How to Adjust VFD Frequency from 50Hz to 60Hz?

A Variable Frequency Drive (VFD), is an essential electronic device used to control the speed and torque of AC induction motors by varying the frequency and voltage supplied to the motor. VFDs are widely employed in industrial and commercial applications where precise control over motor speed and energy efficiency is crucial. By adjusting the frequency and voltage output, VFDs enable motors to operate at different speeds, thereby optimizing processes and reducing energy consumption compared to traditional methods of motor control.

In this article, ATO industrial automation shop will guide you through the frequency setting of the Upgraded GK3000 VFD. A Variable Frequency Drive (VFD) like the GK3000 is essential for controlling the speed of AC motors by varying the frequency and voltage supplied to the motor. Follow these steps to adjust the frequency from the default 50Hz to 60Hz.

Wiring

Firstly, ensure the VFD is correctly connected to both the power source and the motor. Connect the power source to the L (Line) and N (Neutral) terminals of the VFD, and wire the motor and VFD via terminals U, V, and W.

VFD frequency setting wiring

Parameter Settings

Once the wiring is complete, proceed to customize the following parameters based on your specific requirements:

P0.05: Set the maximum frequency to 60Hz.
P0.06: Adjust the frequency upper limit to 60Hz.
P0.07: Configure the frequency lower limit to 0Hz.
P0.02: Set the running frequency to 60Hz.

Adjusting Frequency

To begin adjusting the frequency from 50Hz to 60Hz.

Press "Menu" and "Enter" to access the P0 parameter group.
Input function parameter code P0.05 to modify the maximum frequency. Change the value from 50 to 60 using the control panel and press "Enter" to confirm.
Proceed to function parameter P0.06 and set the frequency upper limit to 60Hz.
Set parameter P0.07, the frequency lower limit, to 0.00Hz, and press "Enter" for confirmation.
Finally, configure parameter P0.02 for the running frequency at 60Hz. After confirming, press the "Menu" key twice to return to the Run mode. The display will confirm the frequency has been set to 60Hz.

Testing and Operation

Press "FWD" to start the motor and observe the VFD's performance. The LED display will indicate the frequency upper limit has been adjusted to 60Hz, ensuring smooth motor operation at this set frequency.

When you're ready to stop, press "STOP" and watch the motor gradually decelerate as the displayed frequency decreases from 60Hz back to zero. The VFD drives will retain the updated base frequency setting even after power is cut off.

VFD frequency setting from 50hz to 60hz

By following these steps systematically, you can effectively adjust the frequency of VFD model from 50Hz to 60Hz. This ensures optimal performance tailored to your specific operational needs.

If you find anything unclear in this blog, you can check out the following video for further clarification.