in a delta-star with neutral grounding on star side what will happen if one star limb  got opened at star point

1 Answers   NTPC,

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We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

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i want prepare power grid exam what are book we want refer for electrical ?

5 Answers  

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two bolbs of 100w and 40w respectively connected in series across a 230v supply.which bolb will glow bright and why?

16 Answers   DRDO, PSPCL, Siemens,

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what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor

0 Answers  

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LT cable fault checking instrument is available? where and how to get it.

2 Answers  

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What is rotating transformer? Which machine is used specifically as rotating transformer?

3 Answers   TATA,

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What is the difference between RMS and average value

5 Answers   CEERI, HPCL,

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when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

1 Answers  

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how to synchronize 3 phase slip ring induction motors of different ratings.

0 Answers   GMR,

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what is tertiary winding in transformer?What is its purpose?

18 Answers   Bhel,

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

2 Answers   BARC, Omega Maritime,

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