Answer / k.prakashchandra

It is thick ,heavy and safer .There may be 11KV indoor breakers also .

Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

0 Answers   DT Technologies,

---

what happen to the voltage and current in all phases when an earth fault occur in a phase in three phase three wire system(delta connected)...

1 Answers  

---

what is the working process of over & under voltage relay.

0 Answers   NTPC,

---

a power supply to be constructed from voltage cells is required to provide Max. 20A Current with a terminal voltage of 6v.Several voltage cells are available each of which has terminal voltage of 1.5V & each of which can supply a max current of 5A .the no of cells required will be ??

5 Answers  

---

WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?

5 Answers  

---

---

can we find the inductance of a induction motor?

0 Answers   Trident,

---

please tell me formula of 3 phase induction motor under condition{1]when we 3 phase motor starts without load in star or delta connection?thanks

1 Answers  

---

Earth has zero potential then what would be the neutral potential ?

0 Answers   JLL,

---

how many types of Earth bits available

1 Answers  

---

what is tpdt

4 Answers  

---

while grounding the galvenized metallic structures is it necessary to remove the galvenization at the point of contact? Or other wise is the galvenizatio a good conductor?

1 Answers  

---

How to calculated capacitor rating both HT

10 Answers   Reliance,

---