S7-300 PLC在发电机组并联系统中的应用研究

The application research of S7-300 PLC in generator paralleling system

柴油发电机组作为一种常用的能源供应设备,既可以实现单台设备的对外供电,也可以像UPS电源一样实现多台设备的并联运行,并且这种技术已经在许多领域得到应用。该文介绍了基于PLC控制的多台柴油发电机组的全自动并联系统的设计方法,详细介绍了柴油发电机组多机并联的技术原理和难点、系统的基本组成、软硬件设计方法以及实际使用效果。

Diesel generating set as a common energy supply equipment,it can realize single equipment of the external power supply,can also like UPS power achieve parallel operation of multiple devices,and this technique has been widely used in many fields.This paper introduces the many sets of diesel generating set based on PLC control of automatic parallel system,the design method of the diesel generating set is introduced multimachine parallel technology principle and difficulties,the basic composition,the hardware and software design method of this system and the actual use effect.