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电网运行全过程风险协调控制体系与架构设计
作者:
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浙江大学电气工程学院,浙江省杭州市 310027

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基金项目:

国家重点研发计划资助项目(2017YFB0902600);国家电网公司科技项目(SGJS0000DKJS1700840)。


System and Framework Design of Risk Coordination Control for Whole Process Operation of Power System
Author:
Affiliation:

Electrical Engineering College of Zhejiang University, Hangzhou, China

Fund Project:

This work is supported by National Key R&D Program of China (No. 2017YFB0902600), State Grid Corporation of China Project (No. SGJS0000DKJS1700840) Research and Application of Key Technology for Intelligent Dispatching and Security Early-warning of Large Power Grid.

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    摘要:

    针对电网运行面临的多重不确定风险,本文从风险发展时序特征和电网运行调控模式的角度分析了风险协调控制的必要性。基于风险协调控制的观点,提出了一种计及中短期、日前、实时和事故后四个阶段的电网运行全过程风险协调控制体系,详细阐述了各阶段的风险优化模型、控制措施和协调策略,提出了五层式软件架构方案,讨论了支撑系统应用的关键技术。最后介绍了全过程风险协调控制体系在浙江电网的初步应用情况。理论分析和工程实践的结果表明,本文所提出的全过程风险协调控制方法能够适应现有的“三公”调度体制,统筹协调各阶段的调度控制决策,实现电网运行风险的逐级跟踪与滚动调控。

    Abstract:

    For the multiple uncertain risk factors faced by the operation of power grid, this paper analyzes the necessity of risk coordination control from the perspective of the sequential characteristic of risk development and the dispatch mode of power grid. Based on the view point of risk coordination control, a system of risk coordination control for the whole process of power grid operation including medium and short-term, day-ahead, real-time and post-contingency is proposed. The risk optimization models, control measures and coordination strategies in each stage are elaborated in detail. The solution based on a five-tier software framework is proposed and key technologies supporting the system application are discussed. Finally, the preliminary implementation of the whole process risk coordination control system in the Zhejiang Power Grid is introduced. The results of theoretical analysis and engineering practice show that the proposed system and framework in this paper can adapt to the “open, fair and just” power dispatch mode, coordinate the risk control decisions in different stages and realize the step-by-step tracking and rolling control for the operating risk of power grid.

    图1 全过程风险协调控制与“三道防线”时序对应关系Fig.1 Corresponding relationship between the whole process risk coordination control and the “three lines of defense” in time-scale
    图2 电网运行全过程风险协调控制流程Fig.2 Flow chart of risk coordinated control for the whole process operation of power system
    图3 全过程风险协调控制系统架构Fig.3 Software framework of whole process risk coordinated control for power system
    图4 基于算法-问题-平台的3层并行架构Fig.4 Three-tier parallel framework based on algorithm, problem and platform
    图5 全过程风险协调控制效果Fig.5 Eeffect of risk coordination for whole process operation
    图 系统运行状态与控制措施的时序逻辑Fig. The sequential logic between system operation state and control strategies
    图 慈溪变接线图Fig. Wiring diagram of Cixi substation
    表 2 后果严重程度定级规则Table 2 Consequence severity rating scheme
    表 1 中短期、日前、实时、事故后风险控制实例Table 1 Examples of risk control in medium and short-term, day-ahead, real-time and post-contingency
    表 3 概率定级规则Table 3 Probability rating scheme
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引用本文

楼贤嗣,马光,郭创新,等.电网运行全过程风险协调控制体系与架构设计[J].电力系统自动化. DOI:10.7500/AEPS20190429011.

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  • 收稿日期:2019-04-29
  • 最后修改日期:2020-01-16
  • 录用日期:2019-08-23
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