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Countermeasure against noise and leakage current during low-noise operation
The following two major countermeasures against noise are available: - Keep the noise source and partner device apart from each other.- Install a noise filte... More Details >>
- No:21605
- Release Date:2018/08/22 16:28
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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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General-purpose magnetic flux control
Almost same control method. This control also performs vector calculation and divides the inverter's output current into an excitation current and into a tor... More Details >>
- No:21620
- Release Date:2018/08/22 16:28
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Can I replace the cooling fan alone?
The fan of the FR-A024 cannot be replaced by the customer. Mitsubishi Electric System & Service will replace it, so contact us to order it. More Details >>
- No:22001
- Release Date:2018/08/22 16:30
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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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Features of parameter unit FR-PU03
This parameter unit realizes both easy operation and advanced operation. In normal operation, you only need to use six keys for easy operation. To perform ad... More Details >>
- No:21614
- Release Date:2018/08/22 16:28
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You can vary the carrier frequency within the range of 0.7 to 14.5 kHz, and it is initially set to 1 kHz that generates low noise and leakage current. You ca... More Details >>
- No:21607
- Release Date:2018/08/22 16:28
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Synchronous operation of two motors
When synchronously operating two motors, you need to detect speed from both motors. Each inverter is controlled based on this speed detection signal. As an e... More Details >>
- No:21540
- Release Date:2018/08/22 16:28
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Output side earth (ground) fault overcurrent protection
1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approximately 70% of the inverter rated curren... More Details >>
- No:21394
- Release Date:2018/08/22 16:27
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"OV3" occurs during an inverter stop.
An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check for the power supply voltage. If the ca... More Details >>
- No:21383
- Release Date:2018/08/22 16:27
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