【Joint Study*】【Electrical Version 20160225】

2016-02-25View Original

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This post was last edited by hesonchang214 on 2016-3-23 07:05. Reward for participation: 2 Wealth. Reward for correct answer: 9 wealth. In a system with low ground current, the voltage in the open delta of the busbar voltage transformer when a single-phase ground fault occurs somewhere. ( )　　a. The closer the fault point is to the busbar, the higher the voltage. 　　b. The closer the fault point is to the busbar, the lower the voltage. 　　c. Regardless of the distance, the voltage remains roughly the same. Correct answer: C

Reply #22016-02-25

c. Regardless of distance, the voltage remains essentially the same

Reply #32016-02-25

c. Regardless of distance, the voltage remains essentially the same

Reply #42016-02-25

c. Regardless of distance, the voltage remains essentially the same

Reply #52016-02-25

c. Regardless of distance, the voltage remains essentially the same

Reply #62016-02-25

c. Regardless of distance, the voltage remains essentially the same

Reply #72016-02-25

In a system with low ground current, the voltage in the open delta of the busbar voltage transformer when a single-phase ground fault occurs somewhere. (A) a. The closer the fault point is to the busbar, the higher the voltage. b. The closer the fault point is to the busbar, the lower the voltage. c. Regardless of the distance, the voltage remains essentially the same

Reply #82016-02-25

In a system with low ground current, the voltage in the open delta of the busbar voltage transformer when a single-phase ground fault occurs somewhere. (C) a. The closer the fault point is to the busbar, the higher the voltage. b. The closer the fault point is to the busbar, the lower the voltage. c. Regardless of the distance, the voltage remains essentially the same

Reply #92016-02-25

In a system with low ground current, the voltage in the open delta of the busbar voltage transformer when a single-phase ground fault occurs somewhere. (c) a. The closer the fault point is to the busbar, the higher the voltage. b. The closer the fault point is to the busbar, the lower the voltage. c. Regardless of the distance, the voltage remains essentially the same

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