Eliminating leading or lagging power factor

20th July 2016

Posted By Paul Boughton

Schneider Electric announces the availability of AccuSine PCS+ and AccuSine PFV+ active filters.

The AccuSine line has served the power quality needs of companies all over the world for years; now, the AccuSine+ range uses the latest power electronic components, bringing new functionalities and enhanced performance along with a smaller footprint.

Like its predecessor, the new AccuSine+ is designed to enhance efficiency and productivity across many industries, including water and wastewater, oil and gas, food and beverage, mining, minerals, and metals, HVAC, and automotive. AccuSine PFV+ is also a solution for data centres.

AccuSine PCS+ is a flexible, high-performance active filter that stabilises electrical networks, providing ultra-fast, extremely accurate harmonic cancellation, power factor correction, and load balancing. It exceeds all harmonic standards worldwide and is the only harmonic filter in the world to have THD(I) or THD(V) set points (it provides 3% THD(I) when 3% impedance and filter output is greater than 50% of its rating). Unlike passive filters, AccuSine PCS+ cannot be overloaded and is best applied as a system-wide solution to provide dynamic output that adjusts as the load changes.

That faster response time allows AccuSine PFV+ to correct additional power quality problems such as flicker created by loads internal to the facility. In addition, AccuSine PFV+ has infinite resolution of correction versus capacitor banks that have discrete steps. This results in greater precision and accuracy without voltage spikes caused by stepped capacitor bank changes.

AccuSine PFV+ is a worry-free way to provide power factor correction, as it doesn’t have the risk of resonance or harmonic overload that is so common with capacitor banks. Additionally, its volt-var voltage regulation feature is unique in a standard package, allowing the unit to maintain the mains voltage set point with external control allowed.

Both AccuSine PCS+ and PFV+ feature flexible, multi-function designs that offer top or bottom cable routing and are more compact than previous AccuSine models, saving floor space. Both feature electronic displacement power factor correction, step-less response for power factor correction, mains current balancing, and var injection.


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