During startability tests, a reciprocating compressor can either 1) start and run without any problem or 2) not start at all or 3) turns over but does not start or 4) starts and crosses the critical point and then stalls. Of the above phenomena, accelerating torque of the compressor depends on the pressure built up in the system . In the present paper, the torque requirements are studied and the performance of the theoretical motor design is compared at different voltages. And also different starting phenomena are then explained from the experimental results.
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