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Calculating method of open capacity of distribution network based on multi-interconnecting feeder switch optimization

A technology of open capacity and tie switch, applied in the direction of AC network circuits, electrical components, circuit devices, etc., can solve the problem that the power distribution grid cannot play the role of supporting and expanding the open capacity, and can no longer reflect the openness of the power grid. The actual situation of the capacity and other issues, to achieve the effect of increasing the upper limit of the openable capacity, playing a role in amplification and support, and ensuring the reliability of power supply

Active Publication Date: 2018-10-12
JIANGSU ELECTRIC POWER CO
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Problems solved by technology

The existing openable capacity calculation method is relatively simple. The main basis is that the calculated openable capacity is relatively conservative based on a given network frame and a specific method. When the method changes, the provided openable capacity can no longer reflect The actual situation of the openable capacity of the power grid cannot give full play to the role of the distribution network frame in supporting and expanding the openable capacity.

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  • Calculating method of open capacity of distribution network based on multi-interconnecting feeder switch optimization
  • Calculating method of open capacity of distribution network based on multi-interconnecting feeder switch optimization
  • Calculating method of open capacity of distribution network based on multi-interconnecting feeder switch optimization

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Embodiment Construction

[0039] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0040] The openable capacity calculation method of the distribution network based on multi-connection feeder switch optimization of the present invention forms an optimal network structure by reconfiguring the multi-connection feeder network, and then considers N-1 based on this optimal network structure mode The evaluation of openable capacity can give full play to the role of distribution line connection, and effectively increase the upper limit of openable capacity of the power grid on the premise of ensuring the reliability of power supply.

[0041] Such as figure 1 Shown is the flow chart of the openable capacity calculation method of the distribution network based on multi-connection feeder switch optimization according to the present invention, and the specific steps include:

[0042] (1) Sort the feeders according to ...

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Abstract

The invention discloses a calculating method of open capacity of a distribution network based on multi-interconnecting feeder switch optimization. The method comprises the steps of ranking feeders according to the amount of the interconnection switches, closing all interconnection switches and generating a connected tree according to a topological rule, combining the connected tree and generatinga connected subgraph according to a connection rule, reconstructing the switches in the connected subgraph according to a reconstruction rule, and calculating the open capacity of the feeders in the connected subgraph. The method provided by the invention is connected by the power distribution network and effectively expands the open capacity on the premise of ensuring power distribution reliability; and, the power distribution network frame sufficiently plays a role of enlarging and supporting the open capacity.

Description

technical field [0001] The invention relates to a method for calculating the openable capacity of a distribution network, in particular to a calculation method for the openable capacity of a distribution network based on multi-connection feeder switch optimization. Background technique [0002] Accurately grasping the openable capacity of feeders is of great significance for power supply companies to improve the efficiency of business expansion and installation, reduce the load rate of lines during peak power consumption, and make full use of the carrying capacity of existing equipment. The existing openable capacity calculation method is relatively simple. The main basis is that the calculated openable capacity is relatively conservative based on a given network frame and a specific method. When the method changes, the provided openable capacity can no longer reflect The actual situation of the openable capacity of the power grid cannot give full play to the supporting and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
CPCH02J3/00
Inventor 吴奕胡伟杨梓俊荆江平杨金喜高洁钱仲豪吴佳佳韩锋汪波
Owner JIANGSU ELECTRIC POWER CO
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