can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

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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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why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

0 Answers  

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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what is laser diodes?

0 Answers  

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what is the senstivity and stablity? what is different?

1 Answers  

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How works the AVR in DG Sets Plz explain??????????

1 Answers  

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what happen if the parallel generator phase angle shift by 1 degree in manual mode

0 Answers   EEEC, MEC,

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IR value for 30kw lt motor

1 Answers   Hofincons,

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why we step down the voltage from 440 to 220 in machines

4 Answers  

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what is meant by armature reaction?

13 Answers  

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Why NGR is required for 11Kv geneartor in power plant

2 Answers   AB Inc, ABB,

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