Answer / anil bhatia

Universal motor is a motor, it can run both AC & DC Supply,
it contence carbon bruses, example of motor is we use at
home mixer cum grinder.

Answer / rajilatha

Universal motor is a motor, it can run both AC & DC Supply,
it operate with three kind topology.
1. AC drive with TRIAC,
2. DC drive with Traic,
3. DC drive with IGBT,

Answer / venkatesh naik

universal motor is a AC series motor .. it has capability to
work for both as and dc supply .
it can rotate with very high speed nearly 3600 RPM to 25000
rpm. Its the only motor which is having high range of speed
the main applications of this motors are
electric shavers,electric hand drillers.office machines
etc
these motors are avilable from the range 1/4 HP to 3/4 HP

Answer / boopathi

Its a motor is work in both DC and ACsupply.

how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

0 Answers   Videocon,

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Why is it that polarization index type test is required for MV and HV motors and not for LV motors?

3 Answers   La-Gajjar Machineries, Qatar Airlines,

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IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

0 Answers  

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what are factors to be consider to design a HT & LT motor?

0 Answers  

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in case of transformer the power factor is depend on input or the output

1 Answers  

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three owners X, Y, z owned some tractors with them, on the first month x gave away the same amount of tractors to y and z ( as much as they possed), similarly in the 2nd month y gave of to x and z similarly by third month z gave to x and y. after this all X, Y, Z had 24 tractors each.

2 Answers   econ,

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Which system is best for industries 3ph 3w or 3ph 4w?

3 Answers  

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why the earth terminal in three pin top is longer than rest of the two terminal and of bigger size?

6 Answers   BARC, MAHINDRA,

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If we have 15000kw connected load in a factory than how much power demand sanction should be taken from electricity board. Pls provide complete calculation.

3 Answers  

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Name quantities which are not transformed in the tranformer.

3 Answers  

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can we use HPSV LAMP in HPMV LAMP fixture ?and viseversa.

5 Answers   OPS,

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what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

1 Answers  

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