The paper introduces a method of improving the power factor of catenary by using a synchronous motor.The measurement of the power factor angle with a single chip microprocessor is also discussed.

• 摘要文章介绍了使用同步电动机动态实时的改善接触网功率因数和使用单片机测量功率因素角的方法，并对改善后接触网的性能进行了仿真。