Medium-voltage distribution line theory line loss analysis system

A technology for distribution lines and analysis systems, applied in the field of medium-voltage power distribution, can solve the problems of increasing the workload of electric power personnel, complicated workload, error efficiency, etc., to enhance the ability to resist disasters, reduce statistical workload, and reduce labor costs. Effect

Inactive Publication Date: 2015-12-09
YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU +9
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Problems solved by technology

On the one hand, the workload is complicated, which increases the workload of electric power per...

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  • Medium-voltage distribution line theory line loss analysis system

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0023] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0024] Take the loss analysis of 10KV medium voltage distribution network as an example:

[0025] 10kV network loss is affected by many factors, which can be divided into three categories according to the nature of each factor, namely grid equipment factors, grid technology factors, and load distribution.

[0026] Grid equipment factors mainly include transformers, lines, reactive power compensation equipment and other factors.

[0027] Power grid technical factors mainly refer to different equipment technologies that have an impact on line loss, including: voltage regulation technology and reactive power compensation technology.

[0028] Load distribution refers to the type of load di...

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Abstract

The present invention provides a medium-voltage distribution line theory line loss analysis system, comprising an information collection part and an analysis part. The information collection part includes a transformer information collection module, a line information collection module, a current information collection module and a load information collection module. The analysis part includes a power grid device analysis module, a power grid technology analysis module and a load distribution analysis module. The power grid device analysis module is configured to analyze the influence on the line loss caused by the selection of a power grid device; the power grid technology analysis module is configured to analyze the influence on the line loss caused by the power grid application technology; and the load distribution analysis module is configured to analyze the influence on the line loss caused by the load distribution. According to the invention, the medium-voltage distribution line theory line loss analysis system is configured to provide reference data for determining whether line losses with different types are reasonable or not, and a data support is provided to the correction of the line loss management of distribution lines exceeding the range of the line loss.

Description

technical field [0001] The invention belongs to the field of medium-voltage power distribution, and in particular relates to a theoretical line loss analysis system for medium-voltage power distribution lines. Background technique [0002] The power distribution system refers to the part of the power system that directly serves users. The medium-voltage distribution network generally refers to the 10kV line outlet from the 110kV / 10kV or 35kV / 10kV step-down substation to the user end. As the end of the power network, the distribution network has a low voltage level, is directly connected to users, has a wide distribution of lines, and has many devices on the network. Therefore, there is an impedance in the system, which inevitably leads to a large number of lines during the conversion, transmission, and distribution of electric energy. loss. [0003] Based on the current status of basic data management, it takes a lot of manpower and material resources to conduct line loss s...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06
Inventor 彭辉李鹏飞李洋子宏施坚江建成
Owner YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU
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