Answer / sunil

(C)In a distribution system, delta-star is best suited

Answer / sourabh

Ans: delta star
In 11kv/440v STEP DOWN TRANSFORMER primary side 3 WIRE{LINE WIRE'S (R,Y,B)} ARE THERE DELTS WINDING USED BUT IN SECONDARY SIDE 4 WIRE{3 LINE WIRE'S (R,Y,B) AND 1 NUTREAL} 120*3=360 angle.

in a diesel generator is there any relation between AVR to fule system?

2 Answers  

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How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs

1 Answers  

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Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

0 Answers  

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SAY CORRECT DEFINITION... WHAT IS EDDY CURRENT LOSS? WHAT IS HYSTERESIS LOSS?

4 Answers  

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what does happen if generator frequency fall in running condition & what should require immediately

4 Answers  

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i want wipro vlsi placement pattern please send me

0 Answers  

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we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.

1 Answers  

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What are the main factors to be considered(In terms of energy conservation) while selecting a new air compressor?

1 Answers  

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How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

0 Answers  

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if a damaged 500kva transformer with %impedance 2.6 is replaced by two transformers of 250Kva with different % impedance will they be able to catter the load. what will be the ratio of load on the two transformers if the % impedance is in the ratio 1:2

2 Answers   Siemens,

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what is the Excaste meaning of CT Saturation?? 10 P 20, 15 VA, what is the meaning of 10, & 20. if the CT polarrity changed what will happened?? what is the differece between measuring CT & Protection CT?? what is the Saturation Point of measuring CT & Protection CT??

1 Answers  

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what is iron loss?

4 Answers   RRB,

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