SYSTEMS AND METHODS FOR BALANCING GRID VOLTAGE USING REAL POWER TRANSFER

Abstract: disclosed is a method for voltage balancing. the method comprises (a) calculating an average voltage value from voltages of first and second phases of the multiphase grid system. the method also comprises (b) determining at least (1) a first voltage difference and (2) a second voltage difference. the method also comprises (c) producing at least (1) a first real current reference based on the first voltage difference and (2) a second real current reference based on the second voltage difference. the method also comprises (d) generating at least (1) a first alternating current (ac) voltage reference and (2) a second ac voltage reference. the method also comprises (e) modulating the first ac voltage reference and the second ac voltage reference to generate an input for a voltage source converter. the method also comprises (f) using at least the modulated input to provide real current to the multiphase grid system.

Inventor(s): Mihai Ciobotaru, Michael Wishart

CPC Classification: H02J3/16 (CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY)

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