A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a p

A single line diagram(SLD) and a purchase order of a
11/66kV switchyard of a power plant was given. In the SLD,
only one lightning arrestor(LA) was shown, but the purchase
order had need of 3 LAs. Is this correct, if yes, why?

Question Posted / ajit4u247

2 Answers
6559 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given..

Answer / sakthivel

IT IS CORRECT WE REQUIRED 3 LA IN 3 PHASE

Is This Answer Correct ?

16 Yes

2 No

A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given..

Answer / k.prakashchandra

We have 3 phase Tr ,breaker,G.O.S. but no 3 phase L.A.

Is This Answer Correct ?

2 Yes

2 No

Post New Answer

More Electrical Engineering Interview Questions

Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

0 Answers

why v use only sodium bulb or orange color lights on streets, y nt CLF OR TUBE LIGHTS

3 Answers

avr is an automayic voltage regulator ... it regulates voltage before it synchronise with grid after synchronisation it regulates power factor why....

7 Answers

how the speed of the gets motor regulated. does it draw the same current on the all speed level.

0 Answers Danko,

how can i get the entrance exam papers

0 Answers

what is name of transformer oil ?

58 Answers L&T, MPSEB, OPTCL, Practical Viva Questions, Servo, TATA, XLPE, ZGL,

Why the pointer of earthing of 3 pin top is made thick and long compared to the phase and neutral pin ?

3 Answers Sanima Hydro Power,

What is P.F? Formula for calculating PF in HT side?

1 Answers

how to calculate energy of 3-phase motor?

0 Answers Suzlon,

List examples of voltage source?

0 Answers

Suppose an electric motor with a controller is not working. What is the sequence of testing you will do in your troubleshooting?

2 Answers Emerson,

I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

0 Answers

For more Electrical Engineering Interview Questions Click Here