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Topic :: Torque
explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?
2197Slip at maximum torque depends on A rotor resistance and reactance B stator reactance C load current D stator resistance
1 2517Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m
5155Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more
3 6184Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more
1993In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above
2007In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above
2188In constant power region of 3-phase IM torque-speed characteristics, if frequency increases voltage A does not alter B decreases C increases D none of above
1 2665
how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.
i want to know about torque of slip ring induction motor
what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?
what is the difference between torque induced and torque load?compare them with respect to dc motor?
how we calculate torque ? how we improve it ?where torque will either motor or generator ?
Assume a DC motor with the following parameters : Motor torque control = 0.0848 Nm/amperes Back EMF control = 0.0848 Volts/(rad/s) Armature resistance = 0.75 Moment of inertia = 0.00001696 kg/m2 With zero frictional load and taking a feed forward gain of 2, determine the motor response for a unit step function. please forwaded the answer to the below mail id thanks in advance Regrads, peer_kaba@yahoo.co.in
how to calculate the torque of a motor?
what is load vs Torque curve & why it is used?
IF RPM OF PTO OF TRACTOR IS 540,torque at pto is 21kg/cm sq.& WE NEED IT TO 1800 RPM ,THROUGH GEAR ONLY FOR THAT WHAT WOULD BE ETHE GEAR STRUCTURE( I.E.NO TEETH OF BOTH GEAR ) IN ORDER TO GET 1800 RPM OUTPUT.
What is the difference between gear motor and a stepper motor? Like i want to use gear motor for its excessive torque to move my robot. Can i use stepper motor instead?
1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?
how unidirectional torque is produced in DC motor?
ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant
Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.
A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?
