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Energy efficiency evaluation method and system for power distribution network containing distributed power supply

A distributed power supply and distribution network technology, applied in the field of power grid, can solve problems such as inaccurate evaluation results, achieve large project value, and improve the effect of input-output ratio

Pending Publication Date: 2020-09-04
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing distribution network energy efficiency evaluation management methods often fail to make reasonable judgments on various elements, especially the subjective factors that easily affect the objectivity of the energy efficiency evaluation results, resulting in inaccurate evaluation results.

Method used

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  • Energy efficiency evaluation method and system for power distribution network containing distributed power supply
  • Energy efficiency evaluation method and system for power distribution network containing distributed power supply
  • Energy efficiency evaluation method and system for power distribution network containing distributed power supply

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Embodiment 1

[0030] refer to figure 1 The schematic diagram is a schematic diagram of the overall process of an energy efficiency evaluation method for a distribution network with distributed power generation proposed in this embodiment, which specifically includes the following steps,

[0031] S1: Construct an energy efficiency evaluation index set including distributed power distribution network; the construction of the energy efficiency evaluation index set is based on the macroscopic operation framework of the distribution network, combined with the input requirements of the operation participants and the expected output and undesired output to build.

[0032] Wherein, the energy efficiency evaluation index set can measure the production technical efficiency of distribution network operation, and its basic elements include distribution network operation participants, basic conditions of distribution network operation and input requirements of each participant.

[0033] Specifically, t...

Embodiment 2

[0107] refer to Figure 4 The schematic diagram is an energy efficiency evaluation system for a distribution network with a distributed power source proposed in this embodiment, and the energy efficiency evaluation method for a distribution network with a distributed power source proposed in the above embodiment can be implemented based on this system.

[0108] Specifically, the system includes an index set building module 100, an energy efficiency function building module 200, a function solving module 300 and a sorting module 400, wherein,

[0109] The index set construction module 100 can consider the inherent characteristics of the energy efficiency of the distribution network from the perspective of operation, clarify the operation participants and operating conditions of the distribution network including distributed power generation, and combine the network loss and undesired output of the distribution network operation, Construct an energy efficiency evaluation index s...

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Abstract

The invention discloses an energy efficiency evaluation method and system for a power distribution network containing a distributed power supply, and the method comprises the steps: constructing an energy efficiency evaluation index set of the power distribution network containing the distributed power supply; combining the quantifiable energy efficiency evaluation index set to construct an energyefficiency function between operation input and output of the power distribution network containing the distributed power supply; solving an energy efficiency function based on the super-efficiency model by taking the highest energy efficiency value of each power distribution network as a target; and according to the solved energy efficiency evaluation values, performing full sorting on the evaluation objects to obtain a sorting result of the evaluation objects containing the distributed power supply distribution network. The method has the advantages that the influence of subjective factorson the objectivity of the energy efficiency evaluation result is effectively avoided, the optimal construction sequence of the distributed power supply and the power distribution network is obtained,the input-output ratio is remarkably increased, and the method has high engineering value.

Description

technical field [0001] The invention relates to the technical field of power grids, in particular to an energy efficiency evaluation method and system for distribution networks with distributed power sources. Background technique [0002] In recent years, while distributed power generation has improved the utilization rate of new energy in the distribution network and reduced the amount of pollutant discharge, it has made the network structure, evaluation management, etc. demanding. [0003] From the perspective of operation, the energy efficiency of distribution networks with distributed power can be defined as different distribution networks with established grid-connected schemes of distributed power, under the premise of ensuring their safe and stable operation and high-quality and reliable power supply The efficiency with which the input of all parties involved in the operation is transformed into the final expected output. The energy efficiency of distribution networ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/18G06Q10/04G06Q10/06G06Q50/06
CPCG06F17/18G06Q10/04G06Q10/06393G06Q50/06Y02E40/70Y04S10/50Y02P90/82
Inventor 熊楠宁楠赵维兴饶赟袁龙宋尧杨芸懿黎华龙刘兴艳何先奎
Owner GUIZHOU POWER GRID CO LTD
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