Energy storage device system for primary frequency modulation and automatic generation control (AGC) auxiliary regulation technology
An energy storage device and energy storage technology, which are applied in circuit devices, AC network circuits, and single-network parallel feeding arrangements, etc., can solve the problems that batteries are difficult to complete the charging and discharging cycle, cannot be maintained online, and have no redundant backup. , to improve the ability to deal with sudden failures, reduce thermal stress changes, and improve the effect of economy
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[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0030] Such as figure 1 It is a system diagram of the present invention, which adopts a composite energy storage multi-terminal access system, assists the primary frequency regulation and AGC of the unit through the load distribution system, and improves the response ability of the unit to the "two detailed rules".
[0031] figure 1 1, 2, and 3 are different energy storage devices to realize composite energy storage, and use the complementary characteristics between different energy storages to meet the primary frequency modulation and AGC response capabilities of the unit. Among them, 1 is the storage battery pack 1, 2 is the energy storage battery pack 2, and 3 is the supercapacitor.
[0032] 4 is a multi-port DC-DC converter, that is, a multi-port DC-DC converter. Its internal circuit is DC-AC, AC-DC, which realizes the access and energ...
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