供热系统中并网直连机组的应用

Application of synchronized direct-connected units in boiler system

概要地阐述了供热系统中并网直连机组产生的必然性，详细介绍了三种类型的并网直连机组，并说明了其适用范围，以及列出了它们的流程工艺。

The necessity of the generation of synchronized direct-connected units in boiler system is general illustrated. It particular introduces three styles of the synchronized direct-connected units and illustrates their scope of application and lists their flow technology.