Distributed power supply combined power generation system and dispatching coordination control method

A technology of distributed power supply and distributed power generation, which is applied in the direction of single-grid parallel feeding arrangement, etc., can solve the problems of lack of coordinated control and low grid stability.

Inactive Publication Date: 2015-09-16
STATE GRID CORP OF CHINA +3
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a distributed power generation combined power generation system and a dispatching cooperative control method to solve the current problem of low grid stability caused by the lack of coordinated control of distributed power sources connected to the distribution network

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  • Distributed power supply combined power generation system and dispatching coordination control method
  • Distributed power supply combined power generation system and dispatching coordination control method
  • Distributed power supply combined power generation system and dispatching coordination control method

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Embodiment Construction

[0034] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0035] An embodiment of a distributed power generation combined power generation system of the present invention

[0036] In order to coordinate the contradiction between smart grids and distributed power sources, the present invention combines various types of distributed power sources with relatively close installation positions to form a multi-distributed power source joint control body, and each power source joint control body is equipped with a corresponding joint The coordinator, the joint coordinator communicates with the body controllers of the distributed power generation equipment in the joint control body of the power source, and the joint coordinator receives the power generation plan issued by the distribution network, and according to the power of the joint control body of the power source The current power generation, power ge...

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Abstract

The invention relates to a distributed power supply combined power generation system and a dispatching coordination control method. All distributed power supplies accessing to the distribution network are divided into a plurality of distributed power supply combined control bodies according to installation sites; each power supply combined control body is respectively provided with a corresponding combined coordinator; each combined coordinator is used for adjusting the generating capacity of each distributed power generation equipment according to the current generating capacity and generating cost of each distributed power generation equipment in the corresponding power supply combined control body and the generation schedule of the corresponding power supply combined control body issued by the distribution network; when the generation scheduling value is greater than the current generating capacity of the power supply combined control body, the generating capacity of each power generation equipment in the power supply combined control body is increased; and when the generation scheduling value is smaller than the current generating capacity of the power supply combined control body, the generating capacity of each power generation equipment is inhibited. The system can realize reasonable decomposition of the generation schedule and realize controllable distributed power supply combined generating capacity while the economy of power generation is taken into account according to the generation schedule issued by the distribution network.

Description

technical field [0001] The invention relates to a distributed power generation combined power generation system and a dispatching coordination control method, belonging to the technical field of distributed power source control. Background technique [0002] With the development of distributed power generation technology, more and more distributed power sources are connected to the grid. At present, distributed power sources are connected to the grid separately, and the uncertainty of each distributed power generation itself makes it impossible to provide The power grid brings stable power, and with the increase of distributed power sources connected to the power grid, the impact of distributed power sources connected to the power grid on the power grid is also increasing. At the same time, after each distributed power source is connected to the power grid, its power generation is completely controlled by itself, without planning, and the power grid cannot control it accordi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/46
Inventor 毛建容鞠洪新张斐斐安永军马红伟
Owner STATE GRID CORP OF CHINA
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