Decomposition method and device for real-time simulation model of active power distribution network

A technology of real-time simulation and distribution network, applied in the direction of design optimization/simulation, electrical digital data processing, special data processing applications, etc., can solve the problems of resource waste decomposition results, strong subjectivity, time-consuming, etc., to save resources, The effect of improving decomposition accuracy and improving calculation efficiency

Pending Publication Date: 2020-09-18
CHINA ELECTRIC POWER RES INST +3
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  • Description
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  • Application Information

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Problems solved by technology

[0004] In order to overcome the shortcomings of strong subjectivity, time-consuming, serious resource waste and inaccurate decomposition results in the above-mentioned prior art, the present invention provides a decomposition method for a real-time simulation model of an active distribution network, including:

Method used

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  • Decomposition method and device for real-time simulation model of active power distribution network
  • Decomposition method and device for real-time simulation model of active power distribution network
  • Decomposition method and device for real-time simulation model of active power distribution network

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Embodiment 1

[0077] Embodiment 1 of the present invention provides a method for decomposing a real-time simulation model of an active distribution network. The specific flow chart is as follows figure 1 As shown, the specific process is as follows:

[0078] S101: Determine the number of pre-decomposed networks and pre-decomposed nodes based on the number of real-time simulators and the number of switching devices in the real-time simulation model of the active distribution network;

[0079] S102: Based on the number of pre-decomposed networks and pre-decomposed nodes, pre-decompose the real-time simulation model of the active distribution network to obtain multiple sub-networks, and install interfaces at the pre-decomposed nodes;

[0080] S103: Allocate the sub-network to each real-time simulator through the interface, and adjust the nodes in the sub-network based on the average resource utilization rate of all real-time simulators.

[0081] Determine the number of pre-decomposed networks...

Embodiment 2

[0124] Based on the same inventive concept, Embodiment 2 of the present invention also provides a decomposition device for a real-time simulation model of an active distribution network, including:

[0125] A determination module, configured to determine the number of pre-decomposed networks and pre-decomposed nodes based on the number of real-time simulators and the number of switching devices in the real-time simulation model of the active distribution network;

[0126] The decomposition module is used to pre-decompose the real-time simulation model of the active distribution network to obtain multiple sub-networks based on the pre-decomposed network number and pre-decomposed nodes, and install interfaces at the pre-decomposed nodes;

[0127] The adjustment module is configured to assign the subnet to each real-time simulator through the interface, and adjust the nodes in the subnet based on the average resource utilization rate of all the real-time simulators.

[0128] Iden...

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Abstract

The invention provides a decomposition method and device for a real-time simulation model of an active power distribution network. The method comprises the following steps: determining the number of pre-decomposed networks and pre-decomposed nodes; carrying out pre-decomposition on the active power distribution network real-time simulation model to obtain a plurality of sub-networks, and additionally installing an interface at a pre-decomposition node; and allocating the sub-networks to the real-time simulators, and adjusting the nodes in the sub-networks are adjusted. The active power distribution network real-time simulation model can be objectively decomposed, the decomposition time is greatly shortened, the average resource utilization rate of the real-time simulators is considered, resources are saved, the sub-networks obtained by pre-decomposition are adjusted, and the decomposition accuracy is improved; according to the method, the resource utilization rate of the real-time simulator can be fully utilized, the real-time simulation speed of the power distribution network is increased to the maximum extent, the real-time simulation scale of the power distribution network is expanded, the electromagnetic transient simulation capability of the power distribution network is improved, and technical support is provided for operation analysis, equipment research and development,scheduling control and the like of the power distribution network.

Description

technical field [0001] The invention relates to the technical field of power system simulation, in particular to a method and device for decomposing a real-time simulation model of an active distribution network. Background technique [0002] With the advancement of the construction and transformation of the distribution network of the State Grid Corporation of China, a large number of new equipment such as distributed power sources and electric vehicles are connected to the distribution network. protrude. On the one hand, the distribution network covers a variety of equipment such as loads, transformers, circuit breakers, and ring main units, as well as a large number of power electronic equipment such as distributed power sources, energy storage components, and static var compensators; on the other hand, power distribution The network has developed from the original single-power radial structure and hand-in-hand connection to a dual-power ring network and multi-power grid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F30/18G06F113/04
CPCG06F30/18G06F30/20G06F2113/04
Inventor 张怀天盛万兴刘科研孟晓丽
Owner CHINA ELECTRIC POWER RES INST
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