【摘要】 提出了以C8051F340增强型单片机为核心的新型低压继电保护装置方案,对低压继电保护设备的原理和需求进行了分析,设计了系统的硬件和软件方案并予以实施和试验。试验结果表明,设备具有结构简单、动作可靠性高、采样精度高、操作方便、接口丰富等特点,能够在复杂的现场完成继电保护的各项功能。更多还原

【Abstract】 A new design scheme of low-voltage relay protection device based on the enhanced MCU C8051F340 is put for ward.The principle and requirements of the low-voltage relay protection device is analyzed.The scheme of hardware and soft ware of the system was designed and implemented.The experiment results of the device shows that the device has many charac teristics of simple structure,high reliable action,high sampling accuracy,easy operation and abundant interfaces.The device can complete all function of relay protection in the complex situation.更多还原