Calculate Power & Torque for Electric Machine

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SUMMARY

The discussion focuses on calculating the power and torque requirements for an electric machine designed to achieve a velocity of 6 m/s with an acceleration of 12 m/s² and a load of 130 kg. Key calculations include determining the starting torque, the torque needed to maintain constant speed, and the engine power based on a motor speed of 3000 RPM and a wheel diameter of 20 cm. The user seeks assistance in understanding these calculations to ensure the machine operates effectively under specified conditions.

PREREQUISITES
  • Basic understanding of Newton's second law of motion
  • Familiarity with torque and power calculations in electric machines
  • Knowledge of rotational dynamics and wheel mechanics
  • Experience with unit conversions (e.g., RPM to radians per second)
NEXT STEPS
  • Calculate the starting torque using the formula: Torque = Force x Radius
  • Determine the power required using the equation: Power = Torque x Angular Velocity
  • Analyze the stopping distance and time using kinematic equations
  • Explore the impact of load and acceleration on electric motor specifications
USEFUL FOR

Engineers, mechanical designers, and students involved in electric machine design and performance analysis will benefit from this discussion, particularly those focused on torque and power calculations for electric motors.

bogdan1601
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Hello!


I’m new on this forum and I would like to ask you for help.

I have a project to make about an electric machine, that needs to reach the velocity of 6 m/s, with an acceleration of 12 m/s^2 and a load of 130 kilos.


It is being asked to calculate the starting torque ,the torque to maintain a constant speed of 6 m/s, the distance and time to stop and the engine power, knowing that the motor is 3000 rpm and the wheel has a diameters of 20 cm.

Thanks a lot!
 
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OK, so what is it that you need help with?
 
starting torque ,the torque to maintain a constant speed of 6 m/s, the distance and time to stop and the engine power
 
Have a go at some solutions yourself, and let us know where you are getting stuck.
 
I want to know what is the necessary power to move this mashine and the minimum torque to move it.
 

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