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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Countermeasure against harmonics
When the high power factor converter is installed, you can use the conversion coefficient of K5 = 0 for calculation. In accordance with the harmonic suppress... More Details >>
- No:21398
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Others
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When measuring current, if you open the output side while current is flowing on the input side, high voltage is induced and dielectric breakdown may occur wi... More Details >>
- No:21399
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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Priority of multi-speed setting and frequency setting signals
For frequency setting, multi-speed setting is prioritized over current input. Therefore, when the multi-speed signal is input, the inverter switch to multi-s... More Details >>
- No:21400
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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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
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
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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
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100
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The current value can be displayed on the operation panel without regard to the setting of monitor-related parameters. As the current value remains 0 A, the ... More Details >>
- No:21405
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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Although you can connect an analog or digital indicator to the terminal FM, use an analog indicator since the wiring length is long. (The maximum wiring leng... More Details >>
- No:21415
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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Since the heat sink and fan are not waterproof, you need to enclose them so that they are not exposed to the spray of water. If you use the inverter (heat si... More Details >>
- No:21433
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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Motor characteristics at low input voltage
Since the dedicated motor is designed with the rated voltage of approximately 320 V, it can produce sufficient torque for the input voltage of 380 V. Therefo... More Details >>
- No:21434
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-V200
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When the heat sink is outside, since the heat sink and fan are not waterproof, you need to enclose them so that they are not exposed to the spray of water. More Details >>
- No:21435
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Options
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