自动并列装置是现代发电厂重要的自动装置之一，在发电厂的日常运行中负责发电机的并列操作，性能优良的自动并列装置不仅能够保证并列操作的顺利进行，而且能够提高供电可靠性和电能质量。 首先，本文从同步发电机并列原理出发，分析了由于并列条件不满足而产生的影响。然后，按照并列装置的调节需求，设计了模糊PID控制器，并利用Matlab仿真软件分析了模糊控制器的控制效果。最后，针对实验室的同步发电机，设计并制作了同步发电机自动准同期并列装置。在分析同步发电机并列原理的基础上，参考相关设计标准，设计了自动并列装置的硬件系统，利用Multisim仿真软件分析了部分检测电路的性能，制作了装置所需的硬件电路，并完成了相关硬件电路的调试。选用TMS320F2812作为微机型并列装置的控制核心，利用CCS集成开发环境，完成了软件系统的设计。 本装置能够检测并调节同步发电机的电压和频率，在满足并列条件的情况下，完成并列操作。

Automatic Paralleling device is one of the important automatic devices in Modern Electric Generating Stations, and it is a frequent performance of the Synchronous generator in the daily operation of the power plant. The Automatic Paralleling System with excellent performance can not only ensure the smooth progress of all operations smooth operation, but also can improve high reliability and power supply quality. Firstly, this paper, from the perspective of joint operation of synchronous generator, analyzes the impact since the equal condition is not satisfied. Then, In accordance with the regulatory demand of paralleling device, this paper derived a mathematical model of Fuzzy PID controller which is applicable to this project, and use the Matlab simulation software analyzed the control effect of fuzzy controller. Finally, in view of the electric machines laboratory of Xi'an University of Science and Technology, this paper designed and produced a Synchronous generator automatic quasi-synchronization device. On the basis of analyzing the principle of joint operation of synchronous generator, referring to relevant design standards, this paper develops a Hardware system of the Automatic Paralleling System, making a good use of Multisim simulation software to analyze the performance of detected circuit, manufacturing the required hardware circuit which is used for the device, and fulfilling the debugging of the hardware circuits. TMS320F2812 is elected as the control core of Microprocessor-based parallel device, on account of CCS integrated development environment, the software system is designed. This device can automatically detect and adjust the voltage and frequency of synchronous generator, and complete joint operation in the case of equal condition. Key words: Synchronic generator, Automatic quasi-synchronizing, Fuzzy PID TMS320F2812