Answer / krushna ch sahoo

generaly the comparision made for
capacitive losses.in over head line
ground to line capacitance is taken
account but in under ground line to
line capacitance is taken for
calculation

In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 Answers  

---

could any one explain me what power factor and where it is use ful

3 Answers  

---

Differentiate between digital phase converter and ordinary phase converter.

0 Answers  

---

what are the ''pitting rings''and how cn they be controlled in a series generator

0 Answers  

---

pls tell me function of closing coil of A.C.B.

0 Answers  

---

1. what is the power factor of a purely inductive load? 2. Which type of transformer connection is preferred in case of power supply transformers? 3. In power transformer usually which winding is closer to the core? 4. what will happen to the generated emf if the no. of poles of an alternator is increased?

5 Answers  

---

What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?

0 Answers   Welspun,

---

what is the meaning of the symbol << >> put in transformer drawing

0 Answers   TATA,

---

in dc machine airgap is there b\w stator and armature but by conduction emf is generated how & what is conduction

1 Answers  

---

How to control the dc motor in ac supply without thyristor circuit?

2 Answers  

---

how much resistence in proper earthing?

5 Answers  

---

What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

0 Answers  

---