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| 摘要: |
| 发微机故障解列装置的原理、特点和算法。采用８０Ｃ１９６高性能快速单片机为保护ＣＰＵ，频率测量单元运用硬件测频，测量精度高；低用解列单元设有完善可靠的防止误动作的闭锁措施；低压角列单元具有可靠的三相ＴＶ断线闭锁判据。该装置已通过各种测试和动模试验，并投入现场运行。 |
| 关键词: 电力系统 稳定运行 微机 故障解列装置 |
| DOI： |
| 分类号:TM732 TM762.45 |
| 基金项目: |
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| Microprocessor-Based Fault Disconnection Device |
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CHEN Song lin WU Yin fu
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| Abstract: |
| The principle, characteristics and algorithms of microprocessor based fault disconnection device are introduced in detail. The device adopts 80C196 microprocessor as the CPU of relay; the frequency measurement unit employs hardware to measure frequency, the measurement precision is higher; the under frequency disconnection unit has perfect, reliable blocking measure to prevent mal operation; the under voltage disconnect unit has reliable criteria to detect three phase voltage failure. The device has been verified through different dynamic model tests and put into site operation. |
| Key words: fault disconnection,voltage failure,frequency,under voltage |
