PWM is an acronym for Pulse Width Modulation and varies the switching pulse width of transistors. This method creates ma

Since the SF-PR is more efficient compared to the SF-JR, the resistance will decrease and the load current will increase

Please refer to the attached material. Figure 1

Since the inverter allows for changing speed, fix the number of poles when using the pole change motor. It is recommende

You can calculate the torque from the power. From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured va

It is the brake function that consumes the rotational energy by heat and stops the motor immediately by short-circuiting

Not possible.Instead of FR-DU07, use FR-PA07 (or FR-PU07) as an operation panel for FR-E700.

The special tax reduction for first year facilities is the taxation system for promoting investment in the reform of the

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

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Drive Products > Inverters-FREQROL > Others

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 [ Others ]

1-10 of Total 53

prev 1 / 6page next

PWM control

PWM is an acronym for Pulse Width Modulation and varies the switching pulse width of transistors.　This method creates many pulses within a single cycle of th... More Details >>
- No：21530
- Release Date：2018/08/22 16:28
Replacement of the SF-JR with the SF-PR

Since the SF-PR is more efficient compared to the SF-JR, the resistance will decrease and the load current will increase. Check the following two points when... More Details >>
- No：20949
- Release Date：2018/08/22 16:25
WA2W1KΩ dimensions

Please refer to the attached material. Figure 1 More Details >>
- No：21922
- Release Date：2018/08/22 16:30
Connection with pole change motor

Since the inverter allows for changing speed, fix the number of poles when using the pole change motor. It is recommended to fix the number of poles to four ... More Details >>
- No：21486
- Release Date：2018/08/22 16:27
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
Dynamic brake

It is the brake function that consumes the rotational energy by heat and stops the motor immediately by short-circuiting between the motor terminals through ... More Details >>
- No：21066
- Release Date：2018/08/22 16:25
Insulation level of the MM-EFS

F class (155 deg C) More Details >>
- No：20809
- Release Date：2018/08/22 16:24
FR-DU07

Not possible.Instead of FR-DU07, use FR-PA07　(or FR-PU07) as an operation panel for FR-E700. More Details >>
- No：21708
- Release Date：2018/08/22 16:29
Certificate for special tax reduction for first year facilities

The special tax reduction for first year facilities is the taxation system for promoting investment in the reform of the energy supply. The required certific... More Details >>
- No：21514
- Release Date：2018/08/22 16:28
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

1-10 of Total 53

Inquiries

page top