Answer Posted / rajesh
dc motor works on principle of electromagnetic field creation
and torque production due to magnetic componentn(rotor )
placed along it in oriented direction and it is reversible
drives is a ckt to control speed of motor (using scr)
e.g dc drive for dc motor
Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
Why grounding is necessary? Give example with diagram.
Give Detail information about plc,dcs,and scada system?
What are the error values can accepted in flow transmitter calibration?could u give any formula for this?
how to calibrate steam control valve in steam turbine
How to Calibrate Vibration Probe (Axial, Redial) in field
how u calibrate pneumatic n motorized c/v?
how to check earthing,what is minum ohms for proper earthing
What is the difference between working pressure and calibration pressure of a control valve
what is your eligibility criteria for freashers?
How to calibrate the flow transmitter
what is effect of specific gravity in differential level transmitter , explain formula related with this .
why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?
what is the electrical operation procedure for switching on 27.6MVA electric furnace.
how do we commission inergen system?
we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.