How does ELCB work when exist earth foult? and How does RCCB work when exist earth foult?

1 Answers  

---

why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

0 Answers  

---

What do u mean by Line voltage Monitor?Where it is used in a Power system?

2 Answers  

---

Waht is Inductor?

2 Answers  

---

how can i change the rotation of the AC single phase induction motor and show me by diagram

0 Answers  

---

how the ac voltage are selected like 220v,415v,750v,1000v& 1.KV,6.6KV,11KV,33KV,66KV,132KV,220KV & why these are selected like these orders

2 Answers   Jindal, JSW,

---

Why Transformer in KVA?

41 Answers   APCPDCL, Apollo Power, College School Exams Tests, Electrical Tech, Hitech, HP, L&T, MDL, Oil and Gas Jobs, TATA,

---

WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

---

can we say current flows inside an atom as electron moves inside an atom?

7 Answers   Vedanta,

---

What is dynamo?How it works and what is the function of dynamo in a DG.

0 Answers  

---

WHAT IS THE THUMB RULE FOR DECIDING THE CURRENT RATING OF COPPER WIRES SAY 2.5/4/6/10 MM SQUARE SIZES??

14 Answers   Dubai Group, Saudi Delta Groups, Savitha Electricals,

---

why battery is connected in series?

10 Answers   HP,

---