Answer / harikesh yadav

#1 ELCB
#2 UB RELAY
#3 OVER VOLTAGE RELAY
#4 REVERSE POWER
#5 OVER CURRENT RELAY
#6 SHUNT RELAY ETC.

Answer / kedar bhavsar

#1 ELCB
#2 UB RELAY
#3 OVER VOLTAGE PROTECTION
#4 UNDER VOLTAGE PROTECTION
#5 PHASE SEQUENCE
#6 EARTH FAULT PROTECTION
#7 REVERSE POWER PROTECTION
#8 OVER CURRENT RELAY
#9 SHUNT RELAY ETC.

Why the core of a underground cable is spiral in shape instead of straight??

3 Answers   Mecon,

---

Can i connect all earth pits in ring system..., And wat IS 3043 says...please help me

1 Answers  

---

Why control of DC motor is simpler?

0 Answers   BARC,

---

What is C check in a diesel generator and what are parts and what has to be done during the C check

4 Answers  

---

Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?

0 Answers  

---

---

why current transformer secondary is short circuited an what will happen if connect very high resistance acrossthe secondary side of current transformer?

1 Answers   NPCIL,

---

Why HT cable have only 3 core ?

10 Answers   Jindal, McDermott,

---

what is the load amp for 1 HP 3 phase Motor ?

15 Answers  

---

how the length effects the ampacity of the cable? if a cable is carrying a current of 100A for 50m length then what will the effect on current if we double the length?

2 Answers  

---

How the over load setting for HT Motors calculated-provided in Numerical Relay

0 Answers   Damodar Valley Corporation,

---

in 132kv substation CRT means

0 Answers  

---

how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test.

1 Answers   CPCL,

---