Answer / k.prakashchandra

A synchronous motor running on no load, draws a leading
current when over excited and hence acts like a
capacitor.Then it is called a synchronous condenser.Its
leading current partly neutralises the lagging reactive
component of the load resulting in improvement of power
factor.

What do you understand by external characteristics of a d.c. Generator?

0 Answers  

---

how harmonics are generated due to nonlinear load & how harmonic filters work?

1 Answers  

---

What are the various methods for effecive earthing in a factory in a rocky terrain, where soil resistivity is extraordinarily high? The usual method of 3 m deep earth pits is not serving the purpose.

4 Answers  

---

what is bus coupler? and how many type? which one is big advantage ?

2 Answers   Essar,

---

what is PDU in transformer?? which company manufacture??

0 Answers  

---

what is the difference between the diode and the rectifier

17 Answers   Avalon, L&T, Mahacol Trexim,

---

Can I use cable armour as a earth conductor? if not how many GI/CU wires I need to run along with cable?

1 Answers  

---

Explain What will happen when direction of field current is changed (i.e, field excitation is reversed) in the following machines? 1) Alternator 2) Synchronous Motor 3) D.C Generator ( Shunt or Seies ) 4) D.C Motor ( Shunt or Seies )

3 Answers   NTPC, Transco,

---

Is KCL applicable for close circuit?

2 Answers   Toto,

---

how work the lighting arrestor?

2 Answers  

---

what is the meaning for va and how it is generated

1 Answers  

---

explain in detail HV & LV bushing connection in power transformer (110 / 11 kv 16 MVA)

6 Answers   TNEB Tamil Nadu Electricity Board, wbsedcl,

---