大功率电动机起动对于中压电网瞬态电压降影响研究

从瞬态电压降的产生，阐述了瞬态电压降过大对中压电网的影响。从规范要求入手，参考国内外工程公司相关的计算公式，分析了中压电网中引起瞬态电压降设备的计算方式。并通过示例演算实际工程的瞬态电压降计算流程，为电气工程人员设计提供参考。

Research on the Influence of High Power Motor Start-up on Transient Voltage Drop of Medium Voltage Power Grid

Starting from the generation of transient voltage drop, this paper elaborates the influence of excessive transient voltage drop on medium voltage power grid; and analyzes the calculation method of transient voltage drop in medium voltage power grid based on specifications and with references to related calculation formulas of both domestic and foreign engineering companies. The transient voltage drop calculation procedures are demonstrated with a real engineering case to provide some design reference for electrical engineers.