Why we use Carbon & graphite mixxed brushes in the DC motor?
- 6 Answers
- 16039 Views
- I also Faced
- E-Mail Answers
Answer Posted / vinod kumar t
this wil reduce th sparking in the commutator
| Is This Answer Correct ? | 5 Yes | 6 No |
Post New Answer View All Answers
hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?
How calculated single phase induction motor req. Capacitor?
why are the maintaine power factor and how can this control and this is how work.
draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words
what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/
In how we connect watt meter for open & short circuit test of a single phase transformer.
What are the difference between normal application Transformer and Solar application Transformer?
what is the main function of capacitors in mccs.
why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?
HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.
Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?
what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?
In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.
What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)
How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.
