Answer / raghavendran.r

Max short ckt current can be found out by formula...

Isc = fault MVA/[Nominal Sys. Voltage]

fault MVA = System MVA/[p.u.Impedance]

How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

0 Answers  

---

how electical engineer is related to apsrtc (general) post? if they ask a question in interview as why did u choose this job what shd be answer

0 Answers  

---

why C.T protection required for H.T.lines?

4 Answers  

---

why the field winding of synchronous machine is excited by dc source

2 Answers  

---

What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

0 Answers  

---

What is the difference between AC Drive and VFD?

10 Answers   ITC Infotech,

---

Double Busbar Scheme for outdoor switch yard system (132kv) step up power plant Hi friends 1. in this system both busbars energized all the time. 2. what is the meaning of main BB and transfer BB, 3. step up transformer connect main bus bar all the time or both BB connected through DS switch . 4.bus sectionalization means ? thank you.

1 Answers   ABC, Gael,

---

why transmission voltages are in multiple of 11kv?

10 Answers  

---

a power supply to be constructed from voltage cells is required to provide Max. 20A Current with a terminal voltage of 6v.Several voltage cells are available each of which has terminal voltage of 1.5V & each of which can supply a max current of 5A .the no of cells required will be ??

5 Answers  

---

what is difference between KW and KVA

1 Answers  

---

BRIEFELY EXPLAIN MEGGAR PRINCIPLE

2 Answers  

---

4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 Answers  

---