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 >>

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 >>

Analog signal resolution

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 >>

Control cable between high power factor converter and inverter

Connect the high power factor converter and inverter directly with a control cable, without using a relay. Since a fast-response is required to shut off the ... More Details >>

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 >>

Can a single potentiometer operate two speed controller?

A single potentiometer cannot operate two speed controller. Reason: Since the control circuit and main circuit of the SC-A speed controller are not insulated... More Details >>

Can I use it with single-phase 200 V input?

You can use it with the single-phase 200 V input by increasing the speed controller capacity to one-rank higher than the motor capacity. (Output is three-pha... More Details >>

Plug-in option

A plug-in option cannot be installed on the FREQROL-A024 series. If you need a plug-in option's function, use other series of inverters such as the FREQROL-A... More Details >>

Can I use it with the single-phase power supply?

You can use the inverter with the single-phase 200 V power supply. However, since ripple current flowing through the capacitor increases and the converter an... More Details >>

Installation of new serial communication unit FR-CU03

Remove the parameter unit FR-PU03 and install there. (The installation dimensions of the FR-CU03 are the same as the FR-PU.) You can read and write parameter... More Details >>