Running control system of AC-DC hybrid distributed system
A distributed system, AC and DC hybrid technology, applied in the direction of electrical components, etc., can solve the problems of reduced control amount, difficult operation control, and increased control complexity
Active Publication Date: 2018-11-02
BEIJING SIFANG JIBAO AUTOMATION
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Problems solved by technology
[0003] Compared with the AC system, the DC system is mostly power electronic equipment, the system inertia is small, and the relative AC voltage and frequency are only DC voltage, the control amount is reduced, but due to the existence of distributed power supply, its control complexity increases
Due to the existence of AC, DC and AC-DC mixed regions in the AC-DC hybrid system, its operation control is more difficult
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[0046] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the drawings. The same reference signs in the drawings indicate elements with the same or similar functions. Although various aspects of the embodiments are shown in the drawings, unless otherwise noted, the drawings are not necessarily drawn to scale.
[0047] The dedicated word "exemplary" here means "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" need not be construed as being superior or better than other embodiments.
[0048] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific embodiments. Those skilled in the art should understand that without certain specific details, the present disclosure can also be implemented. In some instances, the methods, means, elements, and circuits well-known to those skilled in th...
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The invention relates to a running control system of an AC-DC hybrid distributed system. The running control system comprises an operation management layer, energy management layers and a synergic control layer, wherein the operation management layer is connected with a plurality of energy management layers via a cloud network and is used for sending a dispatching instruction corresponding to running data of a power parameter of each energy management layer to each energy management layer, the energy management layers are connected with the AC-DC hybrid distributed system and the synergic control layer and is used for sending a control instruction corresponding to a power parameter of the AC-DC hybrid distributed system to the synergic control layer according to the dispatching instruction, and the synergic control layer is used for sending the received control instruction to the AC-DC hybrid distributed system so that the AC-DC hybrid distributed system executes the control instruction. By the running control system, an integrated running control system is provided for a single AC-DC hybrid distributed system, a uniform cloud running management mechanism is also provided for a plurality of AC-DC hybrid distributed systems, so that an intelligent solution scheme is provided for a large-scale management system.
Description
Technical field [0001] The present disclosure relates to the field of distributed power generation and microgrid, and more particularly to an operation control system of an AC / DC hybrid distributed system. Background technique [0002] In traditional AC distribution networks, AC-DC converters are set up for DC loads (such as air conditioners, data servers, etc.). Among them, the AC-DC conversion device has problems such as high loss, poor flexibility in power distribution and low matching of power distribution links when performing AC-DC energy conversion. At the same time, with the development of power electronics and new energy technologies, DC system advantages It becomes more and more prominent, therefore, the DC distributed system based on new energy has become an important research and development direction in the field of power distribution. Since the traditional power grid is an AC power grid, in order to solve the integration problem of the DC power grid and the AC powe...
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IPC IPC(8): H02J5/00
CPCH02J5/00
Inventor 刘千杰葛亮乔峰吴家宏张雯王家华吴恒陈玉峰
Owner BEIJING SIFANG JIBAO AUTOMATION