What are the Protection function of Active Harmonic Filter? The protection functions of an Active Harmonic Filter (AHF) are critical for ensuring its safe operation, preventing damage, and maintaining the integrity of both the AHF and the electrical system it is connected to. These protection features safeguard the AHF from various electrical faults and environmental factors. Below are the key pro...
How Power Distribution Systems Work?Electrical power supplied to residential, commercial, and industrial buildings is typically generated by a utility at a centralized location and then transmitted and distributed through the utility’s power transmission and distribution system to its end users. A utility's power transmission and distribution system is responsible for controlling, pro...
With the growing adoption of energy-efficient technologies, electronics have become integral to modern power systems. Switched Mode Power Supplies (SMPS) in office equipment and LED lighting, Variable Frequency/Speed Drives (VF/SDs) for induction motors, and inverters that convert DC power from photovoltaic cells to Mains Frequency AC are prime examples of how these systems enhance power usage eff...
Dynamic Voltage Restorer: The Guardian of Power Systems In modern industrial and commercial applications, maintaining power quality is crucial for the reliable operation of sensitive equipment. One of the major challenges in power quality is voltage sags and dips, which can disrupt operations and cause equipment malfunction. Enter the Dynamic Voltage Restorer (DVR) – a critical piece of equi...
Introduction Harmonics in power systems have become a significant concern due to the widespread use of semiconductor-based loads, such as variable frequency drives (VFDs) and line-commutated DC drive systems. These harmonics can lead to various power quality issues, affecting both equipment performance and system reliability. Harmonics are integer multiples of the fundamental frequency. For exampl...
What are the relationship of Active Harmonic Filter, capacitor banks and reactors? Active Harmonic Filters (AHFs), capacitor banks, and reactors are essential components used in electrical networks to manage power quality, reactive power compensation, and harmonic mitigation. When these devices are combined effectively in a network, they can help improve system performance, energy efficiency, and ...
How to Avoid Non-Compliance with Power Factor Requirements In the world of industrial and commercial power management, maintaining an optimal power factor is critical. Poor power factor not only leads to inefficiencies in energy usage but can also result in hefty penalties imposed by utility companies. Understanding the importance of power factor correction can save businesses substantial costs an...
Voltage Unbalance: Causes, Impacts, and Mitigation Strategies This state of imbalance not only affects power quality but can also damage equipment and reduce energy efficiency. For example, using SPC (Static Phase Converter) for dynamic adjustment within the distribution station can effectively improve this situation; at the same time, users should also pay attention to reasonable load configurati...