GR(groundrelay:地落继电器)50地落继电器是机器的内部或电路发生地落的情况检出映像电流启动的继电器与检查映像电流的ZCT相组合使用。普通1次200(mA)2次1.5（mA）上启动 SGR(selectivegroundrelay:选择性地落继电器)50检查非接地系统的排线地落事故只选择事故电路并切断的有选择方向性的继电器地落事故时检查继电器设置...
The earth current ig being the residual current flowing through a cable is detected by a grip type ZCT 5 and detected by an ammeter 6. The current values of the ammeters 4, 6 are inputted to an operation circuit 7. Predetermined operation {i0=(ig<2>+i1i2)<1/2>} is performed by...
The earth current ig being the residual current flowing through a cable is detected by a grip type ZCT 5 and detected by an ammeter 6. The current values of the ammeters 4, 6 are inputted to an operation circuit 7. Predetermined operation {i0=(ig<2>+i1i2)<1/2>} is performed by...
2023年9月4日 为什么现在当兵越来越难了 首先,社会变迁是导致当兵越来越难的重要原因之一。随着社会的发展,人们的生活水平不断提高,对于物质享受和个人自由的追求也越来越强烈。相比之下,军队生活... 网易 为什么当兵越来越难?当兵的途径有哪些? 2022年9...
赵仁学目前担任安徽百立工程科技有限公司、合肥森彻建筑装饰材料有限公司法定代表人,同时担任安徽百立工程科技有限公司财务负责人,执行董事兼总经理,合肥森彻建筑装饰材料有限公司执行董事兼总经理;二、赵仁学投资情况:赵仁学目前是合肥森彻建筑装饰材料有限公司直接控股股东,持股比例为80%,是安徽百立工程科技有限公司直接...
OVR (over voltage relay :OVR (over voltage relay :过电流继电器过电流继电器) 5) 59 9超过一定的电流就将负荷切断的继电器一般电气一般电气4GR (ground relay : GR (ground relay : 地落继电器地落继电器 ) 50 ) 50地落继电器是机器的内部或电路发生地落的情况检出映像电流 启动的继电器与检查映像电流的ZCT...
The earth current ig being the residual current flowing through a cable is detected by a grip type ZCT 5 and detected by an ammeter 6. The current values of the ammeters 4, 6 are inputted to an operation circuit 7. Predetermined operation {i0=(ig<2>+i1i2)<1/2>} is performed by...
The earth current ig being the residual current flowing through a cable is detected by a grip type ZCT 5 and detected by an ammeter 6. The current values of the ammeters 4, 6 are inputted to an operation circuit 7. Predetermined operation {i0=(ig<2>+i1i2)<1/2>} is performed by...
The earth current ig being the residual current flowing through a cable is detected by a grip type ZCT 5 and detected by an ammeter 6. The current values of the ammeters 4, 6 are inputted to an operation circuit 7. Predetermined operation {i0=(ig<2>+i1i2)<1/2>} is performed by...
最佳答案: 今年大学在校生很难走兵。在校大学生当兵难度越来越大原因:1、在校大学生虽然属于大学生,但是国家征兵的重点是毕... 更多关于现在当兵难吗的问题>> 百度知道 女生当兵有多难 - 百度知道 1个回答 - 回答时间: 2023年2月3日最佳答案: 女生当兵...