Answer / priyank

As general thumb rule,Line with 11 kV :x≈r
66 kV :x≈3r
132kV:x≈5r
220kV:x≈>6r
400kV:x≈>8r

what is the acceptable insulation resistance for motor/transformer?

2 Answers   Reliance, Tata Motors,

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what are the types of control panel used in industries & all electrical purpose ?

4 Answers   HP Tronics, IVRCL,

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ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

4 Answers  

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i have a roll dia aprox.43 inches and gear box ratio is 14.3.so my question is how was decide the kw rating of motor.

1 Answers  

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Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?

0 Answers  

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Why design 150Hz in Exciter

1 Answers  

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last week we did the REF relay test by closing single pole (R phase) of CB and apply 380V at the primary of delta transformer. we get 33A at the primary of the R phase star end. but we get 380A at both R an B in delta side. how and why?

1 Answers   Siemens,

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when u are given a timer,push buttons and contactor, how do i practically make a star delta control circuit and a direct online control circuit?

1 Answers  

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why capacitors cant used in genset to maintain power factor..??

2 Answers  

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PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

0 Answers  

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what is hysteresis loss?

4 Answers   PSU,

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What are the different protection systems takes place on control panel board?

7 Answers   BSNL,

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