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Transmission and distribution coordinated dispatching target cascaded analysis method of high-proportion renewable energy source power system

A technology for renewable energy, power systems, applied in the field of power grids, which can solve problems such as lack of solutions

Inactive Publication Date: 2018-09-28
SHANDONG UNIV +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] However, in the prior art, there is still a lack of effective solutions to the technical problems of the coordinated operation of the transmission network and the active distribution network in a high-proportion renewable energy power system.

Method used

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  • Transmission and distribution coordinated dispatching target cascaded analysis method of high-proportion renewable energy source power system
  • Transmission and distribution coordinated dispatching target cascaded analysis method of high-proportion renewable energy source power system
  • Transmission and distribution coordinated dispatching target cascaded analysis method of high-proportion renewable energy source power system

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Embodiment Construction

[0108] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0109] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0110] In this application, the "transmission and distribution coordinated scheduling framework and decompositio...

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Abstract

The invention discloses a transmission and distribution coordinated dispatching target cascaded analysis method of a high-proportion renewable energy source power system. The transmission and distribution coordinated dispatching target cascaded analysis method of the high-proportion renewable energy source power system comprises a local scheduling layer which is a scheduling unit for performing joint output optimization on a distributed renewable energy source in the interior of one power distribution network; a power transmission network and a power distribution network which separately serves as autonomous main bodies for decoupling through border frequency and optimizing resources in zones separately and cooperating with each other to schedule a power transmission plan, wherein a powertransmission network scheduling layer is to perform uncertainty modeling on the renewable energy source based on the improved interval optimization method to construct an energy and standby coordinative optimization model, and the power distribution network scheduling layer is a local scheduling layer set for the distributed renewable energy sources and performs joint output optimization by utilizing a scene method and combining with an energy storage system, thereby constructing the distribution network layer sub-problems into a dynamic economic scheduling model with optimal economical efficiency and with a target of absorbing the distributed renewable energy source joint output in the local scheduling layer.

Description

technical field [0001] The invention relates to the technical field of power grids, in particular to a cascading analysis method for transmission and distribution coordination and scheduling targets of high-proportion renewable energy power systems. Background technique [0002] With a large number of distributed power sources connected to the power distribution system, the operation of the distribution network presents a more flexible and changeable trend, and the traditional distribution network is gradually transformed into an "active distribution network" (Active Distribution Network, ADN). The interaction between the Internet is getting closer and closer. At the same time, the proportion of wind power and other renewable energy in the power grid is increasing, and both centralized and distributed renewable energy are facing difficulties in consumption. Under the new situation, the dispatching of the high-proportion renewable energy grid will shift from the regulation f...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00H02J3/46
CPCH02J3/46H02J13/0017H02J2203/20Y02E40/70Y04S10/123Y04S10/50
Inventor 王洪涛张旭唐亮孙辰军王卓然
Owner SHANDONG UNIV
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