The microcomputer harmonic elimination device is simple and convenient to use, without maintenance, setting and debugging. The device will automatically enter the operation state after self-test, so the equipment maintenance of the device is greatly reduced.

After the microcomputer harmonic elimination device is powered on, the power indicator light will be on. First enter the start-up interface and display the "microcomputer resonance elimination device". After the delay, enter the operation monitoring page. At the same time, the green "operation" indicator will flash. At this time, press "OK" to enter the main menu. If there is no operation, it will automatically switch to the operation monitoring page one minute later.

In the process of use, it can display and record the occurrence time of ferroresonance and related parameters, including voltage and frequency of the device. Press the "OK" key under the operation monitoring page of the microcomputer harmonic elimination device, and the main menu will be displayed on the LCD screen. Then, press the "left and right" keys for page turning selection, press the "up and down" keys to move the cursor, and press the "OK" key to enter the menu. Enter the menu page and you can see the option information of "device operation, parameter setting, communication setting, record query, real-time voltage, clock setting, internal debugging, device information". From the parameter setting, we can see the information of "resonance parameter, grounding parameter, harmonic elimination parameter" which can be displayed in real time.

In case of ferromagnetic resonance, the intelligent microcomputer harmonic elimination device can quickly eliminate the ferromagnetic resonance by starting the high-power solid-state relay. In case of over-voltage, single-phase grounding and other faults, it will give alarm signals and display and save relevant information.