文档介绍：本科毕业设计说明书
600MW发电机组继电保护
学院:机电工程学院
专业:农业电气化及自动化
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摘要
此说明书为600MW发电机继电保护的设计说明。根据任务要求对两台QFSN-600-ZYH发电机组成的发电机组进行了短路计算。依照变压器参数选择出相应的电压互感器与电流互感器。根据发电机的容量和电压等级制定了保护方案并对各个保护设备进行了整定计算。保护方案有:纵差保护、横差保护、发电机失磁保护、复合电压启动的过电流保护、定子绕组对称过负荷保护、励磁绕组过负荷保护、过电压保护、发电机逆功率保护励磁绕组一点接地保护等。用AutoCAD制图软件绘制出了保护配置接线图。
【关键字】:发电机组;短路计算;继电保护;整定
Abstract
This specification is 600MW generator relay protection design. According to the requirements of task of two QFSN-600-ZYH generator generating set consisting of a short-circuit calculation. According to the parameters of the transformer to choose the appropriate voltage transformer and current transformer. According to the capacity of the generator and the voltage developed protection scheme and the protection equipment for the setting calculation. Protection schemes are: longitudinal differential protection, the transverse differential protection, the loss-of-excitation protection of generator, compound voltage over current protection, overload protection, symmetrical stator winding excitation winding overload protection, over voltage protection, the excitation winding of generator reverse power protection for one point grounding fault protection. Use AutoCAD to map out the protection configuration wiring diagram.
[ Key words ]: generator;short-circuit calculation;relay protection;setting
目录
第一章 绪论 1
1
1
1
2
3
4
4
第二章系统参数计算及短路计算 5
5
5
6
8
9
9
9
10
10
11
第三章发电机保护的配置及整定计算 12
12
12
13
15
17
17
17
18
18
18
100%保护区的定子绕组单相接地保护 19
22
22
22
3.