Central control of compressors reduces energy waste
by Eric Bessey, Pneu-Logic Corp.October 5, 2012
According to the U.S. Department of Energy, some 10% of all the energy consumed by industrial plants is used to power air compressors. A startling fact is that much of this energy is wasted due to inefficient compressor controls. The problem is that many compressors are controlled locally, either by mechanical valves and pressure switches or by electrical controls at the compressor. When controlled in this manner, it is not unusual to have multiple compressors running at partial load. In addition to using energy inefficiently, this situation results in unnecessary component wear and compressors fighting each other in an attempt to maintain pressure and airflow at different levels. The waste and extra cost as a result of operating compressors in this way can be greatly reduced or eliminated by installing a central control unit to manage the compressors.