Utility scale renewable energy system controls for ramp-rate, voltage, and frequency management

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United States of America Patent

PATENT NO 9941700
SERIAL NO

14585835

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Abstract

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An energy system includes renewable energy sources each including an inverter. The renewable source inverters are coupled to a distribution line in a manner wherein power combines additively. The system also includes an energy storage source including an energy storage inverter coupled to the distribution line between the point of interconnection and the renewable source inverters. Finally, a control system is structured to: (i) control a voltage at the point of interconnection by controlling a renewable source reactive power output by the renewable source inverters and an energy storage reactive power output by the energy storage inverter, and (ii) provide power ramp rate control for the renewable energy system by controlling at least one of a renewable source real power output by each of the renewable source inverters and a first energy storage real power output by the energy storage inverter.

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Patent Owner(s)

Patent OwnerAddress
EATON INTELLIGENT POWER LIMITEDDUBLIN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bhavaraju, Vijay Germantown, US 28 1513
Familiant, Yakov L Milwaukee, US 4 69
Fu, Qiang Milwaukee, US 385 2528
Thompson, Christopher S Kingston, US 6 41

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