Introduction Power quality refers to the characteristics of electric power supplied to end users, particularly its ability to ensure the proper functioning of electrical devices. With the increasing use of sensitive equipment such as programmable logic controllers, variable frequency drives (VFDs), and computers in modern industries, the tolerance for power disturbances such as voltage dips, swell...
Abstract: Utility power system harmonic problems can often be solved using a comprehensive approach including site surveys, harmonic measurements, and computer simulations. This case study presents the results for a commercial facility harmonic evaluation. The simulations were completed using the PSCAD program. The analysis evaluates the effects of transformer connections to determine the har...
Harmonics & VFDs: Causes, Solutions, and Key Insights How VFDs Cause Harmonic Issues Variable Frequency Drives (VFDs) are commonly used to control motor speed and optimize energy consumption in industrial systems. However, VFDs work as nonlinear loads. This means they draw currents that are not smooth, even if the supply voltage is a perfect sine wave. This happens because VFDs change AC power...
Guide to Selecting Active Harmonic Filters In the realm of modern electrical power systems, the significance of active harmonic filters (AHFs) cannot be overstated. They are the guardians of power quality, ensuring that electrical equipment operates smoothly by effectively counteracting harmonic distortions. When it comes to making a purchase decision for an AHF, a multitude of critical fac...
Mitigating Harmonics in Frequency Converters with AHF Frequency converters (VFDs) are indispensable components in modern industrial systems. These devices control the speed and torque of electric motors, enabling greater flexibility and efficiency in operations. However, the use of frequency converters often results in harmonic distortions, which can significantly impact the performance and...
Introduction In today’s technology-driven industries, clean and stable power is the backbone of productivity. Harmonics—distortions caused by non-linear loads like variable frequency drives (VFDs), servers, and renewable energy systems—threaten equipment longevity, energy efficiency, and regulatory compliance. At YT Electric, we engineer advanced power quality solutions to t...
Enhance UPS Power Quality with YT ELECTRIC's Advanced AHF Solutions In an era where industrial automation, data centers, and renewable energy systems demand flawless power reliability, SHANGHAI YT ELECTRIC delivers cutting-edge solutions to optimize UPS performance, eliminate harmonic distortions, and extend equipment longevity. Our Active Harmonic Filter (AHF) technolog...
In an era where industries face mounting pressure to balance operational efficiency with regulatory compliance, Active Harmonic Filters (AHFs) have emerged as a critical technology at the intersection of business strategy and energy policy. As nonlinear loads like data centers, electric vehicle chargers, and industrial automation proliferate, AHFs are no longer just an engineering soluti...