Answer / rituparna

Only one earthing pit is required

Answer / v g acholkar

minimum two copper earthing pits required for lighting arrester

Answer / d k j

for safty one or more earthing pit are required

can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

0 Answers   MCB,

---

List the materials required for Pipe Earthing.

2 Answers  

---

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

3 Answers  

---

IF we have 500kva transformer 11.0/0.415V, 50Hz. How to calculate the current on HT & LT side, how can we consider for its breaker (HT & LT both)? You are requested to solve the question herewith.

3 Answers   Bhutan Power Corporation,

---

What is difference between isolator and circuit breaker?

0 Answers  

---

How the capacitance og capacitor volatage transformer is decided?

0 Answers  

---

how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?

1 Answers  

---

PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

0 Answers   ABB,

---

what is sevice settings for mccb?How can be it setted?

0 Answers   Bhel, Minda,

---

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,

---

Can someone explain how does an IDMT relay works.

1 Answers   AFM,

---

Which Class insulation is prefered for the sandwich Busducts ? Why?

0 Answers  

---