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Multi-source coordinated optimization control method and system for active distribution network

An active distribution network, coordinated optimization technology, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve the problems that the output prediction accuracy of distributed power sources is highly dependent, and flexible loads that do not consider energy constraints participate in coordinated control, etc.

Inactive Publication Date: 2018-11-02
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
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Problems solved by technology

The coordinated optimal scheduling method confirms that distributed control is the trend of the future active distribution network operation control mode, but it is highly dependent on the accuracy of distributed power output prediction, and does not consider the real-time changes of the energy storage system in the active distribution network Energy constraints and flexible loads participate in coordinated control

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  • Multi-source coordinated optimization control method and system for active distribution network
  • Multi-source coordinated optimization control method and system for active distribution network
  • Multi-source coordinated optimization control method and system for active distribution network

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Embodiment Construction

[0087] The present invention will be described in further detail below in conjunction with the accompanying drawings. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0088] A multi-source coordinated control method for an active distribution network that coordinates global optimization and regional autonomy under multiple time scales, including the following steps:

[0089] As described in step ...

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Abstract

The invention provides a multi-source coordinated optimization control method and a system thereof for an active distribution network, comprising: realizing global optimal control for all controllabledistributed power supply units accessing the entire active distribution network on a long-term scale and realizing regional autonomy control on a short-term scale on the basis of global optimizationcontrol on the long-term scale. The technical solution provided by the invention corrects the deviation between the actual load and the intermittent energy generation and the prediction curve, and atthe same time, greatly alleviates the influence on the feeder outlet power caused by the load and intermittent energy generation power fluctuations since the distributed power source of each autonomous region is fully utilized in the process of the autonomous control to participate in the coordinated adjustment.

Description

technical field [0001] The invention relates to a coordinated control method for an active distribution network, in particular to a multi-source coordinated and optimized control method and system for an active distribution network. Background technique [0002] The application of distributed renewable energy power generation in the distribution network can not only improve resource utilization efficiency, reduce environmental pollution caused by power generation, but also reduce the loss caused by long-distance transmission of the main network, and improve the flexibility of the distribution network. Therefore, in order to realize the full consumption of a large amount of intermittent new energy and the optimal control of various controllable equipment, the active distribution network technology is proposed. The active distribution network is a power distribution system that uses a more flexible network topology for power flow management, thereby actively controlling and ac...

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Application Information

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IPC IPC(8): H02J3/38H02J3/46
CPCH02J3/381H02J3/46H02J2203/20
Inventor 鲍兴川彭林吴军民林为民韩海韵王刚于海徐敏朱亮张泽浩王鹤侯战胜何志敏
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD
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