Answer Posted / srinu
back emf is produced in all motors due to rotation ,motor act as generator and produce emf ,this emf is oppose the applied voltage,this is called back emf,this is directelly propostionl to rpm
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How to distinguish whether MCB is DC or AC looking at it physically
Formulae for calculating the transmission line losses for different voltage levels
i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?
(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?
what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
What does the kvar means?
write down the formula of cable size in RM if current is 50Amp.
What will be the effect if I use inverter as UPS mood?
What is difference between start imitation and start interlock for 3 phase motor protection ?
what is draiv work
whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11
WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC
what will happen if i connect 12 volt battery with 24 volt battery charger.
Testing procedure of DG alternator stability test
please give me solution to rectify the emi(electromagnetic interference)