Answer / raghavendra

5 units /liters

if a single phase 3 hp submersible pump of Crompton Greaves is moving in reverse direction and sometimes it moves in rigth direction ,then what may be the cause....

2 Answers   Crompton Greaves,

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using in R,Y& B PHASE LTSIDE(415V)ct ratio 4000/5 WITH ENERGYMETR OF 1280 REV./KWH,240V.WHAT WILL BE MF OF METRE.

1 Answers   HCC,

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What is class 2 coordination ?

2 Answers  

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Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.

0 Answers   Pride Hotels,

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Is it necessary to carry out sheath test after cable jointing? If the value is zero of such instance , is it ok to energize the cable?

1 Answers  

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How a band pass filter is constructed?

0 Answers  

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if we increase the frequency given to a transformer then wat will happen to the transformer size, whether it will increase?

4 Answers  

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where this neutral connection goes after returning from the load(home ,factory,industries).Is it grounded at the transformer side or atthe generator side .If it is grounded then we also ground the earth connection.is there any problem with this.

1 Answers   IOCL,

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what are the interview question asked in wind mill about electrical

0 Answers  

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why the generating voltage in India is 11kV or why is it be transmitted as multiples of 11

34 Answers   ACC, Bhel, ECI Engineering and Construction, NTPC, SBL, Senthur Power Services,

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When oil level in the oltc of power transformer reduces , oil surge relay will act or not

4 Answers  

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Need help. 3 phase system. Neutral line arced and melted upon connection of connector with 3 phase power. Why would that happen?

4 Answers  

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