why grid failure happens?

1 Answers  

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How to calculat the ratio of HT\LT in energy meter

0 Answers  

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Ash AAAC conductor is used for which KV lines

1 Answers  

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why dc motor runs slowly when dc supply is given?

2 Answers   L&T,

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What's voltage?

1 Answers   Pakistan Atomic Energy Commission PAEC,

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Why arc quenching is used in Diode ?

0 Answers  

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in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step

2 Answers  

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how fan speed decrease or increase by using regulator? thank you

3 Answers  

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

0 Answers   US Electrofused Minerals,

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what is ment by doublefield revolving theory?

2 Answers  

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what is the use of interposed & reverse voltage transformer

2 Answers   Anjani Steels,

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how calculate external illumintion in a compound area. for e.g. there is one open park having 600m2 area and i have to put 40w flouresent tube fitting with pole. how shall i calculate the numbers of fitting.

1 Answers  

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