问题
填空题
在大接地系统中发生接地故障后,会有()、()和()出现,利用这些电气量构成保护接地短路的继电保护装置统称为()。
答案
参考答案:零序电流;零序电压;零序功率;零序保护
在大接地系统中发生接地故障后,会有()、()和()出现,利用这些电气量构成保护接地短路的继电保护装置统称为()。
参考答案:零序电流;零序电压;零序功率;零序保护
改错题。 | |
1. Each of the students in our class have an English-Chinese dictionary. 2. We don’t go to school in Sunday. What about you? 3. Sometimes we practise playing the volleyball after school. 4. Thank you very much for organize the class trip. 5. —What are the exciting news? —The Chinese Basketball Team won the gold medal at the Olympic Games. | __________ __________ __________ __________ __________ |