why secondary of transformer always grouded?

1 Answers   IIUC, Sodexo,

---

what is the principle of operation of domestic fan?? what is the role of capacitor in it??

5 Answers  

---

Is necessary Protection CT, CLASS - 5P10 fitted at Incomer side of main Breaker ? Why ?

1 Answers  

---

from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?

0 Answers  

---

Wat is meant by OLTC?

1 Answers  

---

RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?

0 Answers  

---

what is 30-phase of transformer

0 Answers  

---

1.where in India the maximum transmission voltage is operated? 2.what the methods are used to cool down the transformer?give the specific ratings of the transformer & specific cooling process. 3.how zero & negative sequence reactances are formed in a rotating machine when fault occur in the system?

2 Answers   IES,

---

How many types of faults are there in 3 phase power system?

0 Answers  

---

What is the full form of SON-T lamp?

1 Answers   HAL,

---

Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 Answers  

---

differnce between single acting and double acting solenoid valves

0 Answers  

---