简单暂态计算：输入初始功率、无限大系统母线电压、系统等值电抗矩阵、惯性时间常数、间断数、发生故障时段、每段间隔时间；得到结果有不平衡功率、功角增量、电磁功率、发电机转子摇摆曲线-Simple transient calculation: input initial power, infinite system bus voltage, the system equivalent reactance matrix, inertia time constant, continuous number, the failure time, each interval　get results uneven power, power angle increment, electromagnetic power generator rotor swing curves