在多A gen t的二级电压控制系统基本原理的基础上,将多A gen t系统的相关技术引入无功电压快速协调控制,探讨了在电力系统紧急情况下,基于多A gen t的二级电压控制系统的协调和协作方法以及优化控制策略.通过引入虚拟控制A gen t分组的概念,将多A gen t系统中常用的合同网协议应用于二级电压控制的多A gen t协调,改善了紧急状态下系统的电压调控能力.以装有多个静态无功补偿器的新英格兰系统为例进行数字仿真研究,验证了控制策略的有效性和灵活性. Based on the basic principle of Multi-gen voltage control system, the related technology of multi-gen system is introduced into the fast coordinated control of reactive power and voltage, and then, under the condition of emergency in power system, Level voltage control system and the optimization control strategy.Through the introduction of the concept of virtual control A gen t packet, the common contract network protocol used in multi-gen system is applied to the multi-voltage coordination of two-level voltage control, Which improves the voltage regulation ability of the system under emergency condition.The numerical simulation study on a New England system with multiple static var compensators verifies the effectiveness and flexibility of the control strategy.