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| 摘要: |
| 根据单相接地保护小波算法对硬件系统的要求，提出了一种基于数字信号处理器DSP(Digital Signal Pmcessor)的软硬件解决方案。介绍了该方案的实现原理、组成结构与运行情况。该方案充分利用DSP芯片优越的数字信号处理功能和快速的运算速度，很好地实现了综合智能选线算法。运行结果表明，该软硬件平台运算速度快，抗干扰能力强，运行稳定，具有良好的性价比，是小接地电流电网中一种实用的选线平台。 |
| 关键词: DSP 小接地电流电网 小波变换 故障选线 在线监测 |
| DOI： |
| 分类号:TM773 TM727 |
| 基金项目: |
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| Non-direct-ground system single-phase-to-ground fault identification instrument based on DSP |
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LI Peng YANG Qi - xun
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| Abstract: |
| A solution based on DSP ( Digital Signal Processor ) according to the requisition of wavelet algorithm in the single - phase - to - earth fault protection is presented.The realization principle ,the hardware architecture and its operation results are introduced.The advantages of DSP ,digital signal processing function and high calculating speed ,make the synthetical intellective algorithm possible to be fast processed in time.The operation results show that this soft - hardware platform has fast calculation speed ,excellent disturbances - proof ability and good running stability ,which may become an ideal earth - fault selection platform for its better performance - price ratio. |
| Key words: DSP,non - direct - ground system,wavelet transform,fault line identification,on - line monitoring, |
