Power Factor Correction

Power Factor Correction (PFC) is an energy saving technology. Through improved energy efficiency, PFC can significantly reduce electricity costs by eliminating Reactive Power Charges, reduce network I2R losses and even free-up available power for plant expansion.

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What is Power Factor Correction?

Power Factor is simply a measure of how efficiently electrical power is consumed. An electrical network operating at unity Power Factor represents a system at 100% efficiency. Anything less than unity means that extra power is required to achieve the actual task at hand. Power Factor Correction is the term given to a technology that is used to restore Power Factor to as close to unity as possible and is normally achieved by the installation of capacitors (occasionally inductors) to the electrical network. Reactive power charges can be eliminated to provide instant savings.

Power Factor Correction

Requirements

We can assess your exact PFC requirements by various means. A recent electricity bill is always a good place to start to determine whether Power Factor Correction will provide a payback. Together with customer supplied information, this is often enough data to make suitable recommendations - if not, a Power Factor survey at your premises may be required.

Organisations with their own in-house engineering team will often carry out the necessary installation work, but if not available, Enspec can also offer installation, commissioning and maintenance services.

Power Factor Correction
Power Factor Correction
Power Factor Correction
Power Factor Correction

Our Solutions

Enspec design and manufacture PFC equipment at all voltage levels (LV to HV) for all applications, including:

Fixed PFC – Perfect for the correction of steady state electrical loads and individual motors.

Automatic PFC – Sometimes referred to as ‘bulk’ PFC as it tends to be installed at or close to the main electricity incomer, it corrects the power factor of the whole system.

Detuned PFC – Fixed, automatic or dynamic, for use on harmonic-laden systems or to avoid possible resonance conditions.

Dynamic PFC – Often referred to as ‘real-time’ power factor correction, thyristor-switched capacitor banks that typically respond within one cycle provide the necessary power factor correction for rapidly changing dynamic loads. This reactive power compensation technology is also often used in voltage control applications.

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Case Study: MITRE PLASTICS

Bringing start-up currents down in line with protective devices to prevent production downtime.

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