Exploring Torque Constants and Resistance Ratios in Electric Motors

In summary, the torque constant of a motor is a physical quantity that relates the torque produced by the motor to the current flowing through it. It can be calculated by dividing the measured torque by the measured current and is used to determine the motor's ability to convert electrical energy into mechanical energy. The torque constant is directly proportional to the motor's speed and does not change under normal conditions, but external factors such as temperature and wear can indirectly affect it. Regular maintenance and proper usage can help maintain the torque constant of a motor.
  • #1
kmarinas86
979
1
Here are some "torque constants" for hypothetical electric motors. Tell me which ones are possible and which ones are not.

10 Nm / A

100 Nm / A

1000 Nm / A

10000 Nm / A

100000 Nm / A

1000000 Nm / A

10000000 Nm / A

100000000 Nm / A

1000000000 Nm / A

10000000000 Nm / A

100000000000 Nm / A

Also what is the maximum ratio of torque constant to resistance?

10 (Nm / A)/Ω

100 (Nm / A)/Ω

1000 (Nm / A)/Ω

10000 (Nm / A)/Ω

100000 (Nm / A)/Ω

1000000 (Nm / A)/Ω

10000000 (Nm / A)/Ω

100000000 (Nm / A)/Ω

1000000000 (Nm / A)/Ω

10000000000 (Nm / A)/Ω

100000000000 (Nm / A)/Ω
 
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  • #2
Does anyone have an answer?
 
  • #3
Yo! so what's the answer?

This is not for school by the way.
 

1. What is the torque constant of a motor?

The torque constant of a motor is a physical quantity that relates the torque produced by the motor to the current flowing through it. It is also known as the motor constant or the electromechanical constant.

2. How is the torque constant of a motor calculated?

The torque constant of a motor can be calculated by dividing the measured torque by the measured current. It is usually expressed in units of Newton-meters per Ampere (Nm/A) or in units of Volt-seconds per Radian (Vs/rad).

3. What is the significance of the torque constant of a motor?

The torque constant of a motor is an important parameter that determines the motor's ability to convert electrical energy into mechanical energy. It is used to predict the motor's performance in various applications and to design control systems for the motor.

4. How does the torque constant affect the speed of a motor?

The torque constant of a motor is directly proportional to the motor's speed. A higher torque constant means the motor will have a higher speed for a given current, while a lower torque constant will result in a lower speed for the same current.

5. Can the torque constant of a motor change?

The torque constant of a motor is a physical property of the motor and does not change under normal operating conditions. However, external factors such as temperature and wear and tear can affect the motor's performance, which may indirectly affect the torque constant. Thus, regular maintenance and proper usage of the motor can help maintain its torque constant.

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