The invention relates to a state monitoring device of a ship electric propulsion system, which comprises an upper computer and a ship electric propulsion system comprising an inverter and a main propulsion motor, and further comprises a signal processing unit and a state monitoring sensor, and the input signal processing unit is used for processing the signals to obtain state characteristics and outputting the state characteristics to an upper computer. Compared with the prior art, the method has the advantages that the operation states of insulation of a plurality of IGBTs and a motor winding in the system can be monitored at the same time, the safety is high, and the original equipment structure does not need to be changed.
本发明涉及一种船舶电力推进系统的状态监测装置,包括上位机和含有逆变器、主推电机的船舶电力推进系统,还包括信号处理单元和状态监测传感器,状态监测传感器测量逆变器输出至主推电机的电流的信号,并将信号输入信号处理单元,输入信号处理单元对信号进行处理得到状态特征,并将输出状态特征到上位机中。与现有技术相比,本发明具有同时监测系统中多个IGBT与电机绕组绝缘的运行状态、安全性高、不需要改变原设备结构等优点。
State monitoring device of ship electric propulsion system
一种船舶电力推进系统的状态监测装置
2024-08-23
Patent
Electronic Resource
Chinese
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |
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