Answer Posted / sunitsaini@interview.com
bcoz due to foggy weather the ions around the conducter can
produce the arc and corona losses are also increase in these
conditions
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
what is the role and fuction of automatic transfer switch in rotary ups
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
Connection diagram for KW meter and Kva meter
How does a digital electronic meter work??????
How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?
What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.
What is the necessary and sufficient condition for stability.
Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?
why we can use 1 to 5V dc
What is the function of capacitor in electrical circuits?
what will happens if one phase is missing for 33/11kv power transfomer and why?
Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?
What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.
Explain how you decide what size of electrical wire do you need?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?