Interested to Buy Any Domain ? << Click Here >> for more details...
how set earth fault over current in relay
- 5 Answers
- 17932 Views
- Jacobs, Reliance, I also Faced
- E-Mail Answers
Answer Posted / motilal sahu
WHEN EARTH FAULT OCCURE HIGH CURRENT FLOW THOUGH LINE.
IF THIS CURRENT IS 10-115 TIMES OF FULL LOAD CURRENT THEN
SHOW THAT EARTH FAULT OCCURE
SO SET THE RELAY FOR 10-15TIME OF FULL LOAD CURRENT
| Is This Answer Correct ? | 6 Yes | 10 No |
Post New Answer View All Answers
Is there any abbrevation for STUB in Stub bus protection
Describe the test procedure to determine the vector group
how does high earth to neutral voltage affect electronic equipment?
Determine the BTU size of an aircon for 20 sq metre room
For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?
Draw torque - speed curve and load curve of induction motor? mark operating point ?
What is thresh hold value of current?
specific difference of ICT&Auto Transformer
How to calculate VA rating for CT or PT or Control Transformer?
what things to be considered when designing UPS
What is Bolted fault?
what is the string efficiency
What is miller crystal oscillator? Explain its operation?
how to calculate transformer turn primary & secondary side 11kv to 420v
how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???
