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Advanced Motor Technologies Next Steps ------------------ Commercial Building System Efficiency

Advanced Motor Technologies Next Steps ------------------ Commercial Building System Efficiency. Rob Boteler Nidec Motor Corporation Representing NEMA National Electrical Manufacturers Association . Electric Motors Used in Residential and Commercial Heating and Cooling Systems.

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Advanced Motor Technologies Next Steps ------------------ Commercial Building System Efficiency

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  1. Advanced Motor Technologies Next Steps ------------------Commercial Building System Efficiency Rob Boteler Nidec Motor Corporation Representing NEMA National Electrical Manufacturers Association

  2. Electric Motors Used in Residential and Commercial Heating and Cooling Systems • Existing motors used are primarily AC induction motors • Induction motors provide low initial cost, high reliability but are not very efficient when compared to recent motor advancements [ECM] electronically commutated motor Market transformation

  3. Energy Efficient ECM Motors Fractional HP Integral HP Clean Rooms Dormitory Food Processing Food Service Hospital Office Buildings Prisons Military Bases

  4. Electronically Commutated Motor The ECM motor is a brushless DC, Three - phase motor with a permanent magnet rotor. Motor phases are sequentially energized by the electronic control, powered from a single-phase supply. Input power supply 120, 240 or 460 VAC Motor control converts AC power to DC power Motor control determines speed and torque required for programmed operation Motor control converts DC power back to three-phase power for motor operation

  5. Electronically Commutated Motor Benefits Controllability and Programmability optimize system efficiency integrating with other components Very High System Efficiency Over a Wide Operating Range Soft ramp up to speed and ramp down Negatives For Constant CFM units, in restricted system, may pull more watts than PSC to overcome static load.

  6. ECM Motors Consume 15 – 20% LESS Energy -15% Over 20% Savings in Energy Consumption at Slower Operating Speeds *Wattage=((746*Horsepower)/% Efficient), 80% Efficiency for ECM, 62% Efficiency for a PSC

  7. Programming Tool Provides Motor and Load System Parameters • Programming Tool Capabilities • User Friendly PC Interface • Programming Initiated With Barcode Scanning • Log File For Programming Traceability on each Motor • Auto Label Generation • Hardware Designed For Commercial Building Needs

  8. Greater Efficiency Increases Initial Cost High ECM 80% Efficiency ECM 80% Efficiency ECM 4 Wire 80%+ Efficiency Premium Efficient PSC 70% Efficiency Higher Efficiency Efficiency 4 Wire Attributes • Highest efficiency offering • Communication technology • Faster set up and installation • Precise air flow control Permanent Split Capacitor (PSC) 60% Efficiency Low BPM - Variable Speed Induction Discrete Speed Price

  9. How Can We Benefit From Advanced Motor Technologies? • OEM’s [ original equipment manufactures] are now using ECM motors to meet increased SEER standards • ECM motors allow the OEM to integrate precise speed control into the equipment optimizing system efficiency and comfort • ECM motors can also be a retrofit to existing HVAC systems providing significant reductions in energy use and GHGs emissions • ECM retrofits require professional installation contractors and additional controls

  10. User Friendly Software Tools Simplifies OEM Use of ECM Motor Interface Reduces OEM System Characterization Time By 80% PC Capable Only (Windows 98/NT/2000 Compatible) Diagnostic / Traceability Of Unit Calculator Calculates The Constant CFM System Coefficients Profile Interface Develops Motor Profile Messages For Any System Profile Can Be Used To Test For System Issues Furnace or Air Handler

  11. How could we accelerate ECM retrofit-fit adoption rates which save energy? • Federal incentives • Tax credits • Utility rebates • Federal facilities mandate • Executive order? • DOE • Marketing initiatives? ideas? Rob.boteler@nidec-motor.com 636-477-6392

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