As the one point of eac phase winding is connected to each other in satr connction. Even if that at distribution side collesion of two diff phases result in to blast. Why?

1 Answers  

---

A 400KVA ,50HZ TRANSFORMER IS TO BE OPERATED AT 50HZ.THEN KVA RATING OF THE TRANSFORMER?.

4 Answers   GATE,

---

how much current capacity 250 amp. mccb please tell me about whats are the reasons to trip 2 or 3 times in a night. and what are the steps to short out this problem

1 Answers   Havells,

---

What is the minimum percentage of power that a powerplant can support in ilanding mode ?

1 Answers  

---

what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

0 Answers   NTPC,

---

why we use 110vac in overhead crains? why not 220v, 24v

3 Answers   SOFT,

---

How can we explain that what is the power factor?

5 Answers  

---

when we catch any one of the phases with our both hands in air(without touching ground),our body acts as a conductor.is it correct.please clarrify it.

4 Answers  

---

What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?

3 Answers   IOCL,

---

which sub is most horrible in four yr degree

2 Answers  

---

What could be the problem if two power transformers trip on stand by earth fault at same time

1 Answers  

---

What is open delta Xformer? It's adavntages & Use?

0 Answers  

---