Answer / owais

dear first u do calculate you load in watt and then u do
find amp with the help of voltage in the end u have total
amp and your breaker 20% extra

Answer / r k choudhary

first u have to know the input voltage then calculate the
ampere. then suggest the VCB standard rating as per
manufacturer.

how is working d.c amps meter?how to connect the dc ammeter inthe circuite?

2 Answers  

---

describe the Tranformer testing procedure

0 Answers  

---

why we use core type and shell type transformers?

2 Answers  

---

can we run AC & DC cables in same tray

1 Answers   Aurobindo,

---

all 3 current transformers (C.T) are burnt in a L.T Panel - what are the possible reasons

5 Answers  

---

what is buffer resistance starter.?.What is the working principle and where it is used..?

0 Answers  

---

How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

---

what is the difference between multimeter and megger?

3 Answers   Bhel, Metro,

---

what is diffence between synchronus and asynchronus AC motor.?

1 Answers  

---

what is feeder bay?

0 Answers  

---

why ground cannot be used as neutral as ground also provides close path for current flowing ?

3 Answers  

---

we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.

0 Answers  

---