Power distribution network overall planning method and system

A distribution network and planning technology, applied in information technology support systems, electrical components, circuit devices, etc., can solve the problems of insufficient distribution network investment, low reliability, and high line loss rate

Inactive Publication Date: 2017-08-11
TIANDAQIUSHI ELECTRIC POWER HIGH TECH CO LTD
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Problems solved by technology

However, for a long time, my country's distribution network investment has been insufficient, resulting in a weak distribution network foundation, low reliability, and high line loss rate
[0003] In order to effectively improve the overall level of the distribution network, it is necessary to start from the technical level. On the basis of detailed analysis of the power supply requ

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  • Power distribution network overall planning method and system
  • Power distribution network overall planning method and system
  • Power distribution network overall planning method and system

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Embodiment Construction

[0073] 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.

[0074] This embodiment takes the transformation and construction of distribution networks in typical cities in Yunnan Province as an example:

[0075] 1. The concept of grid planning

[0076] Distribution network grid planning refers to the division of the medium-voltage distribution network into several power supply grids according to the reasonable planning of the block based on the power demand of the plot. Each power grid can independently undertake the normal power supply of the block. task, to meet the reliability requirements of power consumption in the block, and to reserve spare capacity to meet the demand for future load growth, and to form a power distribution system including grid, site, channel, communication, automation, protection and informatization An overall planning method for network pla...

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Abstract

The invention provides a power distribution network overall planning method and system. The power distribution network overall planning method includes the steps: 1) dividing power supply areas; 2) determining the power supply area attribute and the planning strategy; 3) carding the present situation of grids; 4) predicting load; 5) determining the planning target; 6) dividing the power supply grids; 7) planning a power supply grid present situation wiring diagram and a target wiring diagram; 8) determining the planning scheme and the transitional scheme; 9) forming concrete implementation projects; and 10) compiling the line channel planning. The power distribution network overall planning method and system can systematically guide planning and construct a medium voltage power distribution network rack so as to guarantee reliability and firmness of the medium voltage power distribution network. The power distribution network overall planning method and system can construct a power distribution network with necessary capacity margin, proper load transferring capability, certain self-healing capability and emergency processing capability, and reasonable distributed power supply admission capability, and can safely, reliably and economically supply power for the user.

Description

technical field [0001] The invention belongs to the field of power system distribution networks, and in particular relates to a grid-based distribution network overall planning method and system. Background technique [0002] As the last link from the power system to users, the power distribution link has the closest relationship with users and has the most direct impact on the overall performance efficiency of the system and the quality of power supply for users. Therefore, in order to truly achieve "customer-centric" and improve service levels, a reliable distribution network must be supported. However, for a long time, my country's distribution network investment has been insufficient, resulting in a weak distribution network foundation, low reliability, and high line loss rate. [0003] In order to effectively improve the overall level of the distribution network, it is necessary to start from the technical level. On the basis of detailed analysis of the power supply re...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q10/04G06Q50/06H02J3/00
CPCG06Q10/04G06Q10/06315G06Q10/0637G06Q50/06H02J3/00H02J3/003H02J2203/20Y04S10/50
Inventor 李鹏飞李彦海
Owner TIANDAQIUSHI ELECTRIC POWER HIGH TECH CO LTD
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