Answer / Ayus Shankhdhar

An Impulse Relay is used to protect electrical equipment from overvoltage events caused by lightning or switching surges. It operates on the principle that an impulse waveform has a much shorter duration than the time constant of the protected device, allowing it to detect and respond rapidly to such events.

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

1 Answers   ACC,

---

What is DC power factor??

2 Answers   HCL,

---

While elctrical load on DG,capacitor banks kept off why so? If capacitor banks on is their any effect DG?

4 Answers   IL&FS Infrastructure Leasing Financial Services,

---

we have one 75kw motor 380 volt 3ph amp134 please advise which size of cable required

2 Answers  

---

what is the value will come when megger the phase to phase ,phase to neutral ,phasae to ground ?

3 Answers  

---

please give me solution to rectify the emi(electromagnetic interference)

1 Answers   Powergear,

---

why distribution transformer is uesd in Delta/Star formation?is there any significance in doing this?If yes then breif?

3 Answers  

---

CAN ANYBODY EXPLAIN WHAT ACTUALLY MEAN BY THE PHASE DEFFRENCE? R,L,C CIRCUITS?

5 Answers  

---

wat is the difference between rotor 1st stage fault and 2nd stage fault?

3 Answers  

---

where we sense the fault from the transmission lines?any operation example for distance relay?rear panel connection for this relay?

1 Answers  

---

How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1 Answers  

---

State the methods of improving power factor?

1 Answers  

---