How vfd saving power.

0 Answers  

---

what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

0 Answers   Reliance,

---

why there is a 2 slits in three pin's earthing pin?

1 Answers  

---

PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL

0 Answers  

---

What is the difference between MCCB & MOCB?

1 Answers  

---

hot water tank,top element 240v across,the bottom 120v across,why?

1 Answers  

---

i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

0 Answers   SCM,

---

A 30KW motor running at 1450 rpm draws 56A, how would you determine if this is correct or not?

3 Answers  

---

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

0 Answers  

---

why star connected transformers used in tneb?

1 Answers  

---

how calculate the current faut level

2 Answers   ABB,

---

what is meant by slip & where its occur ?

5 Answers   Lanco,

---