July 2002

Special Report: Plant Utilities

Variable-speed drives lower compressed air costs

Users can improve energy efficiency, start / stop motors repeatedly, plus reduce maintenance costs and noise levels

Perry, W., Kaeser Compressors, Inc.

To most commercial and industrial business operations, compressed air is a vital utility. Compressed air runs essential tools and machinery, provides power to material handling systems and clean air to processes. Yet choosing the right compressor for many applications can be difficult, especially given new technological developments, added concerns about even and steady pressure, maintenance, and that traditional nemesis, electrical power. Cost and dependability of compressed air can have a tremendous impact on production processes and costs. Surprisingly, compressed air costs are most often considered in terms of equ

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