220kV沙河变电站运行安全风险评价

发布时间：2018-05-24 15:22

本文选题：变电站 + 运行安全　；参考：《华北电力大学》2017年硕士论文

【摘要】：在经济不断发展的背景下,电力能源在日常生活中的消耗越来越大,电力系统的稳定运行对我国国民经济持续、稳定的发展有着直接和深远的影响。伴随着中国电力产业类型和结构的优化,变电站建设投运数量的增多,变电运行设备的增加,加上变电站运行过程中面临的风险愈加严峻,使得风险控制在我国变电站运行过程中变得尤为重要和紧迫。风险评价可以使管理者对变电站运行的安全程度做到心中有数,增加其对风险的控制能力。对变电站运行进行风险评价更利于我们看清变电站日常运行过程中存在的安全风险,更利于我们把握各种风险因素发生的概率和风险发生时所产生的影响,进而通过采取有效的应对措施,将风险发生率及发生的后果降至最低。风险评价是保障电力系统安全稳定运行的重要一环。然而在当今环境下,变电站运行安全风险评价机制还没有进入成熟化,而且相关管理者的风险意识又相对淡薄。对变电站运行安全风险进行评价研究,可以更加准确的把握变电站日常维护管理工作中的疏漏点,提高变电站运行安全系数,增加电力系统运行的稳定性。本文通过分析当前我国变电站日常运行过程中存在的风险,并借鉴国内和国外变电站运行安全风险评价管理的研究,将变电站运行安全风险分为四个方面,主要包括人的风险,设备的风险,环境的风险和管理的风险。根据指标选取原则,建成相应的变电站运行安全风险评价指标体系,运用网络分析法以及模糊理论,确定各个风险指标的权重值,并运用定量与定性分析结合的方法,对变电站运行安全风险进行评价,通过计算证实该风险评价机制具有良好的准确性和可靠性。因此,通过此风险评价体系能够有效地对变电站运行安全风险做出评价,最终达到提前防范风险的目的。
[Abstract]:With the continuous development of the economy, the consumption of power energy in the daily life is increasing. The stable operation of the power system has a direct and far-reaching impact on the sustained and stable development of our national economy. With the optimization of the type and structure of the power industry in China, the quantity of the construction and transportation of the substation is increased, and the power transformer is operated. The risk control is becoming more and more important and urgent in the process of substation operation in our country. Risk assessment can make the manager have a good number of safety in the substation operation, increase the control ability of the risk, and evaluate the risk of substation operation more. It is beneficial for us to see the security risks in the daily operation of the substation, which is better for us to grasp the impact of the probability and risk of various risk factors, and then to minimize the incidence and consequences of the risk by taking effective measures to ensure the safety and stability of the power system. However, in today's environment, the safety risk assessment mechanism of substation operation has not yet entered into maturity, and the risk awareness of the related managers is relatively weak. The evaluation of the safety risk of substation operation can be more accurate to grasp the omission point in the daily maintenance and management of the substation and improve the transformer substation. The safety factor of the station is operated to increase the stability of the operation of the power system. Through the analysis of the current risks in the daily operation of the substation in China and the research on the safety risk assessment management of the domestic and foreign substations, the safety risk of the substation operation is divided into four aspects, including the risk of human and the risk of the equipment. The risk of the environment and the risk of management. According to the principle of index selection, the corresponding evaluation index system of the safety risk of substation operation is built, the weight value of each risk index is determined by using the network analysis method and the fuzzy theory, and the method of combining quantitative and qualitative analysis is used to evaluate the safety risk of the substation operation and through calculation. It is proved that the risk evaluation mechanism has good accuracy and reliability. Therefore, this risk evaluation system can effectively evaluate the safety risk of substation operation and finally achieve the goal of preventing risk in advance.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TM63

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