目录第1章课题研究的背景与意义 (1)1.1 课题研究的背景与意义 (1)1.2 主要研究内容 (1)1.3 本章小结 (2)第2章变电站的基本资料 (2)2.1 变电站的规模 (2)2.2 电压等级 (2)2.3 本章小结 (3)第3章电气主接线设计 (3)3.1 电气主接线的意义 (3)3.2 电气主接线的基本要求 (3)3.3 电气主接线的基本接线形式 (5)3.4电气主接线的设计原则 (6)第4章配电装置设计及主要设备选型 (7)4.1 站内高压配电装置形式选择 (7)4.2 集电线路的接线设计 (7)4.3 高压隔离开关和高压断路器的选型 (8)4.3.1 高压隔离开关 (8)4.3.2 高压断路器 (8)4.3.3隔离开关及断路器选型结果 (9)4.4 电流互感器和电压互感器 (10)4.4.1 电流互感器 (10)4.4.2 电压互感器 (11)4.4.3 互感器的选型 (12)第5章主变压器选择及无功补偿 (13)5.1 主变压器的选择原则 (13)5.1.1 主变压器选择 (13)5.1.2 主变压器台数的选择 (14)5.1.3 主变压器的容量 (14)5.2 主变压器的确定 (15)5.3 主变压器中性点接地方式 (15)5.4 无功补偿 (17)5.5 本章小结 (17)第6章短路电流计算及主要设备选择 (17)6.1 短路电流的计算目的与危害 (17)6.2 短路电流水平 (19)6.3 短路计算 (19)6.4 短路电流计算结果分析 (20)第7章变电站防雷措施 (21)7.1 风电场变电站的雷电防护措施 (21)7.2 直击雷保护 (21)7.3 雷电侵入波过电压保护 (21)7.3.1 措施 (21)7.3.2 110KV氧化锌避雷器的选型方法 (22)7.3.3 避雷器的选型确定 (22)参考文献 (23)摘要如今，国家的经济水平越来越高，人民的生活水平也越来越高，各个地区电网覆盖范围越来越广，所需的电力负荷不断增加，各地区所需建造变电站的数量也在不断增加。
110KV变电站的加速改造建设也是大势所趋，同时也是国家所倡导的，有利于经济的良性发展，可以拉动内需。
城网和农网变电站建造项目，发展地越来越迅速。
但由于对项目建设区域用电负荷及地域环境的繁杂性，人工智能、电力系统方面相关技术的不断更新换代，和人们对电力能源的转换效率和高质量电能的要求等等方面的限制，如何去设计高质量的110KV变电站，满足经济不断发展所带来的高负荷的需要，是我们当前急需解决的问题。
这是我们未来需要不断深入讨论和研究的核心课题，并且值得我们去认真探索、考究。
变电站的电力系统，是整个设计中最重要的部分，能否建设成一个高质量的变电站，要看电力系统是否合格。
因此，变电站能否安全、顺利、高质量地运转，是与国民经济水平的发展紧密结合在一起的。
我的本次设计是参考任务书、基于任务书的大体要求去进行设计的，论证了变电站的总体设计。
其中，主要是对变电站电气一次部分做了总体分析，对它的组成部分依次做详细分析，论证，根据任务书要求以及电力行业的各项规定，具体设计电气一次部分的各个组成部分，采用目前先进的电气设备来完成本次设计。
其中，主要论述了电气主接线的设计；且通过分析主变压器的容量、调压方式、型号来确定主变压器的选择以及中性点接地方式；通过分析短路电流的危害，并计算短路，来选择电器设备的型号；分析了风电场变电站的无功补偿，确定无功补偿容量及设备选择；并设计了配电装置及其接线设计，以及站内的防雷保护等等，对电气一次系统的设计做成更完整的补充。
根据风电场的装机容量，并依此对它的电力输出进行进行电力变换，从电力转换的效率和稳定性可以看出高质量变电站的重要性。
然后，通过变电站的规模数据，从可靠性、灵活性以及经济性等方面确定110KV，35KV和电力站的主要接线；再根据变电站的原始规模，从主变压器的相数、连接方式、冷却方式及调压方式等几个方面来确定主变压器，并选择合适的容量，型号。
通过查阅相关资料，了解配电装置的选择，并依照短路电流的计算结果，并严格按照电力系统的相关规定来选择本站的高压断路器、高压隔离开关、电流互感器、电压互感器及无功补偿装置等主要设备。
最后依照任务书要求，设计本站的防雷系统，选择相应的防雷设备，从而完成本次设计。
【关键词】风电场；变电站；电气主接线；一次系统ABSTRACTNowadays, the country's economic level is getting higher and higher, people's living standards are getting higher and higher, the power grid coverage in various regions is getting wider and wider, the required electric load is increasing, and the number of substations required in various regions is constantly increasing. increase. The accelerated reconstruction of the 110KV substation is also the trend of the times, and it is also advocated by the state, which is conducive to the sound development of the economy and can stimulate domestic demand. Urban network and rural power substation construction projects are developing more and more rapidly. However, due to the complexity of the electricity load and the geographical environment in the project construction area, the continuous updating of artificial intelligence, power system related technologies, and the requirements of people's conversion efficiency and high-quality electric energy, etc. Todesign high-quality 110KV substation to meet the high load demand brought about by the continuous development of the economy is an urgent problem we need to solve. This is the core topic that we need to continue to discuss and study in the future, and it is worthy of our careful exploration and research.The power system of the substation is the most important part of the whole design. Whether it can be built into a high-quality substation depends on whether the power system is qualified. Therefore, whether a substation can operate safely, smoothly and with high quality is closely integrated with the development of the national economy. My design is based on the task book and the general requirements of the task book, and the overall design of the substation is demonstrated. Among them, the main part is the overall analysis of the primary part of the substation electrical, and the detailed analysis of its components, the demonstration, according to the requirements of the task book and the provisions of the power industry, specifically design the various components of the primary part of the electrical, using the current Advanced electrical equipment to complete this design. Among them, the design of the main electrical wiring is mainly discussed; and the selection of the main transformer and the neutral point grounding method are determined by analyzing the capacity, voltage regulation mode and model of the main transformer; by analyzing the hazard of the short-circuit current and calculating the short circuit, The model of electrical equipment; analyzed the reactive power compensation of wind farm substation, determined the reactive power compensation capacity and equipment selection; and designed the power distribution device and its wiring design, as well as lightning protection in the station, etc., the design of the electrical primary system Make a more complete supplement.According to the installed capacity of the wind farm, and based on the power conversion of its power output, the importance of high-quality substation can be seen from the efficiency and stability of power conversion. Then, through the scale data of the substation, determine the main wiring of 110KV, 35KV and power station from the aspects of reliability, flexibility and economy; then according to the original scale of the substation, the number of phases, connection mode and cooling method of the main transformer Adjust the voltage regulator and other aspects to determine the main transformer, and choose the appropriate capacity, model. By consulting the relevant data, understand the selection of the power distribution device, and according to the calculation result of the short-circuit current, and strictly follow the relevant regulations of the power system to select the high-voltage circuit breaker, high-voltage isolating switch, current transformer, voltage transformer and none of the station. Main equipment such as power compensation devices. Finally, according to the requirements of the task book, design the lightning protection system of the station and select the corresponding lightning protection equipment to complete the design.KEYWORDS:WIND POWER STATION; SUBSTATION; ELECTRICAL MAIN WIRING; PRIMARY SYSTEM第1章课题研究的背景与意义1.1课题研究的背景与意义现如今世界各国对清洁能源，以及化石燃料燃烧带来的自然环境的影响越来越提起重视。