计算智能在电力系统危机管理中的应用

IF 1.3 Q4 AUTOMATION & CONTROL SYSTEMS
M. Negnevitsky
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引用次数: 10

摘要

在紧急和异常情况下,电力系统操作员必须处理大量数据并采取最适当的补救措施。然而,由于情绪和心理压力,操作人员可能无法充分应对关键条件并做出正确的决策。错误可能会损坏非常昂贵的电力系统设备,甚至更糟,导致重大紧急情况和灾难性情况。智能系统可以发挥咨询作用,建议采取必要的行动,以处理给定的紧急情况或异常情况,以及识别保护系统和断路器的故障。本文概述了塔斯马尼亚大学工程学院在开发电力系统安全智能系统方面获得的一些经验。清除过载的专家系统应用网络敏感因素来确定适当的行动,包括发电重新调度、网络重新配置和负载减少。开发了一个电压控制专家系统,用于检测电压异常,并提供一套有效的控制动作,实时解决电压问题。采用人工神经网络对继电保护和断路器的多重故障进行识别。该系统利用从保护系统接收到的报警信息,能够处理不完整和失真的数据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Computational intelligence applications to crisis management in power systems
In emergency and abnormal conditions, a power system operator has to deal with a large amount of data and apply most appropriate remedial actions. However, due to emotional and psychological stress, an operator may not be able to adequately respond to critical conditions and make correct decisions. Mistakes can damage very expensive power system equipment or worse lead to major emergencies and catastrophic situations. Intelligent systems can play an advisory role suggesting the necessary actions, which should be taken to deal with a given emergency or abnormal condition as well as identifying failures of protection systems and circuit breakers. This paper outlines some experience obtained at the School of Engineering of the University of Tasmania in developing intelligent systems for power systems security. An expert system for clearing overloads applies the network sensitivity factors to determine appropriate actions, which include generation rescheduling, network reconfiguration and load shedding. An expert system for voltage control is developed and used for detecting voltage violations and providing a set of effective control actions to solve voltage problems in real-time. An artificial neural network is used to identify multiple failures of protection relays and circuit breakers. This system uses information received from protection systems in the form of alarms and is able to deal with incomplete and distorted data.
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来源期刊
International Journal of Automation and Control
International Journal of Automation and Control AUTOMATION & CONTROL SYSTEMS-
自引率
41.70%
发文量
50
期刊介绍: IJAAC addresses the evolution and realisation of the theory, algorithms, techniques, schemes and tools for any kind of automation and control platforms including macro, micro and nano scale machineries and systems, with emphasis on implications that state-of-the-art technology choices have on both the feasibility and practicability of the intended applications. This perspective acknowledges the complexity of the automation, instrumentation and process control methods and delineates itself as an interface between the theory and practice existing in parallel over diverse spheres. Topics covered include: -Control theory and practice- Identification and modelling- Mechatronics- Application of soft computing- Real-time issues- Distributed control and remote monitoring- System integration- Fault detection and isolation (FDI)- Virtual instrumentation and control- Fieldbus technology and interfaces- Agriculture, environment, health applications- Industry, military, space applications
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