Cooperative control method and system of battery energy storage power source participating in secondary frequency modulation of power grid
A battery energy storage, secondary frequency modulation technology, applied in electrical components, circuit devices, AC network circuits, etc., can solve the problems of long response time lag, insufficient frequency modulation capacity, reverse and deviation, etc.
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[0071] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0072] The main idea of the present invention is: install the battery energy storage power supply in the regional power grid that needs to be coordinated, collect the area control deviation (Area Control Error, ACE) signal from the control center in real time, and match the set adjustment dead zone (Dead Band, DB )comparing. To maximize the realization of ACE signal as the control goal, to meet the secondary frequency modulation transient and steady-state performance, to maintain a good charge / discharge capacity and good SOC level of the battery energy storage power supply as the control principle, first determine whether the real-time ACE signal of the power grid is If the set adjustment dead zone is crossed, both the battery energy storage power supply and the traditional frequency modulation power supply will participate in the secondary frequency ...
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