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VARIABLE SPEED PUMPING - Energy

VARIABLE SPEED PUMPING . A GUIDE TO. SUCCESSFUL APPLICATIONS. EXECUTIVE SUMMARY. VARIABLE SPEED DRIVES. A WAY TO LOWER LIFE CYCLE COSTS. Department of Energy Energy Efficiency and Renewable Energy uropump Industrial Technologies Program Bringing you a prosperous future where Energy is clean, abundant, reliable, and affordable Table of Contents Introduction .. 1. PUMPING Systems .. 1. Selection Process New Systems .. 8. Selection Process Retrofitting to Existing Equipment .. 10. Benefits of VSDs .. 10. Potential Drawbacks of VSDs .. 10. Estimating PUMPING Energy Costs .. 12. Capital Cost Savings .. 13. Financial Justification.

m3/h: cubic meters per hour r/min: revolutions per minute. Executive Summary However, in systems with high static head, the system curve does not start from the ... A common mistake is to also use the Affinity Laws to calculate energy savings in systems with static head. Although this may be done as an approximation, it can

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