适用于独立式交流静态传输系统（STS），旨在通过两个或多个交流独立电源的自动或手动控制传输（有或无中断）来确保负载电源的连续性。包括开关元件及其控制和保护元件的要求（如适用）。IEC 62310的本部分还包括STS及其附件与交流配电系统整体集成的信息

applies to free standing a.c. static transfer systems (STS) intended to ensure the continuity of power to load by automatically or manually controlled transfer, with or without interruption, from two or several a.c. independent sources. includes requirements for the switching elements, their control and protective elements, where applicable. This part of IEC 62310 also includes information for the overall integration of the STS and its accessories into the a.c. power distribution system