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Method and apparatus for balancing power among power grid partitions

A technology for grid partitioning and power balancing, applied in the field of electric power, can solve problems such as poor reliability of grid power supply and unbalanced distribution of grid output power.

Active Publication Date: 2017-04-26
STATE GRID ZHEJIANG ELECTRIC POWER +3
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Problems solved by technology

[0003] In the prior art, for a power grid in a large area, such as a province, the output power of the power grid is often not balanced, that is, the output power of some areas in the power grid is greater than the required power, and the output power of some areas is less than the required power. This imbalance leads to poor power supply reliability of the grid

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  • Method and apparatus for balancing power among power grid partitions

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] see figure 1 , which shows a flow chart of a power balancing method between grid subregions provided by an embodiment of the present invention, which may include:

[0040] S11: Divide the grid in the target area to obtain multiple grid partitions.

[0041] Wherein, the target area may be set according to actual needs, for example, it may be a certain province. Divide the power grid in the target area to obtain multiple power grid divisions. Specifical...

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Abstract

The invention discloses a method and apparatus for balancing power among power grid partitions. The method includes the following steps: partitioning a power grid within an object area to obtain a plurality of grid partitions; based on the power supply output power, tie-line power, and load occupancy power of each grid partition, computing the state of output balance of each grid partition; transmitting the redundant output power of grid partitions which are at a rich state in terms of output balance to grid partitions which are at an inadequate state in terms of output balance, thus realizing power balance among grid partitions. Therefore, the method firstly divides the power grid within the object region into a plurality of grid partitions, further computes the state of output balance of each grid partition based on the power supply output power, the tie-line power and the load occupancy power of each grid partition, and transmits the redundant output power of grid partitions which are at a rich state in terms of output balance to grid partitions which are at an inadequate state in terms of output balance, and thus implementing power balance of different grid partitions through the transmission of output power.

Description

technical field [0001] The present invention relates to the field of electric power technology, and more specifically, relates to a method and device for balancing electric power between grid divisions. Background technique [0002] The whole composed of substations of various voltages and transmission and distribution lines in the power system is called the power network, referred to as the power grid, which includes three units of power transformation, power transmission, and power distribution; . [0003] In the prior art, for a power grid in a large area, such as a province, the output power of the power grid is often not balanced, that is, the output power of some areas in the power grid is greater than the required power, and the output power of some areas is less than the required power. This imbalance leads to poor power supply reliability of the grid. [0004] To sum up, how to provide a technical solution for realizing power balance between sub-regions of the pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/06
CPCH02J3/06
Inventor 郭锋陆春良吴华华黄静商佳宜吴一峰张俊廖培何洁刘丽新刘梅
Owner STATE GRID ZHEJIANG ELECTRIC POWER
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