中文说明：IEEE经典30节点系统模型,含6个常规发电机组，可用于电力系统仿真，负荷调度控制，潮流计算，有功频率控制，电压控制仿真等
English Description：
IEEE classic 30 bus system model, including 6 conventional generators, can be used for power system simulation, load dispatching control, power flow calculation, active frequency control, voltage control simulation, etc