why overload relay is not tripped at time of starting of motor allthough staring current is too high?

5 Answers   TATA,

---

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

0 Answers  

---

Is there any Institution (Not AMIE)for giving B-Tech/M-tech in Electrical engineering for those who r in service? Give the details please.

2 Answers  

---

If connected load of Asphalt plant is 375Kw. What suitable KVA DG set is required. What is calculation formula. what extra load have to consider. in what efficiency it will work.

8 Answers   MAHINDRA,

---

What should be the dielectric strenght value of transformer oil of 11/0.433KV distribution transformer and 33/11KV tranmission transformer ?

2 Answers  

---

kindly arrange to send me RRB Bangalore previous question paper for JE/Electrical and JE/Signal I am going to write exam on 2010

2 Answers  

---

Is it mandatory statutory requirement of transformer oil filtration annualy despite oil is withstanding required dieelectrical strenth and all others parameters

5 Answers  

---

difference between ordinary MCCB & Motorised MCCB

4 Answers  

---

1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be

0 Answers   KNJ,

---

What is the difference between Isolator & Load Break Switch?

7 Answers   Infotech,

---

May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

0 Answers  

---

how to find the transformer neutral copper earthing size 

1 Answers  

---