In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

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What is the voltage b/w nutral and earth

11 Answers   Mind Space,

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what is importance of ka in mccb

2 Answers   ABB,

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I have installed capacitor bank at secondary transformer. cos phi is increase. but on load (far from transormer), it still poor. Can anybody explain it??

6 Answers  

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what is the working principle of induction motor

2 Answers  

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what is the function of capacitor duty contactor in an capacitor panel???

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Why the cores of large transformers build up of circular cross section?

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how capacitor control the power factor/

2 Answers   ABB, Apollo,

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a 100mva,400/200v transformer has leakage impdce of 10% draws a steady state line currentof---------------

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Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

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what is auto re-closer?

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in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

1 Answers  

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