When we talk about modern power systems, two technical domains often overlap but are not always fully understood together: electromagnetic compatibility (EMC) and power quality. Both play crucial roles in ensuring that electrical and electronic equipment perform reliably and efficiently. For companies and industries adopting Static Var Generators (SVGs) and Active Harmonic Filters (AHFs)...
The Problem: Variable Speed Drives Generate Harmonics What is a Variable Speed Drive (VSD/VFD)?A Variable Speed Drive (VSD), also commonly called a Variable Frequency Drive (VFD) or Adjustable Speed Drive (ASD), is an electronic device that controls the speed and torque of an AC electric motor by varying the motor's input frequency and voltage. How Do They Cause Harmonics?The internal design of a ...
From Grid to Wallet: How Energy Storage Systems Drive Cost Savings Electricity isn’t just about keeping lights on—it’s about managing supply, demand, prices, and risk. Energy Storage Systems (ESS) provide a bridge between times when electricity is abundant (and cheap) and when it’s scarce (and expensive). By doing so, ESS helps reduce costs, enhance resilience...
While the terms are sometimes used interchangeably, there's a key conceptual difference between Real-Time Power Factor Correction and Active Power Factor Correction. 1. Real-Time Power Factor Correction (PFC) This is a functional description. It describes any power factor correction system that can dynamically adjust its compensation in response to changes in the load. Goal:&nb...
Modeling and Real-Time Control of Energy Storage Using HPCS Technologies As the global transition toward renewable energy accelerates, energy storage systems (ESS) have become indispensable for maintaining grid stability, managing peak loads, and ensuring continuous power supply. However, the increasing complexity of integrating diverse power sources, variable loads, and bidirectional energ...
Stabilizing Renewable Energy Projects with SVG and AHF – An Engineer’s Perspective In the rapidly growing renewable energy sector, ensuring grid stability is one of the biggest challenges. Solar and wind power, while sustainable, are inherently variable. Voltage fluctuations and harmonic distortions are common issues that can compromise both safety and efficiency of power transmission....
EMC (Electromagnetic Compatibility) testing for an Active Harmonic Filter AHF is critical and non-negotiable. An AHF(APF) is a power electronics device (like a high-frequency inverter) that injects canceling currents into a noisy electrical system. If poorly designed, it can become a significant source of electromagnetic interference (EMI) itself, disrupting other equipment. Conversely, it mu...
As renewable energy adoption accelerates, the integration of photovoltaic (PV) systems with energy storage solutions is reshaping modern power grids. A critical enabler of this transformation is the Power Conversion System (PCS), particularly the 125kW PCS, which plays a vital role in stabilizing, converting, and managing energy flow between PV arrays, battery storage, and the grid. What is...
The YTPQC-SVG Static Var Generator redefines reactive power control through its blend of cutting-edge hardware and intelligent design. At its heart lies a 3-level IGBT inverter capable of delivering sinusoidal output currents with minimal harmonic distortion—a critical advantage over conventional systems. This ensures smooth, jitter-free compensation even under abrupt loa...