【摘要】 根据国内中压电网过电压防护技术的发展历程，将其划分为三个阶段，对每个阶段的技术和产品进行详细分析，为行业技术人员在产品的选择上梳清条理、提供依据，以期提高该类产品与供电网络之间的适用性，进而加强对电网保护的全面性和可靠性。更多还原

【Abstract】 The development history of domestic medium-voltage grid overvoltage protection technology is divided into three stages. A detailed analysis of the technologies and products at each stage is provided to help industry technicians with reference in the selection of products, in order to improve the applicability of such products to the power network, leading to enhance the comprehensiveness and reliability of grid protection.更多还原