计及可靠性评估的中压配电网规划方案比选
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陕西省自然科学基础研究计划资助项目(2016JM5072)


Comparison and Selection of MV Distribution Network Planning Schemes Considering Reliability Assessment
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    摘要:

    从可靠性参数搜集及计算方法和备选规划方案比选两方面切入,进一步丰富DL/T 1503-2016中压配电网可靠性评估导则在规划中的应用,提出了基于可靠性评估的中压配电网的方案形成与比选方法,内容包括相关参数的搜集、可靠性计算方法和方案比选。综合考虑可靠性与经济性,基于"有无对比法"给出配电网投资的增量净效益计算模型,并分析不同网架供电能力与负荷需求关系下净效益简化模型与全寿命周期成本最小化比选方案的异同。基于全寿命周期净现值、净现值率等动态指标进行投资成本效益分析,可用于多个方案的比选。案例表明,本文方法有效。

    Abstract:

    From two aspects of the collection and calculation methods of reliability parameters and the selection of planning schemes,a formation and selection method of MV distribution network planning schemes considering reliability assessment is proposed in this paper,and the application of the guidance on the reliability evaluation of MV distribution network is furtherly enriched.This method includes parameter collection,reliability evaluation algorithm and formulation and comparison of schemes.Cooperating reliability and economy,the incremental net benefit model of investment is proposed based on "with&without comparison evaluation method",and the difference between the simplified model and the scheme comparison method based on life cycle cost minimization is analyzed under different power supply capacity and load demand.The investment cost&benefit is analyzed based on dynamic economic indicators,such as net present value and net present value rate,which can be used for multiple options.The case shows that the proposed method is feasible and effective.

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杨文丽.计及可靠性评估的中压配电网规划方案比选[J].电力工程技术,2018,37(2):13-19,43

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历史
  • 收稿日期:2017-11-04
  • 最后修改日期:2017-12-12
  • 录用日期:2018-01-08
  • 在线发布日期: 2018-04-02
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