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A storage power flow controller (SPFC) using battery storage

This paper describes several new topologies of energy storage systems connected to the grid which can provide concomitant benefits associated with a unified power flow controller-a single device that provide fast control of real and reactive power along a transmission corridor by continuously providing phase angle control, series compensation and shunt reactive power compensation-while at the same time providing several other very important benefits to power system operation such as, harmonic compensation, load leveling, voltage stability improvement and back-up supply. These storage power flow controllers (SPFC) can provide improved power system operation and control, added system security and reduced power system losses.