金方,王万亭,朱波,刘华民.双电源自动投切环网柜的研制与工程应用[J].高压电器,2017,53(07):199-204. DOI： 10.13296/j.1001-1609.hva.2017.07.032.

WANG Jinfang, WANG Wanting, ZHU Bo, et al. Research and Application of a Dual Power Automatic Switching Ring Main Unit[J]. High voltageapparatus, 2017, 53(7): 199-204. DOI： 10.13296/j.1001-1609.hva.2017.07.032.

摘要

配电系统双电源自动投切环网柜就是一种能够在两路电源（常用电源与备用电源）之间进行可靠切换、以保证连续对负载供电的环网柜

当对常用电源检测到异常（欠压、过压、断相和失压等）时

双电源自动投切环网柜能自动切换到备用电源

使负载快速恢复供电。文中介绍了基于XGN15-12（F）/T630-20负荷开关柜研制的一种双电源自动投切环网柜

首先介绍了浙江省电力公司"三双"接线模式对柜内配置的要求;其次

阐述了环网柜双电源自动投切的基本接线、系统构成、电气和机械闭锁原理以及自动投切装置的工作原理和技术路线;然后

分析了实际工程应用中出现的问题并提出了改进措施。产品投运2年多

运行正常

没有出现误动现象

说明双电源自动投切环网柜可实现无人值守条件下快速的故障诊断、故障切除和备自投

提高了供电恢复速度

缩短停电时间

提高了供电可靠性。

Abstract

The dual power automatic switching ring main unit of distribution network can switch reliably between two sources（common power and standby power）to ensure continuous power supply. When the abnormal common power is detected（undervoltage

overvoltage

phase failure and loss of voltage）

the dual power automatic switching ring main unit can automatically switch to standby power to rapidly recover the power supply. This paper presents a dual power automatic switching ring main unit based on XGN15-12（F）/T630-20 load switch unit:Firstly

the configuration requirements for wiring are stated;Secondly

the wiring

configuration

principle of electrical and mechanical locking and principle of automatic switching devices are analyzed;Then

the issues and measures involved in application are discussed. Finally

the two-year operating experience show that

the double power supply automatic switching ring main unit can realize fast fault diagnosis

fault clearance and stand-by switch automatically in unattended condition

which greatly improve the power recovery rate

shorten the pow-er outage time

improve the reliability of power supply.

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