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Dynamic reliability assessment for bilateral contract electricity providers in restructured power systems

机译：重组电力系统中双边合同电力供应商的动态可靠性评估

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摘要

This paper presents a new method to evaluate dynamic reliability indices for bilateral contract electricity providers in restructured power systems. The proposed method is based on the combination of stochastic processes methods and the universal generating function technique. It can provide dynamic reliability assessment for bilateral providers in restructured power systems. In the proposed method, generating units are represented as multi-state models (up to 10 states and more), which are more accurate than the conventional binary-state models. To avoid the "dimension damnation" problem caused by solving the stochastic process model of the entire system, only the stochastic model for each unit is solved. The state probabilities for the bilateral contract electricity provider and the corresponding reliability indices are evaluated by using simple algebraic operations based on the universal generating function technique. Moreover, techniques for the reliability evaluation of bilateral contract electricity provider considering reserve agreements with other generation companies are also proposed in this paper. An example considering different types of generating units from industry is used to illustrate the proposed method.
机译：本文提出了一种新的方法来评估重组电力系统中双边合同电力供应商的动态可靠性指标。所提出的方法是基于随机过程方法和通用生成函数技术的结合。它可以为重组电力系统中的双边提供商提供动态可靠性评估。在提出的方法中，发电单元被表示为多状态模型（最多10个状态及更多状态），比传统的二进制状态模型更准确。为避免因求解整个系统的随机过程模型而引起的“尺寸损伤”问题，仅求解每个单元的随机模型。通过基于通用发电函数技术的简单代数运算，可以评估双边合同电力提供商的状态概率和相应的可靠性指标。此外，本文还提出了考虑与其他发电公司达成储备协议的双边合同电力供应商的可靠性评估技术。以考虑不同行业发电机组类型的示例为例，说明了该方法。

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  • 来源
    《Electric power systems research》 |2009年第10期|1424-1430|共7页
  • 作者

    Yi Ding; Anatoly Lisnianski; Peng Wang; Lalit Goel; Loh Poh Chiang;

  • 作者单位

    Power Division, School of EEE, Nanyang Technological University, Singapore 639798, Singapore;

    Reliability and Equipment Department, PD&T Division, Israel Electric Corporation Ltd. Israel;

    Power Division, School of EEE, Nanyang Technological University, Singapore 639798, Singapore;

    Power Division, School of EEE, Nanyang Technological University, Singapore 639798, Singapore;

    Power Division, School of EEE, Nanyang Technological University, Singapore 639798, Singapore;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    reliability assessment; bilateral contract; restructured; multi-state; dynamic;

    机译：可靠性评估;双边合同;重组;多状态动态;

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