WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?
Answer Posted / balaji venkata kumar
Due to the ionization of gas near to the conductors lines
makes the corona effect.Due to corona effect only the sound
is coming on HT lines.Not only sound,conductor lines are
looks like flame blue in colour.The sound is otherwise
called as hissing noise.
| Is This Answer Correct ? | 4 Yes | 2 No |
Post New Answer View All Answers
For high frequency application we use which transformer?
what is meant by skew width in machines?
what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?
Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.
who many types of fire explane with exmple
what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?
Which test will be more severe for VCB?
what are the 4 rules to start the motor?
we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer
please explain how to do 'pole drop test' on generator?
What is difference between isolator and circuit breaker?
WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.
What is resolver and glass scale in CNC how they work?
what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?
1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.