Motors

Following is a primer on the definitions, equipment and performance relationships regarding motors.

• Glossary:  This section explains useful terms and concepts associated with the system.
• Equipment:  This section identifies key components of the system and associated equipment.
• Performance Relationships: This section provides performance relationships for different types of  system controls.

Following is additional information regarding energy efficiency in motor systems.

• Walkthrough Checklist:  A checklist to use during the initial facility visit to identify potential system efficiency improvements.
• Assessment Tools and Data Collection: Specific data needed to analyze system improvements are described in this section along with how it is gathered.
• Analysis Tools and Methodology:  Common equations and relationships used to analyze the performance of systems are presented in this section.

U.S. DOE Industrial Technologies Program

• Sourcebooks
  • Improving Fan System Performance: A Sourcebook for Industry
  • Improving Pumping System Performance: A Sourcebook for Industry
• Motor Tip Sheets
  
  • Adjustable Speed Drive Part-Load Efficiency
  • Avoid Nuisance Tripping with Premium Efficiency Motors
  • Eliminate Excessive In-Plant Distribution System Voltage Drops
  • Eliminate Voltage Unbalance
  • Estimating Motor Efficiency in the Field
  • Extend Your Motor's Operating Life
  • Improve Motor Operation at Off-Design Voltages
  • Is it Cost Effective to Replace Old Eddy-Current Drives
  • Magnetically Coupled Adjustable Speed Motor Drive
  • Minimize Adverse Motor and Adjustable Speed Drive Interactions
  • Replace V-Belts with Cogged or Synchronous Belt Drive
  • The Importance of Motor Shaft Alignment
  • Turn Motors Off When Not in Use
  • When to Purchase NEMA Premium Efficiency Motors
  • When Should Inverter-Duty Motors Be Specified?
• Pump Tip Sheets
  
  • Adjustable Speed Pumping Applications
  • Conduct an In-Plant Pumping System Survey
  • Control Strategies for Centrifugal Pumps with Variable Flow Rate Requirements
  • Energy Savings Opportunities in Control Valves
  • Maintain Pumping Systems Effectively
  • Match Pumps to Systems Requirements
  • Optimize Parallel Pumping Systems
  • Pump Selection Considerations
  • Reduce Pumping Costs through Optimum Pipe Sizing 
  • Select an Energy-Efficient Centrifugal Pump
  • Test for Pumping System Efficienc
  • Trim or Replace Impellers on Oversized Pumps
• Case Studies
  • Improving Sewage Pump System Performance
  • Improving the Efficiency of a Brewery's Cooling System
  • Improving the Performance of a Waste-to-Energy Facility
  • Improving Ventilation System Energy Efficiency in a Textile Plant
  • Improving Efficiency of Tube Drawing Bench
  • Motor System Upgrades Smooth the Way to Savings of $700,000 at Chevron Refinery
  • New Water Booster Pump System Reduces Energy Consumption by 80% and Increases Reliability
  • Optimizing Electric Motor Systems at a Corporate Campus Facility
  • Optimized Pump Systems Save Coal Preparation Plant Money and Energy
  • Reduce Pumping Costs through Optimum Pipe Sizing
  • Saving Energy at a Sewage Lift Station through Pump System Modifications
• Techinical Publications
  • Pump Life Cycle Costs: A Guide to LCC Analysis for Pumping Systems, Executive Summary
  • Buying an Energy-Efficient Electric Motor
  • Energy Management for Motor Drive Systems 
  • Optimizing Your Motor Drive System
  • Pulp and Paper Mills: Profiting for Efficient Motor System Use
  • A Glimpse at What's Between the Covers of the Market Assessment
  • Reducing Power Factor Cost
  • Replacing an Oversized and Underloaded Electric Motor
  • The Impacts of the Energy Policy Act of 1992 on Industrial End Users of Electric Motor-Driven Systems
  • United States Industrial Motor-Driven Systems Market Assessment: Charting a Roadmap to Energy Savings for Industry
  • United States Industrial Motor Systems Market Opportunities Assessment
  • United States Industrial Motor Systems Market Opportunities Assessment: Executive Summary
  • Variable Speed Pumping: A Guide to Successful Applications; Executive Summary
• Software Tools
  • MotorMaster+
  • MotorMaster+ International
  • Fan System Assessment Tool
  • Pumping System Assessment Tool