Answer / srikrishna

generator is a kommon term which denotes a device which
produces power either it may be AC or DC,

but alternator is device (generally large generators, which
has stationary armatur but rotating field) which produces AC
power only.

Answer / george

alternator is also a generator, it is called alternator from the word alternating current (alternator carry a.c. only).

ALTERNA-alternating current

TOR- from the word generator

Answer / m.arasumani

Generator produce a.C/d.C its common name
Alternator produce only a.C

when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very low as compared to the rated RPM and also it rotates in clockwise in first ON command,and anticlock wise in second ON command. finally i observed that on phase is no available . but iam not clear about, why the motor is rotates in both directions without any phase interchanging.pls answer to my question.

1 Answers  

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1000 W bulb takes 4.16 Amps at 240 volt then what will be the KWH & if i am using 1000 W bulb at 180 Volt the amps will be 5.55 then what will be KWH????????????????

2 Answers  

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can you any one give exact mathematical relation between AC current and DC current?

0 Answers  

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How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

0 Answers  

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why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

0 Answers   Alstom,

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In 3phase supply Voltage will come around 370v then what will happen?(mean what will effect on electrical equipment like AC,UPS,Motors.)

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What are the different types of LT Cables?

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which of the following elements is not present in stainless steel

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If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........

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What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

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What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?

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