Dynamic Braking Resistor
Dynamic Braking Resistor is a high power / wattage resistor. This is used by a electric motor to assist in the process of dynamic braking. Pls refer to this article for more details: dynamic braking.
We know that DC motors, unlike AC motors, act like a electrical generator when the motor has been disconnected from the power source. The DC motor functions like a generator due to the DC motors permanent magnet. The resistance to rotation causes the dynamic braking. The voltage and current produced by the DC motor is directed into the dynamic braking resistor to dissipate the heat energy.
Installation design considerations for dynamic braking resistors:
Dynamic braking resistors should be located and mounted into the target assembly. Thus the maximum thermal dissipation through the resistor device may occur. Thermal dissipation will depend on the resistor and the power application duty cycle. We should take care to ensure that braking resistor installation is clear of combustible materials.
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