on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

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What is the difference between DOL starter and star delta starter

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In a Dyn11 transformer, how are the 3 windings of the delta connected? Assume that R1-R2, Y1-Y2, B1-B2 are the 3 windings on the HV side.

3 Answers  

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What are the various types of BUSBAR Schemes? explain each

2 Answers   Thermo,

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Differentiate AC and Dc resistance

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define electrical field?

6 Answers   L&T,

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why we avoid parallel operation of diesl generator?

4 Answers  

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What is creepage distance..... what will be the value for different voltage level

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In wat way the power compensation takes place when a statcom is connected in a transmission line

1 Answers  

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what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

0 Answers  

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Why Diffrential and Ref relays are used together although Diffrential relay can protect Pri and Sec of Transformer

1 Answers   Qatar Gas,

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why we use star and delta connection?why we donot give the supply directly?

12 Answers   Hitech, Siemens, Tata Steel Limited,

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