Answer / ram

The use of VCB is to make and breaking of HT contacts in
switchgears.

Answer / narayanamoorthy.i

High Voltage Switch gear & arrested more Sparking & easy
Operating Safty Swtch gear.

Answer / sumit

in practice upto 33KV for quenching arc of current of about
1250 A

Answer / srinivasan

VCB is used Genererally in HT Side Because of economic
consideration and simplest operation to quench the ARC.
VCB is used upto range up to 11 kv and up to 1650amp.

some practicle study shows that the reactive power at the receiving end is not equal to the reactive power at the sending end.But according to theory the reactive power is exchanged by different parts of the network – capacitors and reactors permanently, but is never consumed or produced. Then Where that reacrtive power loss occuring?is there any formula to calculate reactive power loss?

3 Answers  

---

how rating of transformer is selected for any new plant/what kind of load is cosidered/what kind of fadtors are considered/ pz give standard procedure

2 Answers  

---

what is the cable capacity of any load wise .

2 Answers  

---

What is the function of stater in tube light circuit?

2 Answers   SysArc,

---

what is reactive power is it good or bad for a system

5 Answers  

---

How the electric train gets the supply of electricity? What is the return path of the current?

8 Answers   Siemens,

---

PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com

0 Answers   NHPC,

---

How Self works in DG set

0 Answers  

---

how fluoresent lamp works??

2 Answers  

---

will a transformer work when pulsating dc id applied to its primary?? what will be the result??

2 Answers   cemp,

---

How to select KW/HP rating of motor for particular application? Is there any relationship od RPM?

1 Answers  

---

What is thef ormula to calculate the rating of a capacitor for a single phase motor

2 Answers  

---