China has established itself as a global leader in manufacturing across numerous industries, including the development of advanced electrical and electronic systems. Active Harmonic Filters (AHFs) are a critical component in modern electrical networks, helping to improve power quality by mitigating harmonic distortion, reducing energy losses, and ensuring compliance with international standards. B...
Technological Progress and the Challenge of Harmonic Distortion in Modern Electrical Systems Technological progress is unstoppable. Every new innovation aims to make life easier and more efficient. From advanced production processes to cutting-edge consumer electronics, the modern world relies heavily on technology. However, the very electronics that make these advancements possible often introduc...
Access to electricity is expanding globally, but challenges persist. While more people are gaining connections to power grids, issues such as frequent outages and poor power quality remain widespread, particularly in developing regions. Poor power quality, often characterized by voltage fluctuations and inadequate electrical performance, affects millions of users. It hampers their ability to use e...
How to Measure Power Quality Efficient energy use is a key goal for organizations and institutions that generate, transmit, and distribute electricity. Improving efficiency requires better power quality, otherwise, it can harm electrical systems. Measuring power quality is essential to identify and fix these issues. Accurate measurements from correct points are critical. I. Introduction Mos...
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...
Clean Power Solutions for Modern Office Towers The power networks in today’s skyscrapers and large office buildings face increasingly complex challenges. From nonlinear loads like elevators, LED lighting, and IT systems to harmonic pollution affecting the power supply's quality, maintaining optimal power quality is critical. This blog explores how the YTPQC Active Harmonic Filters effectivel...