2008 ASHRAE Handbook HVAC SytemsandEquipment Chapter44

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HVAC Sytems and Equipment Handbook – Chapter 44. Motors, Motor Controls, and Variable-Speed Drives

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ASHRAE	2008	14

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1	Motors Motors Alternating-Current Power Supply Alternating-Current Power Supply Table 1 Motor and Motor Control Equipment Voltages (Alternating Current) Table 1 Motor and Motor Control Equipment Voltages (Alternating Current)
2	Table 2 Effect of Voltage and Frequency Variation on Induction Motor Characteristics Table 2 Effect of Voltage and Frequency Variation on Induction Motor Characteristics Codes and Standards Codes and Standards Motor Efficiency Motor Efficiency
3	Fig. 1 Typical Performance Characteristics of Capacitor- Start/Induction-Run Two-Pole General-Purpose Motor, 1 hp Fig. 1 Typical Performance Characteristics of Capacitor- Start/Induction-Run Two-Pole General-Purpose Motor, 1 hp Fig. 1 Typical Performance Characteristics of Capacitor- Start/Induction-Run Two-Pole General-Purpose Motor, 1 hp Fig. 1 Typical Performance Characteristics of Capacitor- Start/Induction-Run Two-Pole General-Purpose Motor, 1 hp Fig. 2 Typical Performance Characteristics of Resistance- Start Split-Phase Two-Pole Hermetic Motor, 0.25 hp Fig. 2 Typical Performance Characteristics of Resistance- Start Split-Phase Two-Pole Hermetic Motor, 0.25 hp Fig. 2 Typical Performance Characteristics of Resistance- Start Split-Phase Two-Pole Hermetic Motor, 0.25 hp Fig. 2 Typical Performance Characteristics of Resistance- Start Split-Phase Two-Pole Hermetic Motor, 0.25 hp Fig. 3 Typical Performance Characteristics of Permanent Split-Capacitor Two-Pole Motor, 1 hp Fig. 3 Typical Performance Characteristics of Permanent Split-Capacitor Two-Pole Motor, 1 hp Fig. 3 Typical Performance Characteristics of Permanent Split-Capacitor Two-Pole Motor, 1 hp Fig. 3 Typical Performance Characteristics of Permanent Split-Capacitor Two-Pole Motor, 1 hp
4	Fig. 4 Typical Performance Characteristics of Three-Phase Two-Pole Motor, 5 hp Fig. 4 Typical Performance Characteristics of Three-Phase Two-Pole Motor, 5 hp Fig. 4 Typical Performance Characteristics of Three-Phase Two-Pole Motor, 5 hp Fig. 4 Typical Performance Characteristics of Three-Phase Two-Pole Motor, 5 hp General-Purpose Induction Motors General-Purpose Induction Motors Table 3 Motor Types Table 3 Motor Types Application Application Hermetic Motors Hermetic Motors
5	Table 4 Characteristics of AC Motors (Nonhermetic) Table 4 Characteristics of AC Motors (Nonhermetic) Application Application Integral Thermal Protection Integral Thermal Protection
6	Motor Protection and Control Motor Protection and Control Separate Motor Protection Separate Motor Protection Protection of Control Apparatus and Branch Circuit Conductors Protection of Control Apparatus and Branch Circuit Conductors
7	Three-Phase Motor-Starting and Control Methods Three-Phase Motor-Starting and Control Methods Direct-Current Motor-Starting and Control Methods Direct-Current Motor-Starting and Control Methods Single-Phase Motor-Starting Methods Single-Phase Motor-Starting Methods
8	Air Volume Control Air Volume Control Fig. 5 Typical Fan Duty Cycle for VAV System Fig. 5 Typical Fan Duty Cycle for VAV System Fig. 5 Typical Fan Duty Cycle for VAV System Fig. 5 Typical Fan Duty Cycle for VAV System Fig. 6 Outlet Damper Control Fig. 6 Outlet Damper Control Fig. 6 Outlet Damper Control Fig. 6 Outlet Damper Control
9	Fig. 7 Variable Inlet Vane Control Fig. 7 Variable Inlet Vane Control Fig. 7 Variable Inlet Vane Control Fig. 7 Variable Inlet Vane Control Fig. 8 Eddy Current Coupling Control Fig. 8 Eddy Current Coupling Control Fig. 8 Eddy Current Coupling Control Fig. 8 Eddy Current Coupling Control Variable-Speed Drives (VSD) Variable-Speed Drives (VSD) Fig. 9 AC Drive Control Fig. 9 AC Drive Control Fig. 9 AC Drive Control Fig. 9 AC Drive Control
10	Table 5 Comparison of VAV Energy Consumption with Various Volume Control Techniques Table 5 Comparison of VAV Energy Consumption with Various Volume Control Techniques Power Transistor Characteristics Power Transistor Characteristics Fig. 10 Bipolar Versus IGBT PWM Switching Fig. 10 Bipolar Versus IGBT PWM Switching Fig. 10 Bipolar Versus IGBT PWM Switching Fig. 10 Bipolar Versus IGBT PWM Switching Motor and Conductor Impedance Motor and Conductor Impedance Fig. 11 Motor and Drive Relative Impedance Fig. 11 Motor and Drive Relative Impedance Fig. 11 Motor and Drive Relative Impedance Fig. 11 Motor and Drive Relative Impedance Motor Ratings and NEMA Standards Motor Ratings and NEMA Standards
11	Fig. 12 Switching Times, Cable Distance, and Pulse Peak Voltage Fig. 12 Switching Times, Cable Distance, and Pulse Peak Voltage Fig. 12 Typical Switching Times, Cable Distance, and Pulse Peak Voltage Fig. 12 Typical Switching Times, Cable Distance, and Pulse Peak Voltage Fig. 13 Reflected Wave Voltage Levels at Drive and Motor Insulation Fig. 13 Reflected Wave Voltage Levels at Drive and Motor Insulation Fig. 13 Typical Reflected Wave Voltage Levels at Drive and Motor Insulation Fig. 13 Typical Reflected Wave Voltage Levels at Drive and Motor Insulation Fig. 14 Motor Voltage Peak and dv/dt Limits Fig. 14 Motor Voltage Peak and dv/dt Limits Fig. 14 Motor Voltage Peak and dv/dt Limits Fig. 14 Motor Voltage Peak and dv/dt Limits Fig. 15 Damaging Reflected Waves above Motor CIV Levels Fig. 15 Damaging Reflected Waves above Motor CIV Levels Fig. 15 Damaging Reflected Waves above Motor CIV Levels Fig. 15 Damaging Reflected Waves above Motor CIV Levels Motor Noise and Drive Carrier Frequencies Motor Noise and Drive Carrier Frequencies
12	Fig. 16 Motor Audible Noise Fig. 16 Motor Audible Noise Fig. 16 Motor Audible Noise Fig. 16 Motor Audible Noise Carrier Frequencies and Drive Ratings Carrier Frequencies and Drive Ratings Power Distribution System Effects Power Distribution System Effects Fig. 17 Voltage Waveform Distortion by Pulse Width Modulated VSD Fig. 17 Voltage Waveform Distortion by Pulse Width Modulated VSD Fig. 17 Voltage Waveform Distortion by Pulse-Width- Modulated VSD Fig. 17 Voltage Waveform Distortion by Pulse-Width- Modulated VSD VSDs and Harmonics VSDs and Harmonics
13	Fig. 18 Basic Elements of Solid-State Drive Fig. 18 Basic Elements of Solid-State Drive Fig. 18 Basic Elements of Solid-State Drive Fig. 18 Basic Elements of Solid-State Drive
14	References References Bibliography Bibliography

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Standard Title	HVAC Sytems and Equipment Handbook – Chapter 44. Motors, Motor Controls, and Variable-Speed Drives
Published Code	ASHRAE
Publication Date	2008
Pages Count	14

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2008 ASHRAE Handbook HVAC SytemsandEquipment Chapter44

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