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Title: Engine/Station Efficiency Monitoring
Author: Brad A. Grieves
Source: American Gas Association 1987
Year Published: 1987
Abstract: To stay competitive in todays market, gas companies must maintain operating and transportation costs at the lowest levels possible. Inasmuch as fuel expenses impact heavily on this effort, engines must be set up to run efficiently. They must also be monitored to assure that performance is maintained at a consistently high level. To realize these goals, engine torque must be maintained at 100 percent, and horsepower and speed must be adjusted accordingly. This method not only optimizes power end efficiency but also improves compressor performance. Compressor efficiency can be calculated with BWR techniques and monitored with a computer. Once obtained, this information can be utilized to decide which units should be operated. Unit efficiency, expressed as the Energy Conversion Rate (ECR), combines both power and compressor end efficiencies. Together the two provide a measure of the fuel required to operate the system versus the gas that is available for delivery to consumers.

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