某援外港口项目孤岛重油发电站供电系统继电保护计算  

Calculation of Relay Protection for the Power Supply System of an Island Heavy Oil Power Station in a Foreign Aid Port Project

作　　者：李云涛 Li Yuntao(Shandong Gangtong Engineering Management Consulting Co.,Ltd.,Yantai 264000,China)

机构地区：[1]山东港通工程管理咨询有限公司,烟台264000

出　　处：《智能建筑电气技术》2023年第3期41-43,58,共4页Electrical Technology of Intelligent Buildings

摘　　要：针对小容量重油发电站发电、企业自用的小型发电-供电系统的变压器投入方式、继电保护计算进行研究,采用零起升压投入、以灵敏度反算动作电流的方法,进行继电保护的整定计算,计算过程中采取了部分与以往继电保护整定过程不同的思路,实现了电力设备的安全投入和运行,为类似孤网供电项目继电保护整定计算提供参考。A study was conducted on the transformer input method and relay protection calculation for small capacity heavy oil power plants and small power generation power supply systems for enterprise use.The setting calculation of relay protection was carried out using the method of zero start boosting input and sensitivity reverse calculation of action current.During the calculation process,some different ideas from previous relay protection setting processes were adopted,achieving the safe input and operation of power equipment,Provide reference for relay protection setting calculation of similar isolated power supply projects.

关 键 词：重油发电站 继电保护计算 励磁涌流 零起升压法 

分 类 号：TM771[电气工程—电力系统及自动化]