Answer / joel obrador

Circuit Breaker/ Fuse/ Thermal Protection

Answer / n k parmar

isolator,fuse,earthing,olr,o/c,ov,uv

Answer / srikanth

rectifire

for a 33/11kv transformer, after step down what happens to the balance 22kv.

2 Answers  

---

if field winding of synchronous generator are shorted on each other will it start or burn or run for short time like induction motor

1 Answers  

---

what is a difference b/w earthing & neutral?

5 Answers   ABB, KEC, Sterlite,

---

Rotor is taken away from three phase induction motor and three phase supply is given to the stator.What will happen?

9 Answers  

---

Why use prefer Dc drive in place of Ac drive for kiln Operatio in Cement Plant?

4 Answers   Orient,

---

If 110 volts ac is mixed up ith 12 volts dc what will be the resultant voltage and what is the wave form?

1 Answers  

---

Dear Sir, we met a disaster with our 62.5 kva genset, after rewinding we informed by our contract engg that due to return current coming in neutral & impropper earthing this happend. But after all set up & load balance we checked & found again we have about 20 to 32 amp return current on neutral. we have 12 airconditioner + 12 mini fridge on single phase line. Pl suggest any idea to solved this problem

3 Answers  

---

What are the essential characteristics of signal flow graphs?

0 Answers  

---

what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.

3 Answers   BEL,

---

what is the value of combined earthing in general electrical circiut?

0 Answers   Cathtect Engineering,

---

why we test the core balance of the transformer?

1 Answers  

---

Why line VTG = √3 phase VTG in star? How?

0 Answers   Endurance International Group, Infosys,

---