Optimizing control and capacity planning system and method for involving energy storage device into machine set frequency modulation
An energy storage device, optimized control technology, applied in the direction of AC network load balancing, etc., can solve the problems of small energy capacity, economical efficiency, small instantaneous power, overshoot and overdischarge, and the number of charge and discharge.
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[0097] The present invention will be further described below in conjunction with embodiment.
[0098] The present invention comprehensively considers the frequency modulation characteristics of the hybrid energy storage device and the traditional frequency modulation method, and proposes five typical scenarios for the operation of the energy storage device according to the output of the traditional unit and the offset of the AGC command value, and constructs the corresponding energy storage charge and discharge control strategy; on this basis, an energy storage device capacity optimization calculation model considering the power plant auxiliary service compensation index is constructed. The model introduces the AGC frequency regulation performance index (Kp index), energy storage device investment function and penalty The maximum daily profit of the unit is an optimization function with the goal of determining the capacity of the unit to configure energy storage. A case study ...
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