Complite program tp operate stepper motor by Atmega8. Good for learninig

RTDS仿真，继电保护三段电流整定保护，在RTDS系统上实现实时仿真，经测试，系统能够正常动作-RTDS simulation, three sections of current setting relay protection, RTDS system to achieve real-time simulation, the test, the system can operate normally

电力系统潮流计算中很经典的算法，简单易懂，很容易操作，只要跟着提示操作就可以了，然后程序自动计算出潮流分布。-Power flow calculation algorithm is very classic, simple, very easy to operate, just follow the prompts on it, then the program automatically calculates the flow distribution.

包含电气工程专业新能源发电课程中的光伏模型和风电并网模型，能在matlab中正常运行。(Including photovoltaic models and wind power grid-connected models in the new energy generation course in electrical engineering, which can operate normally in matlab.)