Why 30°phase shift occur in star-delta transformer between primary and secondary?

1 Answers  

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What is pi controller?

0 Answers  

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Why Dyn11 Transformer is selected for distribution transformer?

3 Answers   JK Associates, MSETCL Maharashtra State Electricity Transmission Co Ltd,

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In a Circuit how the MCB and Fuse ratings are calculated. And shall the fuse follws the MCB or it is otherwise?

16 Answers   Emerson, HCL, Thirumalai Chemicals,

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why we used servo motor insted of inducation motor?

1 Answers  

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in ONAN type transformer winding temperature is lower than oil temperature at evening time but morning winding temp is higher than oil temp what is the reason?

2 Answers   Areva,

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what is the form factor of DC voltage

5 Answers  

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Why is it that North America uses 60 hz frequency while Europe uses 50 hz?

4 Answers  

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I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

41 Answers   Armco, BEL, BGS, Biocon, BRB Cable, Crystalline Chemical Industries, DLF, Doshion, Electrical, Gold Roof, L&T, Lanco, MEIL, Oman Cables Industry SAOG, PK Services, Polycab, Sabic, SLV, System Electrical, Tata Motors, UEM, UMIC, Vega, Vertex, Voltas,

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how can findout cable fault Location only useing MEGGER

3 Answers  

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In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

0 Answers  

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What are linear and non-linear systems?

0 Answers  

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