Providing thermal protection is better for your safety. When the brake transistor explodes, the brake transistor alarm (

When the high power factor converter is installed, you can use the conversion coefficient of K5 = 0 for calculation. In

Your suggested use is not recommended due to the following reasons: Output voltage of the 400 V inverter contains "micro

You can connect multiple inverters to a single reactor. In this case, the load seems to be light from the reactor unless

"E.OV3" is displayed when the voltage between the inverter terminals PN rises abnormally high while the inverter is dece

When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting o

The RS485 communication is explained in the FREQROL-E500 Instruction Manual. This Instruction Manual is published on the

Since the dedicated motor is designed with the rated voltage of approximately 320 V, it can produce sufficient torque fo

Since the input current has a distorted waveform and the waveform ratio is low, the total inverter input power factor is

Even when the actual load (torque) is half of the motor capacity, the current output from the inverter to the motor is n

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Drive Products > Inverters-FREQROL

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

Inverters-FREQROL

FAQ within [ Inverters-FREQROL ]

321-330 of Total 1306

prev 33 / 131page next

Thermal protection

Providing thermal protection is better for your safety. When the brake transistor explodes, the brake transistor alarm (E.BE) is output. Consider a counterme... More Details >>
- No：21397
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024
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
Driving 200 V motor by 400 V inverter

Your suggested use is not recommended due to the following reasons: Output voltage of the 400 V inverter contains "micro surge". Usually this surge voltage i... More Details >>
- No：21403
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Installing reactor for suppressing harmonics

You can connect multiple inverters to a single reactor. In this case, the load seems to be light from the reactor unless all of the inverters are rotating an... More Details >>
- No：21410
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Options
Fault display

"E.OV3" is displayed when the voltage between the inverter terminals PN rises abnormally high while the inverter is decelerating or stopped. In this case, th... More Details >>
- No：21411
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024
Coasting

When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting of Pr.250. More Details >>
- No：21423
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
RS485 communication

The RS485 communication is explained in the FREQROL-E500 Instruction Manual. This Instruction Manual is published on the member's page of Mitsubishi Electric... More Details >>
- No：21426
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
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
Inverter input current

Since the input current has a distorted waveform and the waveform ratio is low, the total inverter input power factor is very poor depending on the power sup... More Details >>
- No：21440
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A100
Can I use a motor of which capacity is larger than the inverter capacity?

Even when the actual load (torque) is half of the motor capacity, the current output from the inverter to the motor is not reduced to the half. Therefore, it... More Details >>
- No：21442
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL

321-330 of Total 1306

Inquiries

page top