WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES?
Answer Posted / kathirvel.r
Huming sound occured in HT AC Transmission only,Not in Dc
Transmission.Because, Corona Effect occured onlly for
AC.May i correct.
| Is This Answer Correct ? | 4 Yes | 2 No |
Post New Answer View All Answers
Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss
How cable from Kit-Kat to main switch, from starter to motor are designed?
what is the reactive power what is the use of it in system
dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.
I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.
How out of step protection relay works?
can any one suggest paper presentation topies for electrical engg?
Atwhat condition reverse power relay will act?
what is Fault level? why it is calculated? how will u decide same for our plant?
WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?
What is difference between isolator and circuit breaker?
The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is
Any Electrical Engineering jobs?Please refer for interviews. Thank you
Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet
how to calculate energy of 3-phase motor?