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FAQ within [ FREQROL-V200 ]
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Driving 200 V motor by 400 V inverter
A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can be rotated by a 400 V inverter, howeve... More Details >>
- No:21446
- Release Date:2018/08/22 16:27
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You cannot reuse the parameter unit (FR-PU01) for the FREQROL-Z series, the parameter unit (FR-PU02) for the FREQROL-A200 and A100 series, and the parameter ... More Details >>
- No:21654
- Release Date:2018/08/22 16:28
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The specifications of the FR-V200E series do not allow for choosing from "Reset input always enabled" and "Reset input enabled only when the protective funct... More Details >>
- No:22031
- Release Date:2018/08/22 16:30
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Operation under torque limit in the speed control mode
Under a 50% torque limit, if the commanded speed (50 Hz in your example) cannot be achieved without torque exceeding 50%, since the torque does not exceed th... More Details >>
- No:21483
- Release Date:2018/08/22 16:27
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Automatic restart after instantaneous power failure
1. Yes. The inverter cannot restart if STF and STR are turned OFF.However, on the next startup, the inverter detects coasting and restarts.2. When automatic ... More Details >>
- No:21942
- Release Date:2018/08/22 16:30
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Power factor improving effect by option
Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>
- No:22020
- Release Date:2018/08/22 16:30
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What happens if reset occurs during operation?
This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No:21477
- Release Date:2018/08/22 16:27
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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
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When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>
- No:21404
- Release Date:2018/08/22 16:27
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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
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