Answer / dhiren

lighting arrester is always depends on its hight

covering area= 1.5 * hight of pole

for example , hight of pole is 10m then it can cover
15m area

Answer / ssreenu

Thank you.

Answer / muhammad ashraf

lightig arrester is not depends just on its hight

it is depend on angle around the LA

ANGLE IS 60 DEGREE

so LA coverd he area around 60 degree of top to bottom.

Answer / skumar

It is depends upon your LA spikes. In my career i saw 30, 60
and 90m peripheral area.

Answer / sanjay

a LA can cover around 10m only

how we can to the synchronization in transformer. What are the conditions for that.

1 Answers  

what is the difference between brush & brushless dc motor explain its operation ?

1 Answers  

what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

1 Answers   KSEB,

The series field winding has low resistance while the shunt field winding has high resistance. Why?

0 Answers  

How the value of KVAR of capacitor bank used in switchgears calculated??

2 Answers  

Why transformer neutral earthing? What is advantages?

3 Answers  

what is a diffrence between MCCB, RCCB, MCB, & ELCB ? what is rated current e.g. on motor name plate indicated that is rated curent? what is full load current? If we run D.C. motor with mechanical coupling and we measure voltage on terminal it shows voltage or not ? same in AC also possible ?

5 Answers   Reliance,

which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

0 Answers  

If i switch on a transformer but with no load connected to the secondary path.Is the transformer will burn?

5 Answers  

Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

0 Answers  

what will happen when the dc supply is given to the capacitor?

0 Answers  

i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

1 Answers