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FAQ within [ Drive Products ]
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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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Load current limit of inverter
You can input current from the terminal AM of the inverter to the programmable controller (for A/D conversion) and control the speed with the software of the... More Details >>
- No:21419
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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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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The inverter alarm "OV3" occurs when the main circuit DC voltage inside the inverter goes higher than the preset value due to the regenerative power returned... More Details >>
- No:21438
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A024
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There is a 10 ms delay after the inverter recognizes the start command (STF OR STR) before it starts decelerating. The delay is 10 ms. A delay of 100 ms is i... More Details >>
- No:21445
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Difference between use with A100 and other types
Similarly to the FR-A200 and A500, four or more filters should be used also for the FR-A100. In short, it is OK if the wire penetrates the filter four times... More Details >>
- No:21468
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Options
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How can I calculate the processing torque from the measured power?
You can calculate the torque from the power. From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured valueωn: Actual motor shaft angular fre... More Details >>
- No:21475
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Others , FREQROL-A500
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Term definition and advanced magnetic flux control
1. Maximum torque available for output from the motor when combined with an inverter for a short period of time (1 minute or less). It depends on the contr... More Details >>
- No:21541
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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The internal processing speed is not published. The analog input specifications are as follows: FR-A500???1/4000FR-E500???1/1000MR-H???1/4000 More Details >>
- No:21550
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Harmonic suppression guidelines for power supply
Since the high power factor converter uses the self-excitation three-phase bridge (voltage type PWM control) circuit configuration (type), the conversion coe... More Details >>
- No:21572
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , Options
531-540 of Total 1368