【摘要】 介绍了一种大型高压变压器通用微机保护装置的硬件技术方案,分析了装置防拒动和防误动的措施。阐述了保护单元和管理单元的功能和核心芯片的选择问题以及保护单元软件模块化编程的过程、优点和管理单元软件编程过程,解决了实现装置的通用性。该装置采用高性能的DSP+ARM为硬件平台,具有功能完善、运行可靠、通信功能强大等特点,较好地满足了现代系统对大型高压变压器微机保护装置的要求。更多还原

【Abstract】 This article introduces hardware technical scheme of a general micro-processor based protective device for large high voltage transformers,and analyzes countermeasures applied for operation refusal and maloperation.Then,the protective functions,the administration unit and the selection of core chips are carefully described.This paper also introduced module-based programming method and its advantage,the administration unit software structure,and solved realization of generality.With powerful DSP and ARM core chips,this device has perfect protective and communication functions,high reliability,and so on.This device is satisfying modern power system.更多还原