Answer Posted / gunasekaran

if it is balance or receiving end we don't want earth it
because source end already earthed.if it is source end
neutral should be earthed why because earth fault current
getting closed bath we can using earth fault protection if
it is high voltage system with out neutral earthing
resonance will be occur so we have do to the earthing at one
end

how will we calculate the copper wire load..

1926

---

HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1924

---

why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

2791

---

I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1800

---

what curve and rateing would you use for a three phase 0.75kw motor?

1986

---

# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in

1999

---

where solid grounding and where grounding through ngr done and why?

2568

---

hi if anybody got model questions for cpcl Grade'A' electrical engineer position.send it to my mail please krishkumar22@gmail.com

1997

---

Why 1/3 is used in symmetrical components?

1839

---

Why PS class CT is always preferred for Differential protection?

1595

---

why the carbon brushes are broken in srim while the motor runningtime

1704

---

Why negative feedback is preferred in the control system?

1254

---

Could you measure voltage in series?

1266

---

what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

2352

---

what is meant by 2 within a star in a voltmeter dial?

2057

---