Active Power Filters Provide a Cost- Effective, Flexible Solution for System Harmonic Control

Although the preponderance of electronic equipment in our professional environment makes work more convenient, these devices complicate demands on facility wiring and power utilities. Most facilities employ a variety of devices such as multiple switch mode power supplies, motors, fans, and other nonlinear loads. Among the adverse effects of multiple nonlinear loads are voltage distortion, excessive neutral return currents, reduced utilization of available power, and power factor penalties