why generating voltages are of 11kv 33kv 22kv of 11 multiples

5 Answers  

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why VCB are not used in 132KV system(above 33KV system)

6 Answers   Al Ahleia,

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How to select a D.G set for calculated load of 110kW..?

7 Answers   Shakthi Power Systems,

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block diagram of 2 ups system connected in hot stand by mode?

0 Answers  

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why transformers are put with supply for 24 hours before giving supplying to a locality?

2 Answers  

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Pole of s-plane gives the information about?

2 Answers   CCP,

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

2 Answers   Bala Power Solutions,

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How the Oil Surge Relay works? How it protect the OLTC?

3 Answers   JSL,

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what is a bus riser in power system and why it is used

2 Answers  

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How would u describe the function of a generator & motor?

5 Answers  

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A 3 phase motor operating off 415V system is developing 20Kw at an efficiency of 0.77 and power factor of 0.73. determine:- a)the line current. b)the phase current if winding are delta connected. c)the phase voltage if winding are star connected.

1 Answers  

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1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

1 Answers  

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