通过对指示图的分析进一步证明了用指示图对压缩机运行工况进行监测和故障诊断的有效性。
The validity to carry out condition monitoring and fault diagnosis of reciprocating compressor with the pV -Diagram is further verified by means of the analysis for the pV -Diagrams.
在故障工况仿真中摒弃了以往只进行模块局部仿真或小系统仿真的作法，将故障置入正常运行的整个电厂仿真系统中，查看并分析相关参数变化趋势及影响。
Instead of traditionally local or small system simulation, the fault is set into the simulation system for the whole power plant in normal operation so as to analyze the trend of relevant parameters.
制冷系统在长期运行中可能发生种种故障，使制冷工况发生变化。
In the long term operation of the refrigeration system, various kinds of break-downs may occur, which results in changes in its operating conditions.
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