Answer / shri..

suppose if we have 2 nos 500 KVA DG set & want to take the
power from both DG set at one busbar so will have to
synchroniz first its phase R to R, Y to Y, B to B, & also
will have to synchroniz its voltage & frequency

Answer / raghu

suppose if we have 2 nos generators set & want to take the
power from both generators set at one busbar so will have to
synchroniz first its phase to phase or phase to neutral.Means
it will check both generators voltage, frequency and phase angle.

Answer / bala.a

if we have two no of D.G Sets u can take supply seperately
with help of buscoupler in open condition and also u can
take combination supply with help of buscoupler closed
condition in a single panel

if an alternator or turbine using fuel to produce ele energy and we didn't connect load to the ends then where was gone the ele energy

2 Answers  

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In my 3 phase 4 wire electrical system N to earth voltage is 0.08 is it ok What is standard for it ?

1 Answers   Kay Bee,

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Why celling fan rotates in anticlockwise direction and table fan in clockwise direction ? Give technical reason.

5 Answers  

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We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

2 Answers   Birla,

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What are the internal and external faults?

0 Answers  

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What is the difference between earthed and unearthed cable

5 Answers   FT, L&T, Suzlon,

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

2 Answers  

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what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing

0 Answers   ABB, Genpect,

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Waht are the protection should be use in HT/ LT side of the same Xformer?

1 Answers  

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why we measure output of transformer in kva?

1 Answers  

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In a 132KV Grid Station where voltage level is 132KV, here,  why the rating of Surge arrests installed 120KV ? 

1 Answers  

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what is meant by substation?

5 Answers  

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