What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

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what is safety measures of transformers.

16 Answers   Amtek, Hotel Jobs, HP, RMU, SKFM, Taj Group,

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What will be in Mahagenco Trade Test Exam? I want to know the same.

0 Answers   MahaGenco,

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What is the voltage b/w nutral and earth

11 Answers   Mind Space,

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WHAT IS MEANT BY vfd(VARIABLE FREQUENCY DRIVE )HOW CAN WE APPLY VFD TO MOTOR ? I WANT FULL DETAIL IF ANYBODY KNOW THE WEBSITE FOR THAT PLZ SEND .THANK U

2 Answers  

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How the field flux is controlled in DC drive ?

4 Answers   TATA,

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how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

0 Answers  

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what is relay type VDG,CDG,VTT ect?

1 Answers   Bhel,

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Give accurate definitions for these electric terms: Inductor Inductance Inductive Induction Reactance Reactive Esam Baraka ٢١ ساعة

0 Answers   HMK,

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how to calculate the size of the cable for a particular rating 3phase induction motor?

1 Answers   Godrej, Megatron Solutions,

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Explain what is electric traction?

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What are differences between Conventional & Addressable type smoke detectors?

1 Answers  

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