电力系统暂态分析 (2).doc
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电力系统暂态分析 (2).doc

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电力系统暂态分析讲义PowerSystemTransientAnalysisLectureTeachingMaterial:《电力系统暂态分析》第二版,李光琦编ClassHour:51ApplyingClass:电气工程及其自动化专业2001级Teacher:杭乃善目录绪论············································································1第一章电力系统故障分析的基本知识·············································1第一节概述··························································1第二节标幺制························································1第三节无限大功率电源供电的三相短路分析·····························4第一章小结···························································7第二章同步发电机突然三相短路分析················································8同步发电机突然三相短路的物理过程及短路电流近似分析············8同步发电机的基本方程、参数和等值电路··························12应用同步发电机基本方程(拉氏运算形式)分析突然三相短路电流···22自动调节励磁装置对短路电流的影响·····························37第二章小结··························································37第三章三相短路的实用计算······················································41周期电流起始值的计算·········································41运算曲线法···················································46计算机算法原理···············································47第四章对称分量法及元件的各序参数和等值电路····································48对称分量法···················································48在不对称故障分析中的应用·····································48同步发电机的负序、零序电抗···································51异步电机的正、负、零序电抗···································52变压器的零序电抗和等值电路···································52输电线路的零序阻抗和等值电路·································56零序网络的构成···············································59第五章不对称短路的分析计算···················································60第一节不对称短路时故障处的短路电流和电压···························60第二节非故障处电流、电压的计算·····································65第六章稳定性问题概述和各元件的机电特性········································66概述·························································66同步发电机组的机电特性·······································67自动调节励磁系统的原理和数学模型·····························73第六章小结·························································74第七章电力系统静态稳定········