Answer Posted / vishnu g pillai

A ring main can be defined as an electrical supply serving a series of consumers that returns to the original source, so that each consumer has an alternative path in the event of a failure. It's also an arrangement of pipes forming a closed loop into which water, steam or sewage may be fed and whose points of draw-off are supplied by flow from two directions.

How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

2014

---

Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

1906

---

How to decide DO set rating of Transformer?

1609

---

what is the difference between dry and wet type of 132kV terminations. which one is durable

1947

---

what is working process of star delta controlling circuit ?

1825

---

How can we increase the capacity of Energy.?

2226

---

Explain marx circuit.

1276

---

what is the thumb rule for determination resistance of resistor?

2258

---

why does the magnetic balance tests at transformer?

1899

---

how to test reverse power trip?

4418

---

Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1789

---

how to select correct size of power cable for inverter duty motor

1506

---

IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

4009

---

What is difference between safe PLC and normal PLC

1530

---

How to know vacuum in vacuum cylinder of breaker in working condition

1895

---