Rotating speed signal acquisition system

The invention relates to a rotating speed signal acquisition system, which is characterized in that a speed measurement loop is additionally arranged on a rotating speed annunciator, PT residual voltage signals are acquired, two fluted disc probe signals are supplemented, and the speed measurement l...

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Bibliographische Detailangaben
Hauptverfasser: LI XIANGYANG, WANG TAO, QIN HAILONG, LAI WENFA, LIN HENGDI, CHEN CHAO, HUANG TIANBIN, CAI ZEWEI, CHEN ZHIXIONG, HU HAIHONG, ZHENG HONGYONG
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to a rotating speed signal acquisition system, which is characterized in that a speed measurement loop is additionally arranged on a rotating speed annunciator, PT residual voltage signals are acquired, two fluted disc probe signals are supplemented, and the speed measurement loop comprises an isolation module and a voltage relay. The rotating speed signal acquisition systemis beneficial to improving the accuracy of unit rotating speed acquisition and improving the safety and stability of unit operation. 本发明涉及一种转速信号采集系统,在转速信号器新增一测速回路,采集PT残压信号,对两路齿盘探头信号进行补充,所述测速回路包括一个隔离模块和一个电压继电器。该系统有利于提高机组转速采集的准确性,提高机组运行的安全性和稳定性。