| 基于DSP的直流短路故障电流快速识别装置 |
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| 引用本文： | 史强,屈乐圣,江波,艾兵,吴翊.基于DSP的直流短路故障电流快速识别装置[J].低压电器,2013(17):26-30. |
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| 作者姓名： | 史强 屈乐圣 江波 艾兵 吴翊 |
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| 作者单位： | [1]四川电力科学研究院,四川成都610072 [2]西安产品质量监督检验院,陕西西安710065 [3]西安交通大学电气学院,陕西西安710049 |
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| 摘 要： | 根据直流系统短路故障电流的特点,设计了以DSP为核心,利用电流上升率和电流幅值判断直流短路电流的快速识别装置.该装置采用自制PCB罗氏线圈和霍尔传感器采集电流信号,经放大滤波后输入DSP控制电路运算分析,输出相应动作信号,在此基础上完成了软件设计.试验证明,该装置判断准确,稳定可靠,响应迅速.
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| 关 键 词： | DSP 直流 短路电流 快速识别 |
Development of Rapid Identification Device About DC Short Circuit Fault Current Based on DSP |
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| SHI Qiang,QU Lesheng,JIANG Bo,AI Bing,WU Yi.Development of Rapid Identification Device About DC Short Circuit Fault Current Based on DSP[J].Low Voltage Apparatus,2013(17):26-30. |
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| Authors: | SHI Qiang QU Lesheng JIANG Bo AI Bing WU Yi |
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| Affiliation: | 1. Siehuan Power Research Institute, Chengdu 610072, China; 2. Xi＇an Supervision and Inspection Institute of Product Quality,Xi＇ an 710065 ,China; 3. School of Electrical Engineering, Xi＇ an Jiaotong University, Xi＇ an 710049, China) |
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| Abstract: | According to the characteristics of short circuit fault current in DC system, a rapid identification device about DC short circuit current was designed based on DSP, judging with the current rate of rise and the amplitude of the current. The device adopts the PCB Rogowski coil and the Hall sensor to collect the current signal. After being amplified and filtered, the signal then inputted to the DSP control circuit to analyze, a corresponding operation signal was outputted. The software was designed. The testing results show that the device can identify short circuit current accurately, quickly and reliably. |
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| Keywords: | DSP DC short circuit current rapid identification |
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