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FAQ within [ FREQROL-A100 ]

1-10 of Total 21

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  • Cause of overcurrent (OC2) at constant speed

    First of all, capacity reduction of the main circuit electrolytic capacitor is probable. Usually, the electrolytic capacitor is replaced every 5 years on ave... More Details >>

    • No:21407
    • Release Date:2018/08/22 16:27
  • Terminal AM calibration

    1. By setting Pr.158 (Terminal AM function selection) to "21" (Reference voltage output), 10 V is output from the terminal AM.2. Read Pr.901 in the PU operat... More Details >>

    • No:21936
    • Release Date:2018/08/22 16:30
  • A100 inverter loss

    The inverter efficiency (power factor) for the inverter alone is approximately 75 to 80%. However, by installing the power factor improving DC reactor to the... More Details >>

    • No:21512
    • Release Date:2018/08/22 16:28
  • Inverter drive of 400 V class motor

    When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>

    • No:21926
    • Release Date:2018/08/22 16:30
  • New function of EXCELLENT

    The new function includes:- PI control function- Cumulative energy monitor (monitor accuracy: approximately ±25% of full scale value)- Response current limit... More Details >>

    • No:21660
    • Release Date:2018/08/22 16:28
  • Difference from FREQROL-A200 (EXCELLENT) series

    The following features are added to the FREQROL-A200 (EXCELLENT): - PI control without an option- Inverter electronic bypass sequenceThe following functions ... More Details >>

    • No:21635
    • Release Date:2018/08/22 16:28
  • Surge voltage of 400 V inverter

    No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>

    • No:21401
    • Release Date:2018/08/22 16:27
  • Compatibility of the function with FR-A100

    Yes. Compared with the FR-A100:- The PI control function is added.- Fast-response current limit operation is improved.- Cumulative energy monitor is added. More Details >>

    • No:21628
    • Release Date:2018/08/22 16:28
  • Compressor

    You can use an inverter for fan and pump with the compressor, but it is not recommended for an application that the motor load rapidly increases. More Details >>

    • No:21443
    • Release Date:2018/08/22 16:27
  • Inverter input current

    Since the input current has a distorted waveform and the waveform ratio is low, the total inverter input power factor is very poor depending on the power sup... More Details >>

    • No:21440
    • Release Date:2018/08/22 16:27

1-10 of Total 21