Centralized-distributed microgrid cluster system and control method
A system control unit, microgrid technology, applied in electrical components, circuit devices, AC network circuits, etc., can solve the problem of large-scale, large-scale, high-penetration promotion and application of fluctuating new energy power such as wind and solar, lack of linkage Complementary and overall optimization, reducing system schedulability and stability, etc.
Inactive Publication Date: 2018-11-13
周锡卫
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Problems solved by technology
[0002] The promotion of new energy power has attracted the attention of governments around the world. Renewable new energy, especially wind energy and solar energy, has been widely used. Due to the instability, intermittent and uncontrollable nature of new energy power, its large proportion and high penetration have been seriously affected. High-rate access and network operation; the distributed wind power generation system is limited to decentralized and independent and miniaturized micro-grid system operation, lack of linkage and complementarity and overall optimization, which reduces the dispatchability and stability of the overall system and hinders wind power generation. Large-scale, large-scale, high-penetration promotion and application of volatile new energy power
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[0022] As an implementation example, combining figure 1 A distributed microgrid cluster system and control method are described, however, the technology and solution of the present invention are not limited to the content given in this embodiment example.
[0023] Such as figure 1 As shown, the present invention proposes a distributed microgrid cluster system and control method, including: A level system control unit (1), A power line (2), A power grid access point (3), A new energy power generation unit (4 ), A energy storage unit (5), A power load (6), A1 power transformation unit (71), A2 power transformation unit (72), A3 power transformation unit (73), A-level control bus (8), A-level communication unit (9), B1 microgrid system control unit (11), B1 power line (12), B1 grid access point (13), B1 new energy power generation unit (14), B1 energy storage unit (15), B1 power load (16), B11 power transformation unit (171), B12 power transformation unit (172), B13 power trans...
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The invention relates to a centralized-distributed microgrid cluster system and a control method and belongs to the new energy power technological field. According to the centralized-distribute microgrid cluster system and the control method, a plurality of distributed microgrids dispersely and independently connected with a grid of an upper level are controlled autonomously; corresponding disperse and independent low-level microgrid system control units receive the power and electric quantity adjustment and control instruction of a microgrid system control unit of an upper level during a specified duration so as to independently adjust and control the microgrids of the low-level microgrid system control units; and therefore, each microgrid can independently control the quantity of interactive power and electricity quantity of the joint of the corresponding microgrid and the grid of the upper level connected with the corresponding microgrid, and controlled sharing can be achieved. Withthe centralized-distributed microgrid cluster system and control method of the invention adopted, the control of the centralized-distributed system of a distributed microgrid cluster can be realized,the overall optimization, adjustment, control, and safe and efficient operation of the distributed microgrids can be realized, and an effective and reliable solution can be provided for large-scale application networking and stable operation of new energy.
Description
technical field [0001] The invention relates to a distributed micro-grid cluster system and a control method, belonging to the technical field of new energy electric power, and in particular to a distributed micro-grid cluster system and a control method. Background technique [0002] The promotion of new energy power has attracted the attention of governments around the world. Renewable new energy, especially wind energy and solar energy, has been widely used. Due to the instability, intermittent and uncontrollable nature of new energy power, its large proportion and high penetration have been seriously affected. High-rate access and network operation; the distributed wind power generation system is limited to decentralized and independent and miniaturized micro-grid system operation, lack of linkage and complementarity and overall optimization, which reduces the dispatchability and stability of the overall system and hinders wind power generation. Large-scale, large-scale,...
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IPC IPC(8): H02J3/38H02J3/28
CPCH02J3/28H02J3/381
Inventor 周锡卫
Owner 周锡卫