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How to use filters to improve harmonic issues during the operation of water pumps?

Time：

2019-01-05

In the Shenzhen water plant, several variable frequency energy-saving pumps have been installed. 1. Power Factor: The power factor has improved from 0.86 to around 0.93, saving about 2% on electricity costs; 2. Filtering Effect: No faults have occurred since installation, and harmonic currents have significantly decreased, with the 5th harmonic reduced to 2.5% of the fundamental current; 3. Temperature and Noise: The pumps operate smoothly with no abnormal noise; the temperature and noise of the treatment devices are stable; 4. Supporting Components: An LCD screen is used for status display and human-machine interaction, providing an intuitive display.

User: Shenzhen Shajing Changliupo Water Plant
Name: High Voltage Automatic Reactive Power Compensation and Harmonic Treatment Device
Model: MSFGD-270/10
Load: Several variable frequency energy-saving water pumps are used.
1. Power Factor: The power factor improved from 0.86 to about 0.93, saving about 2% on electricity costs.
2. Filtering Effect: No faults occurred after installation, and harmonic current significantly reduced, with the 5th harmonic dropping to 2.5% of the fundamental current.
3. Temperature and Noise: The water pump operates smoothly with no abnormal noise; the treatment device's temperature and noise are stable.
4. Supporting Components: An LCD screen is used for status display and human-machine interaction, providing intuitive display and convenient operation; comprehensive protection measures are in place for various possible faults such as overvoltage and overcurrent.
 
Improving energy efficiency and enhancing power quality is what Guangda has always been committed to providing as an optimization solution for power systems. We have a professional team that can provide customized solutions based on the specific needs of our clients, bringing more stable and high-quality power support to their production and operations. If you have related questions, feel free to contact us at any time.

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