A Transmission Network Planning Method Considering the Load Transfer Capacity of Distribution Network

A load transfer and transmission network technology, applied in data processing applications, instruments, calculations, etc., can solve problems such as mismatching power transmission and distribution capabilities, reduce total costs, alleviate power flow violations, and take into account system security and economy The effect of sexual demands

Active Publication Date: 2021-08-24
STATE GRID CORP OF CHINA +3
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Problems solved by technology

[0003] The purpose of the present invention is to provide a transmission network planning method that considers the load transfer capacity of the distribution network to solve the problem of mismatching power transmission and distribution capabilities in the prior art

Method used

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  • A Transmission Network Planning Method Considering the Load Transfer Capacity of Distribution Network
  • A Transmission Network Planning Method Considering the Load Transfer Capacity of Distribution Network
  • A Transmission Network Planning Method Considering the Load Transfer Capacity of Distribution Network

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Embodiment 1

[0141] A transmission network planning method that considers the load transfer capacity of the distribution network, followed by the following steps:

[0142] Step 1. Collect the general technical parameters of the main network, wherein the general technical parameters of the main network include node parameters, transmission corridor parameters, and unit operating parameters, and the node parameters include the number of nodes, active load at each node, and substation capacity , load transfer cost, maximum and minimum value of unit output, maximum value of voltage power angle, the transmission corridor parameters include the number of transmission corridors, the number of existing branches of each transmission corridor, the maximum number of buildable branches, the head end Nodes and end nodes, single branch reactance, single branch power flow maximum value, and single branch line construction cost, the unit operating parameters include the ramp rate of the unit after a fault ...

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Abstract

A transmission network planning method considering the load transfer capacity of the distribution network. This method first builds an initial model of the transmission network planning considering the ground state and N-1 expected faults according to the conventional technical parameters of the main network, and establishes a load transfer model, and then The transmission network planning model is obtained by combining the load transfer model with the initial model of transmission network planning considering the ground state and N-1 expected faults, and finally the solver algorithm is used to solve the model. This design not only takes into account the requirements of system security and economy, but also reduces the difficulty of solving the model.

Description

technical field [0001] The invention belongs to the field of distribution network analysis and planning, and in particular relates to a transmission network planning method considering the load transfer capability of the distribution network. Background technique [0002] Scientific and reasonable power grid planning is a prerequisite for ensuring the safety, reliability and economy of the power system. Power grid planning needs to "make good use of incremental power and revitalize stock" to give full play to the power transmission and distribution capabilities of the power grid. As my country's economy enters a new normal state and the reform of the power system advances, the development and investment of my country's power grid are subject to certain constraints. However, in practice, people generally adopt the strategy of hierarchically planning each voltage level system, adopt different methods for planning for power grids of different voltage levels, and rarely conside...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06313G06Q10/0637G06Q50/06
Inventor 刘巨郑倩薇蒋霖杨东俊杜治艾小猛赵红生王博姚伟文劲宇
Owner STATE GRID CORP OF CHINA
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