what is the function of commutator in dc motor?
Answer Posted / udhaya kumar
commutator reverses the flow of current.In order to develop
mechanical force.
| Is This Answer Correct ? | 4 Yes | 12 No |
Post New Answer View All Answers
What is a copper loss or i2r loss pc?
how to select the no. of brushes in a lap winding?
WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.
5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........
Vibromotor 252MV 1/4HP2P..what is mean by 252MV?
our industries ht line so power fluctation(once drop of power please rectify causes
if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.
Which motor connection is preferable star-delta or delta-star?
What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.
What is the differance between 2 dc motors of armature voltage 660 v and 440 v?
What is Phase to Phase clearance for 800V System Operating Voltage as per IEC61439
Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?
Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?
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
what is the formula for hv test for cable and circuit breaker..????