作为城市交通一个重要发展方向的超级电容公交车,在其并入电网充电的瞬间会对电网产生一些影响,包括电压跌落、谐波及功率因数等问题。在基于PSCAD仿真建模的基础上对超级电容公交车接入电网产生的电能质量问题进行了分析,进一步验证了超级电容公交车的实用性,对实际项目的开展具有指导意义。 Supercapacitors, an important development direction of urban transport, have some impact on the power grid at the moment of their integration into the grid, including voltage sag, harmonics and power factor. Based on the PSCAD simulation modeling, this paper analyzes the power quality problems caused by the supercapacitor buses connecting to the power grid, and further verifies the practicality of the supercapacitor bus, which is of guiding significance for the actual project implementation.