首页/ 题库 / [单选题]能反应发电机定子绕组开焊故障的保护是的答案

能反应发电机定子绕组开焊故障的保护是

单选题
2021-09-01 20:45
A、纵差保护
B、单继电器式横差保护
C、零序电流保护
D、零序电压保护
查看答案

正确答案
B

试题解析

相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

发电机负序过电流保护是反应定子绕组电流不对称,而引起( )过热的一种保护。
能反应发电机定子绕组开焊故障的保护是
发电机的横差保护主要用于反应发电机定子绕组的匝间短路故障
发电机定子绕组匝间短路保护兼反应什么故障?
发电机的完全纵差动保护可以反应定子绕组的匝件短路故障
横差保护是反应发电机定子绕组的()短路的保护
横差电流保护,反应发电机定子绕组的()短路。
发电机定子匝间保护由()电压和故障分量负序方向判据构成,作为发电机内部匝间、相间短路以及定子绕组开焊的主保护.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
发电机定子接地保护是发电机定子绕组及其引出()。
在发电机定子接地保护中,若零序电压取自发电机中性点侧电压互感器二次,则该保护只能反应定子绕组的单相接地
翻译:With Average or With Particular Average(WA or WPA)()
广告位招租WX:84302438

免费的网站请分享给朋友吧