why the Parameters : Base Voltage & Maximum Voltage can't be equal in value in a VFD (Variable Frequency Drive) ? How much the base voltage would be lower than the maximum voltage ? If 400 V is the 3 phase output of a VFD ... then what should be the base voltage ? thanks a lot

1 Answers   Yaskawa,

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in 3phase 50kva dg what is the full load current for single phase laod

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Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

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why we use dc motor instead of ac motor?

7 Answers   Air Force,

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0 Answers   IOCL, ONGC,

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what is sinwave ups

1 Answers   Exide,

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which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

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Can I use RCCB in moisture control device in a submersible pump.

2 Answers   TATA,

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what's mean by Transient stability analysis?

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Why can't we parallel the secondary circuits of two voltage transformers?

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