【简答题】在使用电流互感器时,接线要注意哪些问题?
【简答题】A.The food spoiled. B.The group was shameful. C.The weather was bad. D.The program director wanted to have it on another day.
【单选题】The hotel was nice; the weather was warm; the beaches were beautiful. ____ I’d say it was a great vacation.
【单选题】电流互感器安装时应注意电流互感器二次侧线圈和铁芯()。
C.
必须可靠接地,二次侧允许开路和要求安装保险。
【简答题】电流互感器在接线时,要注意其端子的(__)
【简答题】在使用电流互感器时,接线要注意哪些问题?
【简答题】在使用电流互感器时,接线要注意些什么问题?
【单选题】The hotel was nice; the weather was hot; the beaches were beautiful. _______ I’d say it was a great vacation.
【多选题】在使用电流互感器时,接线要注意的问题有()。
A.
将测量表计、继电保护和自动装置分别接在单独的二次绕组上供电;
C.
运行中的二次绕组不许开路、二次绕组应可靠接地;