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Distributed power supply network loss allocation method based on contribution factor theory

A technology of distributed power supply and network loss, applied in the field of power system, can solve the problem of unavoidable loss

Pending Publication Date: 2020-04-10
STATE GRID LIAONING ECONOMIC TECHN INST +2
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Problems solved by technology

[0005] From the power plant to the transmission network to the distribution network and finally to the user, the place where the electric energy is generated and the user are not in the same place under the traditional power generation mode. The electric energy has gone through a long transmission distance, and the loss generated during the transmission process is inevitable.

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  • Distributed power supply network loss allocation method based on contribution factor theory
  • Distributed power supply network loss allocation method based on contribution factor theory
  • Distributed power supply network loss allocation method based on contribution factor theory

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Embodiment Construction

[0045] Network loss is an important comprehensive technical and economic index in the power system. The level of network loss can directly affect the economic benefits of power companies. Therefore, the present invention provides a distributed power supply network loss allocation method based on the contribution factor theory, such as figure 1 as shown, figure 1 It is a flow chart of the method of the present invention, comprising the following steps:

[0046] Step 1: Allocate the network loss before the distributed power supply is connected to industrial or residential users, and then apportion the change in network loss after the distributed power supply is connected to each distributed power supply;

[0047] Step 2: Allocate the changing network loss of each branch in the network to the generator;

[0048] Step 3: Use the contribution factor theory to apportion the change of network loss in the branch to each distributed power supply.

[0049] Among them, the step 1: fir...

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Abstract

The invention belongs to the technical field of power systems, and particularly relates to a distributed power supply network loss allocation method based on a contribution factor theory. The method comprises the following steps of distributing the network loss before the distributed power supply access to the industrial or residential users, and allocating the network loss variation generated after the distributed power supply access to each distributed power supply; allocating the changed network loss of each branch in the network to a generator; and allocating the variable quantity of the network loss in the branch to each distributed power supply by applying the contribution factor theory. According to the invention, the reasonable allocation of the network loss after the distributed power supply access can be realized; on the premise of considering the contribution of each party based on the contribution factor theory, firstly, the network loss before the distributed power supplyaccess is allocated to the industrial or residential users, and then, the network loss variation generated after the distributed power supply access is allocated to each distributed power supply, so that the purpose of network loss allocation is achieved.

Description

technical field [0001] The invention belongs to the technical field of power systems, and in particular relates to a distributed power supply network loss allocation method based on the contribution factor theory. Background technique [0002] The power industry is gradually moving towards marketization. The purpose of the development of the power market is to reduce the price of electricity through a competitive mechanism. At the same time, it also brings new research directions to the traditional power system analysis field. The research on network loss allocation method is one of them. [0003] From the power plant to the transmission network, then to the distribution network, and finally to the user, under the traditional power generation mode, the place where the electric energy is generated and the user are not in the same place. The electric energy has gone through a long transmission distance, and the loss generated during the transmission process is inevitable. When...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
CPCH02J3/00
Inventor 王义贺潘霄张明理梁毅刘岩高靖韩震焘赫鑫邓鑫阳张娜
Owner STATE GRID LIAONING ECONOMIC TECHN INST
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