【作者】 蔡亮；

【导师】 徐政；

【作者基本信息】 浙江大学 ， 电力系统及其自动化， 2006， 硕士

【摘要】 电力工业是国民经济的重要部门,其发展应当与国家的经济建设相协调。传统上,电力工业投资规模巨大,因此合理地进行电力系统规划可以获得很大的经济效益和社会效益。多年来,电力系统规划都是电力系统研究的基础性课题,一贯受到学科领域的重视。 资产管理是国外新兴的一门专业科学,对电力工业界而言,主要是针对系统中的各种设备,包括发电资产和电网资产。由于电力系统的单一设备资产都是价值不菲的,因而资产管理具有可观的经济效益. 在这种背景下,本文着眼于在电力系统规划和资产管理方面的研究。电力系统规划部分仍然包含电源规划和电网规划。前者着重于考虑分布式发电的电源规划。后者着眼于考虑老化资产的电网规划。在资产管理方面,首先提出了主要的问题和技术,并从另一角度考虑电网资产的利用,维护,更新,特别是老化情况,并将其与规划联系和协调起来。 全文重点分析了电力系统规划(包括电源规划和电网规划)和资产管理的主要内容和研究方法,以及它们所面临的新问题。有代表性地主要解决了以下几个问题: 提出了分布式发电源的备用策略 给出了应用于电源规划的风电出力的有效估计方法 系统发电容量充裕模式下的发电资产结构调整(小火电资产退役或改造) 提出了电网资产老化评估的两个实用模型和老化分析的基本准则 提出了在电网规划和资产管理协调基础上的以容量为变量的输电网关联资产规划(包括资产老化框架,输电网状况估计和优化扩展数学模型) 最后通过9母线HV网络和Garver 6母线系统就相关内容提供了计算,结果证明了其有效性和合理性。更多还原

【Abstract】 As a vital sector, the development electric power industry should be well planned to coordinate with the country’s economical construction. Due to the large investment on electric power system, a proper planning is necessary to receive a considerable benefits. In recent years, power system planning is always to be a fundamental and important subject in electric power discipline.Asset management is a new subject towards the equipments serving for electric power system, which includes generation assets and network assets. Since single asset existed in electric power system is no doubt expensive, therefore, asset management that this paper focused on is to pursue a reasonable utilization.With this background, this paper places the emphasis on studies of power system planning and asset management. It includes generation planning, network planning, generation asset adjustment and network asset management in content. On system planning, it mainly discusses several problems as representatives: the generation planning considering distributed generation and the network planning with aging assets. On asset management, it first raises a list of related issues and techniques, and then studies the aging situation and problem in electric power network, especially on transmission network. Also, together with a assessment on aged assets, a series of considerations regarding network asset utilization, maintenance, replacement, renewal, retirement, as well as a relationship between power system planning and asset management has been presented.Some associated considerations and suggestions has been made with the following contents: A reserve strategy has been given for generation planning with distributed generation;A method to estimation the output of wind farm that applied to generation planning has been presented;a adjustment on generation assets (old/small thermal generation assets retirement/expansion) in regional system has been discussed;related models on assessment of aged asset in electric power network are raised;possible analysis guidelines on network aging have beendiscussed;finally, a capacity-variable transmission system planning model associated with network assets has also been presented.The related two tests on 9 bus HV network and Garver’s 6 bus network shows that the results are acceptable and reasonable.更多还原