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  1. Banphot

    Using Inverter with exsiting slip-ring motor for overhead crane

    Hi All: Extensive value recommendation for all. Then, it seems very important for the encoder reliability. Is it possible to install the back-up encoder to the motor shaft? Banphot
  2. Banphot

    Using Inverter with exsiting slip-ring motor for overhead crane

    Very thanks for plenty of suggestion. Banphot
  3. Banphot

    Using Inverter with exsiting slip-ring motor for overhead crane

    Hello: In our steel making plant factory, there is an electric overhead crane with 120 ton hoist driven by 220KW slip-ring motor. The motor is started using 4 steps of rotor resistors, and speed is controlled via SCR circuit. We would like to install vfd inverter to control speed instead of...

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