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Static VAR Compensation System Elspec’s Activar is a solid-state, transient-free VAR compensation system ideal for stable reactive loads. Using SCR-SCR switching and advanced control algorithms, it compensates lagging power factor, filters harmonics (up to the 63rd order), and improves equipment lifespan. Designed for slow-reacting load changes, this power quality solution ensures high efficiency and safety with zero-crossing switching.
Power Quality Solutions in Compact Design Elspec offers compact versions of all its low voltage power quality systems—Activar, Equalizer, and Hybrid—engineered for installations with limited space. Designed in a footprint of just 120 × 102 × 76 cm, these custom-built systems deliver the same high-performance compensation for voltage drops, harmonics, and flicker, all with transient-free zero-crossing switching. Each system is modular, upgradeable, and can be configured for hybrid layouts with integrated active harmonic filtering—without compromising on performance or flexibility.
Real Time Dynamic Compensation at Low Voltage Elspec’s Equalizer is a high-performance power quality solution designed for real-time compensation of dynamic loads. It mitigates voltage drops, filters harmonics, reduces flicker, and corrects reactive power- all in less than 1 network cycle—enhancing efficiency, protecting equipment, and improving process stability. Ideal for industries such as automotive, food & beverage, manufacturing, and renewable energy, the Equalizer ensures stable, reliable power even under fast-changing load conditions. Its thyristor-based zero-crossing switching guarantees smooth, transient-free operation.
Motor Startup Power Quality Solution The Equalizer-ST is a real-time high performance cost effective motor start-up solution, a single system is able to handles multiple motors. Elspec’s Equalizer-ST is a highly accurate motor start-up solution for voltage drops creating by starting large motors, reducing voltage flickering & fluctuations. The Equalizer-ST is a unique system that compensates motor start-up in real time without creating unwanted harmonics.
Real Time Dynamic Compensation at Medium Voltage Elspec’s MV Equalizer stabilizes medium voltage networks by responding instantly to rapid load changes. It mitigates reactive power fluctuations, harmonics, voltage drops, and flicker in real-time—supporting overall grid reliability. Using advanced thyristor-based switching at zero-crossing, it ensures smooth, transient-free operation. With patented PQZIP™ technology and dual DFR units, it delivers precise control, event recording, and I²t protection. Available up to 115 MVAr for indoor or outdoor use.
Advanced Harmonic Mitigation with Real-Time VAR Compensation Elspec PQ-Hybrid is a compact hybrid power quality solution that tackles both harmonic distortion and dynamic reactive power—simultaneously, and in less than one electrical cycle. It combines ultra-fast thyristor-based switching for real-time VAR compensation and Active Harmonic Filter (AHF) that injects counter-currents to eliminate harmonics at the source. The PQ-Hybrid also operates in SVG mode for smooth, stepless compensation, delivering stable, distortion-free power under the most demanding conditions. Ideal for industries with non-linear and rapidly changing loads—such as automotive welding lines, Solar rooftops buildings, semiconductor manufacturing, data centers, banks and renewables.
Real-Time Compensation for 2-Phase Asymmetric Load Conditions Elspec’s Equalizer Unbalanced is designed for 2-phase systems or highly unbalanced 3-phase loads—where one phase consumes 30% or more power than the others. It compensates each phase separately in real time, correcting reactive power, filtering harmonics, and reducing flicker. Ideal for industries with uneven load profiles like textiles, food processing, welding, packaging, and water treatment, it ensures voltage stability, protects equipment, and improves overall power quality.
