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Question:

Frequency converter brake resistance can not do

Frequency converter brake resistance can not do

Answer:

Large inertia system, when the motor speed is in the state of power inverter, inverter DC bus voltage, when the voltage rises to a certain value, on braking resistance, release the energy produced by the motor in the form of heat.
Jul 4, 2017
Frequency converter (Variable-frequency, Drive, VFD) is the application of frequency conversion technology and microelectronics technology, by changing the power supply frequency of the motor to control AC motor power control equipment.
Jul 4, 2017
The frequency converter is mainly composed of rectifier (AC DC converter), filter, inverter (DC AC converter), brake unit, drive unit, detection unit, micro processing unit and so on.
Jul 4, 2017
Inverter by internal IGBT drive voltage and frequency off to adjust the output power, the power supply voltage required to provide according to the actual needs of the motor, so as to achieve the purpose of speed, energy saving, in addition, there are a lot of protection drive, such as over-current, over-voltage, overload protection and so on.
Jul 4, 2017

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