Answer / yalelet

Base transceiver Station

how to decide choke rating for drive?

1 Answers   Reliance,

---

The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

---

wat is d diffr btw shunt coil and trip coil in VCB?

1 Answers   NTPC,

---

Why derating factor os applied on Cables?

1 Answers  

---

What is the effect of pi controller on the system performance?

1 Answers  

---

How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?

2 Answers  

---

What is the speed of electrical supply?

3 Answers  

---

who is make controlling in the reactive power that genarted in AS genrator(the exitaion currnt or exitation voltge)

2 Answers  

---

how to measure earth resistance of a substation

1 Answers  

---

Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?

1 Answers  

---

why cont we short earth and N.......?

3 Answers  

---

Why capacitor bank ratting Kvar?

1 Answers  

---