Answer / zahid noor

Make of Breakers available in India are so many, common of
them are L&T, SIEMENS , ABB, CONTROLS & SWITCHGEAR etc
depending upon their technology of collaboration. They are
rated on Voltage LEVELS for which they are to be used &
current capacity.

Similarly Transformers are also in a wide range depending
upon requirement POWER TRANSFORMERS are rated in MVA & make
available are BHEL, CROMPTON, AREVA,BHARAT BIJLEE,SIEMENS
where as Distribution Transformers are very common in have
rating in KVA , available in India are thousands of Brand
of which very common are TESLA,
AWADH,STARPOINT,STARDELTA,MORSONS.
Similarly Generators are also in KVA IN HIGHER RANGE IN
MVA/MW common generators make are kirloskar,Greaves,GIMMCO
ETC.

Please explain open transition and closed transistion system in Star delta Starter?and also the state difference of both?

4 Answers  

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Explain why the Voltage drop will happen in 3 Phase line?

2 Answers  

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WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??

0 Answers  

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How to calculate the ups battery back up? give the formula.

15 Answers   Cushman Wakefield, Ethio Telecom, Exide, MacLellan, Morgan Stanley, TATA,

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DG lube oil and waste oil how to dispose outside and there is any authorised vendors will be there for this.

2 Answers  

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what is the 2MVA distribution transformer efficiency

1 Answers  

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what is creepage distance in sub-station?

3 Answers   ABB,

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what is different between earthing and grounding for a electrical eqipment ?

2 Answers   BARC, Omega Maritime,

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What are the different types of hydro schemes?

0 Answers  

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Why consumers are charged based on Kwh basis why not on Kvah basis.

4 Answers   Unitech,

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why we use Test Terminal Block in 11 KV and 33 KV electrical panels.

0 Answers   EMC,

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why only dc is given as excitation...why not ac???

2 Answers   TCS,

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