Interested to Buy Any Domain ? << Click Here >> for more details...
In a synchronous motor armature current flows due to
revolving flux which in turn rotates the load,but in no
load condition armature current is zero hence thr is no
revolving flux then how motor rotates?
- 9 Answers
- 16159 Views
- I also Faced
- E-Mail Answers
Answer Posted / amita sharma
DUE TO RESIDUAL MAGNETISM THERE IS SOME FLUX WHICH INDUCES
EMF IN THE ROTOR AND THERE FORE THE MOTOR ROTATES.
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
what are pilot cells
WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.
Electrical 'C' license full abbreviation , and full form
How wire size can define in electrical wiring? What is the ratio?
how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?
in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses? the second question is-generation is depends on LV winding? or LV winding design for generation voltage?
Why do we need interlocking in a HT metering or Ring main unit switchgear?
what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.
What is the formula of frequency ?
I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.
what is the voltage between earth to neutral in lift.
how can motor both beasrings insulation resistance can be check?
How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.
Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction
If I want to buy a new Xformer for my plant what are the main parameter will I need to check?
