Why phase sequence ryb called colours.

1 Answers   MS Life, NTPC,

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How to size a transformer which will supply power to 550kW,690V motor starting with VFD?

1 Answers  

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What_is_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

2 Answers   APEL, BSES,

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acsr dog conductor specification

1 Answers  

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What should be distance required in between two phase of HT cionductors in open area??????

3 Answers  

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what is vtg limit of earth and neutral at transformer side?

0 Answers   IOCL,

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what is the use of compensation in designing a transmission line

1 Answers   Genco,

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Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.

1 Answers   HAL,

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A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

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WHAT IS TANK CKT.?

4 Answers  

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i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,

0 Answers  

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advantage of cu cable over al cable

4 Answers   Havells,

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