Answer / amantaraon

for equipments and person safety

I have 800 Amps MG Fix type breaker It is in on line & it has been given only UV (under voltage)coil connection for tripping purpose.now it is not working properly means its getting tripp so how can i replace it or how can i rectify the problem without destrubing my load??????????

2 Answers  

---

For household Load of 11Kw supplying 5Nos. 1.5 ton Air conditioners + usual other load what shall be rating of Either ELCB Or ELMCB? Which of the circuit breaker will be a better choice?

2 Answers  

---

what is mean impedance?

7 Answers   ONGC, Wipro,

---

an ac induction motor gets overheated when operated at a low frequency of 25 hz a instead of 50 hz. reason?

1 Answers  

---

why DG sets power factor is 0.8 lagging.

1 Answers   Cummins,

---

What is meant by Resonance what are the different types of resonance and what are uses of them?

14 Answers   Infosys, NTPC,

---

Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

1 Answers   IFFCO,

---

Define ohm’s law for a.c (alternating current)?

0 Answers  

---

Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?

0 Answers  

---

what is the difference b/w circuit breakers and relays?

3 Answers  

---

The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

0 Answers  

---

Why CT's shall not be kept open?

5 Answers   ABC, Qatar Gas, TIPL,

---