Answer Posted / vijay

In india,alternator terminal voltage is3.3kv then through the transformer it is step up to 11kv and given to the plant substation and there it is made 33,66,132kv according to the grid voltage.

define superposition theorem thevnin theorem ,norton theorom?

2455

---

how could we know the size of cable by physical view?

1673

---

why the India electrical supply transmission loss is high when compare to us

2034

---

what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?

2167

---

Why an ac systems are preferred over dc systems?

1156

---

how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

2885

---

apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

2226

---

i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

2388

---

Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

1866

---

how open delta PT works & what is its construction?

2304

---

what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

2402

---

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1920

---

i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

1456

---

describe the Operation of induction generators from bus bars

2375

---

how many parameters can integrate with fire alarm basically ?

2021

---