Civil Engineering Online Forum \ electrical engineering \ relay protection \ Single phase grounding protection

Single phase grounding protection

Published on: April 27, 2013 09:17:27 come from: electrical engineering / relay protection [Copy and forward]

The power supply side of the 7000KW asynchronous motor is a star type small current system. What criteria do you use for single-phase grounding protection?

zero People have collected
zero People have rewarded
Free Admission
zero People liked
share

Copy Link Sina Weibo Scan WeChat

report

"Electrical Introduction Course" series courses

Total value of the program: ¥ 1123

Open a super member and learn all the following courses for free

¥149.00

¥189.00

¥149.00

¥189.00

Reply All （15 ）

Just look at the owner Let me say something

wzhq802 sofa

Zero sequence current also exists

2024-02-27 16:59:27
reply report
agree with zero
electricity Bench

Zero sequence voltage opening triangle, setting value

2023-12-22 13:46:22
reply report
agree with zero

Related recommendations

j43759376

This guy left nothing...

theme

one

three

fans

zero

+Attention private letter

relay protection

Back to section

73200 items · 419 subscribers

Guess you like it

Read the next article

Help, 10KV switch tripping in 35KV substation

A 10KV outgoing line from a 35KV substation is equipped with a post mounted vacuum switch on the 1 # pole at the outlet. During the power transmission process, when the outdoor post mounted switch is open, the switch in the cabinet is closed, and then the outdoor post mounted switch is closed, which will cause the switch in the indoor switch cabinet to quickly break. The line has not yet failed, and the post mounted switch needs to be closed several times before the line can be sent out. Can you answer this question? Online......

Return to the home page of Civil Engineering Online Return to the homepage of the forum