本指南提供了统一潮流控制器（UPFC）部署的功能要求，包括UPFC项目的应用条件、系统架构、功能要求、性能要求、主要设备要求、控制和保护要求、辅助系统要求、测试、备件和培训，适用于传输电网中的UPFC。

This guide provides the functional requirements for unified power flow controller (UPFC) deployment, including application conditions, system architecture, function requirements, performance requirements, primary equipment requirements, control and protection requirements, auxiliary system requirements, testing, spares, and training of UPFC projects, which are suitable for UPFC in transmission power grids.