Why grables are put in substation?

1 Answers  

---

Why only 1 CVT in Y-phase is used for synchronization in 3 phase power system?

1 Answers   Reliance,

---

why ht motors are connected in star?

1 Answers  

---

what will happen when square wave is fed into input side of 3kva transformer and what you will get on output side.

3 Answers   Blue Star,

---

how to measure the A.C flux .-instrument

8 Answers   NTPC,

---

why a pilot exciter is used in combination with the main exciter? why not only a main exciter is used for excitation to an alternator?

1 Answers   Electrical,

---

Why only 1ph,2ph,3ph supplies are universally used?? Why not 4ph or 5ph??

4 Answers  

---

why we use to transmit the power in three phases intead of single phase ?

4 Answers  

---

A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?

0 Answers  

---

I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

0 Answers   Crew pvt ltd,

---

tan delta test of current transformer.

3 Answers   NTPC,

---

374kvar capacitor bank connected across 600kw,6.6kv motor.what will happen if motor run at 50% , whether full kvar applied or half?

1 Answers   NTPC,

---