Compressor Performance Fault Diagnosis Method of Chiller

Compressor Performance Fault Diagnosis Method of Chiller

Industrial chiller compressor performance fault diagnosis method:

1. Obtain the operating values of multiple sets of characteristic parameters of the chiller under normal conditions.

2. Build the compressor indicated efficiency benchmark model.

3. Obtain and compare the actual value of the indicated efficiency of the compressor with the reference value of the indicated efficiency, and get a conclusion on whether the compressor performance has deteriorated.

Characteristic parameters include evaporating pressure, condensing pressure, compressor discharge pressure, compressor discharge temperature, refrigerant leaving condenser pressure, refrigerant leaving condenser temperature, compressor suction temperature, compressor operating frequency, compressor Power consumption, cooling water inlet water temperature, cooling water outlet water temperature, and cooling water flow.

By effectively monitoring the performance of the compressor and diagnosing its performance faults effectively, the low-efficiency operation of the compressor and the operation with faults are avoided, thereby saving the energy consumption of the compressor and prolonging the operating life of the compressor. At the same time, the method for determining the reference value of the indicated efficiency of the compressor is simple and convenient for calculation.

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