what is the difference between control transformer and Potential transformer (PT)?

1 Answers  

---

77 In constant power region of 3-phase IM torque-speed characteristics, the torque is proportional to A speed B slip C 1/speed D 1/slip

1 Answers  

---

what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

1 Answers  

---

WHAT HAPPEN IF LT SUPPLY 415 V FED TO THE HT 3.3KV MOTOR

1 Answers  

---

Which Kind of machines(in terms of poles) give the smoothest DC

0 Answers  

---

What is meaning of star delta connection / delta star connection and which one is best and what is the advantage?

0 Answers  

---

Enlists the applications of sampled data systems?

0 Answers  

---

how dc generator produce voltage initially?

1 Answers   Bisleri,

---

how to find out three phase motr kw with out name plate..

2 Answers  

---

in an industrical wiring, why we are using lighting DB and Power DB separately?

3 Answers  

---

Generally In transformer Tap Changer on HT side, but I have seen in 66KV side in 220/66 KV, 100 MVA, Areva make transformer. Why ?

7 Answers  

---

why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?

0 Answers  

---