精品文档---下载后可任意编辑本次设计的课题是 60MW 汽轮发电机变压器二次保护设计，本次设计内容通过计算出短路电流选择发电机以及变压器的保护类型，以及整定计算。从保证发电机变压器能够在出现故障及不正常运行情况下可以使设备跳出运行或发出信号考虑设计方案，从而完成 60MW 汽轮发电机及变压器保护设计。 根据本电厂主接线的型式和容量需要对发电机和变压器分别设置主保护和后备保护，使得保护范围缩小，保护能够相互配合，最大程度让电厂供电和输电的可靠性提高，保证供电的稳定。关键词发电厂 变压器 发电机 短路电流计算 保护装置 AbstractThe design of the subject is 60MW turbine generator transformer protection design, the design content through the calculated short circuit current transformer protection and choose generator types, and setting calculation,. From ensuring generator transformer can appear in fault and not the normal operation conditions can make the equipment running or jump out to signal considered the design scheme, thus completing 60MW turbine generator and transformer protection design. According to the power plant type and capacity of the connection to generators and transformers set respectively main protection and backup protection, making the scope of protection, the protection can cooperate with each other, the greatest degree to the reliability of power supply and power transmission improve, guarantee the stability of the power supply. Key wordsPower plant Transformer Generator Calculation of short- circuit current Protector目 录摘要 IAbstractII第 1 章绪论 11.1 设计背景 11.2 设计意义 21.3 国内外进展情况 2第 2 章原始数据分析 4第 3 章系统参数及短路电流计算 83.2 电流互感器的选择 83.3 电压互感器的选择 103.4 短路电流计算的目的和意义 103.5 短路电流的计算 113.5.1 d1 点短路电流计算 113.5.2 d2 点短路电流计算 12第 4 章发电机保护 144.1 发电机纵差保护 144.2 反应发电机零序电压的匝间短路保护 174.2.1 发电机零...
