what is the difference between bus-coupler and bus-riser

2 Answers  

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how we can explain arc heatng?

0 Answers  

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using n1*n2 which type transformer is made; where n1 is primary turn and n2 is secondery turn

1 Answers   JSW,

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what is the principle of generator , induction motor,d.c motor

1 Answers  

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wht factor are considered to design ACB( air Circuit reaker) 415V

3 Answers  

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what is the different ratings of ACB/VCB/SF6 which is used at HT side

3 Answers   Hosco,

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what is the exact direction of current? as we know current travels from higher potential to lower potential,so if we take battery +ve to -ve implies current direction is from positive terminal to negative terminal.,whereas electrons flow from negative to positive as they are attracted by positive ions.current will be the plow of charge but not flow of positive ions.please clarify my doubt friends.

2 Answers  

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A 400KVA ,50HZ TRANSFORMER IS TO BE OPERATED AT 50HZ.THEN KVA RATING OF THE TRANSFORMER?.

4 Answers   GATE,

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How to calculate the current rating of power cables ?

1 Answers  

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where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

1 Answers  

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How Humming noise generated in starter motor which was used the start the engine in a vehicle/car/Truck?.Moreover Starter motor was operated in DC power supply. Can you guys clarify ?

2 Answers  

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why insulators are colured in brown only?

3 Answers   Transco,

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