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基于Intel 80C196KC的水轮发电机微机励磁控制器的研制
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摘要
本文论述了同步发电机微机励磁装置的特点及发展现状,分析了微机励磁调节的原理和实现方法,提出了基于Intel 80C196KC的水轮发电机可控硅微机励磁控制器的设计思路,并在此基础上研制了水轮发电机可控硅微机励磁控制器的硬件系统和软件模块。
     文中较详细地论述了控制器的主要硬件结构、软件流程图和功能实现方法。控制器采用交流采样技术,降低了硬件成本,提高了动态性能;研制了以Atmel AT90S8515为核心的全数字触发回路,可靠性高、分辨率高,硬件结构简单。各软件功能模块采用模块化设计方法进行设计,便于控制程序修改以及励磁控制器功能的扩充和完善。
     实验室样机实验结果表明:本文设计的硬件、软件系统具有较强的通用性和灵活性,整体性能指标达到或优于国标,经过改进和完善,可直接在工业生产中推广应用。
In this paper, the feature and the development actuality of microcomputer excitation device for synchronous electrical generator are discussed, the theory and implement method of microprocessor based excitation regulation are analysed, the design idea of excitation controller for hydroelectric generator based on microprocessor of INTEL 80C196KC are put forward, on this basis, the hardware system and software module of microprocessor based excitation controller for hydroelectric generator are developed.
    Detailed framework of the main hardware^ flow charts of the main software and their function implementating of the controller are described in the paper. For adopted alternating current sampling technique, the hardware cost are reduced, dynamic performance are improved. Digital pulse circuitry based on Atmel 90S8515 are developed with good reliability and high precision. All software function modules of the controller are programmed by module design method, in this way, modified the program and extended the functions of the controller are facility.
    The developed device has been tested on generator in laboratory. The test result indicates that: the designed hardware and software possess a better flexibility, the whole properties reach or precede state criterion and the device can be applied in industry production by mended.
引文
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