what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?

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There is any especial requirement for motor to drive through with VFD?

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What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

0 Answers   AES,

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What is the drawback of class b amplifier? How is this minimized?

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sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

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What is a Servo Stabliser.

2 Answers  

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What are the raitings of Mcb,mccb and Acb in detail ??

0 Answers   Engineering Vision,

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Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection

6 Answers   Reliance,

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why you don not show protection and type of isolation in key single line diagram?

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

0 Answers   Siemens,

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What phase difference between p and s winding of transformer

1 Answers   MAHINDRA,

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what are the available sizes of pin type terminal lugs in the market today?

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