Small wind turbine power system is one of the renewable energy used in households brings economic efficiency and environmental best. Depending on the wind resource, the system of small-scale wind energy can reduce your monthly electric bill from 50% to 90%, great reducing the high cost of long power lines to remote areas, remote mountain, there is a power outage and does not pollute the environment. In the paper, the author gives some research, analysize methods based on theory dynamics and improve speed of rotor suit magnetic pernament generator’s speed. Therefore, build the research direction to design, manufactured product test.