摘要
阐述了三相四线制供电系统中性线断线后线路末端电压变化的数学模型;分析了中性线断线引起的严重危害。最后,根据交流电路的数学模型研发了一种智能保护装置作为中性线断线保护设备,并详细说明了智能保护装置的功能特点。
A mathematical model of the change of line-end voltage was set up,serious damage in the three-phase four-wire power supply system was analyzed when the negative wire was broken circuit.According to the model of AC circuit,a kind of intelligent protection device as the protecting device was developed.In the end,the features of the device were illustrated.
出处
《低压电器》
北大核心
2011年第5期18-22,31,共6页
Low Voltage Apparatus
关键词
三相四线制
中性线
断线
智能保护装置
供电系统
three-phase four-wire power supplying system
negative wire
broken circuit
intelligent protection device
power supplying system
