Compressors: Operation of Centrifugal and Axial Types

State the general features of instrumentation and control devices used with centrifugal and axial compressors. Describe how instrumentation and control devices can maintain the values of a compressors process variables. Describe how instrumentation and control devices can keep a compressor operating within a stable operating range. Describe the general steps involved in preparing a compressor for startup. Describe the general steps involved in warming up a compressor. Describe the general steps in starting gas flow to a compressor and bringing a compressor up to operating speed. Describe typical compressor operating checks. Describe some of the general steps involved in a compressor shutdown.