An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

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line diagram for mcb , mccb , rccb .

1 Answers  

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what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

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Why NGR is provided in sub station?

4 Answers   MMS,

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can volts/Hz be relied upon to use 460v,60Hz electric motors on a 380v,50Hz power supply?

1 Answers  

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What are marginally stable systems?

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TYPES OF TEMPERING OF ENERGY METER

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what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

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how to find the resistance

3 Answers   Saint Gobain,

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HI, I want to buy a new Xformer to my plant. what are the main parameter should I check ( Xformer rating is 16 MVA)

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what are the different functions of mccb, rccb / elccb ?

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Can clean earth cable be considered as low current cable

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