Motors

Motors

Industry: Electrical equipment

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Motors

duty cycle

Electrical equipment; Motors

The relationship between the operating time and the off time of a motor. Both the on time and the repetition rate must be specified.

dynamic braking

Electrical equipment; Motors

A control function that brakes the motor by dissipating its stored energy.

electromagnetic interference (EMI)

Electromagnetic interference (EMI), sometimes referred to as Radio Frequency Interference (RFI), is a phenomenon which, either directly or indirectly can contribute to degradation in performance of ...

field coil resistance

Electrical equipment; Motors

The resistance of the wire in the field coil as seen at the field leads or terminals.

form factor

Electrical equipment; Motors

The ratio of RMS current to average current.

frictional damping coefficient (Kf)

Electrical equipment; Motors

In a D.C. motor or BLDC motor, the constant that defines the braking characteristics of the motor with open leads. Units are oz-in/rad/sec; ozin/ RPM; or Nm/rad/sec.