An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check fo

1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approxima

When synchronously operating two motors, you need to detect speed from both motors. Each inverter is controlled based on

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

Almost same control method. This control also performs vector calculation and divides the inverter's output current into

This parameter unit realizes both easy operation and advanced operation. In normal operation, you only need to use six k

No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON spee

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart

The fan of the FR-A024 cannot be replaced by the customer. Mitsubishi Electric System & Service will replace it, so

The following two major countermeasures against noise are available: - Keep the noise source and partner device apart fr

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Drive Products > Inverters-FREQROL > FREQROL-A024

FAQ

Inquiries

Keyword Search

You can search two or more words separated by a space.

 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

Result Type

Text Search

FAQ within [ FREQROL-A024 ]

1-10 of Total 40

prev 1 / 4page next

"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
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
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
Range of carrier frequency

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
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
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
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
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
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
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

1-10 of Total 40

Inquiries

page top