动态仿真作业(隐式梯形积分)说明:1.潮流计算采用直角坐标形式保留二阶项的快速潮流算法 2.暂态稳定分析采用改进欧拉法和直接解法 3.发电机模型为三阶模型 4.励磁是1阶模型 -Dynamic simulation operation (implicit trapezoidal integration) Descr iption: power flow calculation using the rectangular form to retain the second order fast load flow algorithm　2. Transient stability analysis using the improved Euler method and direct solution　3. Generator model threeorder model　4 excitation is an order model