kVAr and Amps in power quality Reactive Power (kVAR) Reactive power, measured in kilovolt-amperes reactive (kVAR), is the component of alternating current (AC) power that does not perform any actual work but is necessary for maintaining the voltage levels required for the active (real) power to do useful work. It is associated with the energy storage in inductive and capacitive elements of the pow...
Neutral current and Active harmonic filter Active Harmonic Filter (AHF) and Neutral Current Active Harmonic Filter (AHF) is used to improve power quality, by harmonics filtering, reactive power compensation and 3 phase balancing in power systems. Harmonics are voltage or current waveforms that are integer multiples of the fundamental frequency. They can cause various power quality issues, includin...
Introduction This blog compares harmonic mitigation techniques across various applications in real time. It examines different aspects of active and passive series and shunt filters, focusing on reducing harmonic loading in drive systems. It discusses the pros and cons of parallel and series approaches, as well as active and passive solutions, supplemented by practical results from several case st...
Reactive Power Compensation and Overcompensation Reactive Power Compensation and Over compensation are closely related concepts in power systems management, particularly in the context of maintaining an optimal power factor and ensuring the efficient operation of electrical networks. Reactive Power Compensation Reactive Power is the component of electrical power that oscillates between the source ...
Benefits of reactive power compensation What is reactive power? Reactive power is the electrical energy used to establish and maintain a circuit's electric and magnetic fields, particularly in devices with electromagnetic coils. Reactive power is measured in VAR (volt-amperes reactive) or kVAR (kilovolt-ampere active). The formula for reactive power is: Q=V×I×sinϕ Q: reacti...
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 ...
Supercapacitors vs. Lead-Acid Batteries The energy storage systems used in photovoltaic (PV) installations play a crucial role in ensuring the longevity and efficiency of the entire system. In particular, off-grid and hybrid PV installations rely heavily on effective energy storage solutions, making the selection of storage technology a key consideration. Traditionally, lead-acid batteries have be...
Modular Static Var Generator and Modular Capacitors Modular Static Var Generators (SVG) and Modular Capacitors are critical components in modern power systems, particularly for managing reactive power and improving power quality. Here’s an overview of each and their interrelationship: Modular Static Var Generator (SVG) Definition: A Modular Static Var Generator(SVG) is an advanced power elec...