Interested to Buy Any Domain ? << Click Here >> for more details...
In 400KV Switchyard, we have used Circuit Breaker With PIR,
what is the significance of PIR & why they'r used?
- 2 Answers
- 20738 Views
- I also Faced
- E-Mail Answers
Answer Posted / t r sastry
PIR - Pre-insertion resistor
PIR is used for safe handling of the transients in EHV
switching operations. PIR will be active only for few milli
seconds during switching after which it will be out of
circuit
| Is This Answer Correct ? | 8 Yes | 3 No |
Post New Answer View All Answers
If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link
while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?
what is the eight bit unit?
by what factor the starting current is used when comparing star and delta connection for motor starting?
If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!
what is the meaning of impedance protected in instrument cooling fan
Discuss the effect of sudden loading of an induction motor
what is the difference between directional & non directional earth fault with example please explain.
How to decide whether A / B / C / D curve type MCB should be used?
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
can u tell me the promotion from oiller to enginer
What are the special cables required for explosion proof wiring?
in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?
What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??
how to calculate current and voltage in a same circuit?
