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APPENDIX 5A. CONSTRUCTION AND PERFORMANCESPECIFICATIONS OF

SMALL ELECTRIC MOTORS DESIGNED FOR THE ENGINEERING ANALYSIS

TABLE OF CONTENTS

5A.1 POLYPHASE, 1 HP, 4 POLE, 56 FRAME MOTOR........................................................ 3

5A.1. Stator Dimensions................................................................................................. 3

5A.1. Rotor Dimensions................................................................................................. 3

5A.1. Rotor Slot Dimensions.......................................................................................... 3

5A.1. Ring and Coil Data................................................................................................ 4

5A.1. Electrical Data....................................................................................................... 4

5A.1. Load Speed and Slip Information ......................................................................... 4

5A.1. No Load Performance ........................................................................................... 4

5A.1. Locked Rotor Data................................................................................................ 5

5A.1. Breakdown Load Parameters................................................................................ 5

5A.1.10 Reactance Values.................................................................................................. 5

5A.1.11 Winding Information ............................................................................................ 6

5A.1.12 Magnetic Circuit Data........................................................................................... 6

5A.2 CAPACITOR­START INDUCTION­RUN 1⁄2 HP, 4 POLE, 56 FRAME MOTOR ......... 7

5A.2. Stator Dimensions................................................................................................. 7

5A.2. Rotor Dimensions................................................................................................. 7

5A.2. Rotor Slot Dimensions.......................................................................................... 7

5A.2. Ring and Coil Data................................................................................................ 8

5A.2. Electrical Data....................................................................................................... 8

5A.2. Load Speed and Slip Information ......................................................................... 8

5A.2. No Load Performance ........................................................................................... 9

5A.2. Locked Rotor Data................................................................................................ 9

5A.2. Breakdown Parameters ......................................................................................... 9

5A.2.10 Reactance Values.................................................................................................. 9

5A.2.11 Winding Information .......................................................................................... 10

5A.2.12 Magnetic Circuit Data......................................................................................... 11

5A.3 CAPACITOR­START INDUCTION­RUN 1⁄2 HP, 4 POLE, 48 FRAME MOTOR ....... 12

5A.3.1 Stator Dimensions............................................................................................... 12

5A.3.2 Rotor Dimensions............................................................................................... 12

5A.3.3 Rotor Slot Dimensions........................................................................................ 12

5A.3.4 Ring and Coil Data.............................................................................................. 13

5A.3.5 Electrical Data..................................................................................................... 13

5A.3.6 Load Speed and Slip Information ....................................................................... 13

5A.3.7 No Load Performance ......................................................................................... 14

5A.3.8 Locked Rotor Data.............................................................................................. 14

5A.3.9 Breakdown Parameters ....................................................................................... 14

5A.3.10 Reactance Values................................................................................................ 14

5A.3.11 Winding Information .......................................................................................... 15

5A.3.12 Magnetic Circuit Data......................................................................................... 16

5A.4 CAPACITOR­START cAPACITOR­RUN 3⁄4 HP, 4 POLE, 56 FRAME MOTOR........ 17

5A­1

EERE-2007-BT-STD-0007 COMMENT 07.2
5A.4.1 Stator Dimensions............................................................................................... 17

5A.4.2 Rotor Dimensions............................................................................................... 17

5A.4.3 Rotors Slot Dimensions...................................................................................... 17

5A.4.4 Ring and Coil Data.............................................................................................. 18

5A.4.5 Electrical Data..................................................................................................... 18

5A.4.6 Load Speed and Slip Information ....................................................................... 18

5A.4.7 No Load Performance ......................................................................................... 19

5A.4.8 Locked Rotor Data.............................................................................................. 19

5A.4.9 Breakdown Load Parameters.............................................................................. 19

5A.4.10 Reactance Values................................................................................................ 19

5A.4.11 Winding Information .......................................................................................... 20

5A.4.12 Magnetic Circuit Data......................................................................................... 21

Foreword: This appendix provides design information on one electric motor design from each of

the four representative equipment classes analyzed in the engineering analysis. Information on

the engineering analysis and inputs used to prepare these designs can be found in preliminary

TSD chapter 5.

5A­2

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.1 POLYPHASE, 1 HP, 4 POLE, 56 FRAME MOTOR

5A.1.1 Stator Dimensions

Lamination Steel Type Armco­M19

Length of the Stator Stack 3.0000 inches

Stacking Factor of the Stator 0.9800

Stator Slot Insulation Thickness 0.0100 inch

Number of Stator Poles 4 Poles

Outside Diameter of the Stator 6.1500 inches

Number of Stator Slots 24

Inside Diameter of the Stator 2.8710 inches

Thickness of mid slot separator 0.0000 inch

Stator Slot Width Next to Gap 0.1500 inch

Stator Slot Width at Bottom of Slot 0.3350 inch

Depth of Main Trapezoidal Part; 1.0000 inch

Depth of Slot Mouth 0.0230 inch

Stator Slot Opening 0.1000 inch

Depth of Tooth Tip 0.0300 inch

Total Depth of Stator Slot 1.0500 inches

5A.1.2 Rotor Dimensions

Shaft Material Magnetic

Outside Diameter of the Rotor 2.8400 inches

Inside Diameter of the Rotor 0.5000 inch

Length of the Rotor Stack 3.0000 inches

Stacking Factor of the Rotor 0.9800

5A.1.3 Rotor Slot Dimensions

Slot Shape Closed Bridge, Trap w/ Round Bottom

Depth of Rotor Slot Opening 0.0000 inch

Width at Top of Rotor Slot 0.0500 inch

Width at Bottom of Rotor Slot 0.0500 inch

Depth of Main Trapezoidal Part 0.4750 inch

Depth of Slot Mouth 0.0200 inch

Depth of Bridge 0.0200 inch

Total Depth of Rotor Slot 0.5700 inch

Number of Rotor Slots 36 slots

5A­3

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.1.4 Ring and Coil Data

Inside Diameter of Ring 1 1.5000 inches

Outside Diameter of Ring 1 2.8000 inches

Axial Thickness at Outside of Ring 1 1.1000 inches

Axial Thickness at Inside of Ring 1 1.1000 inches

Inside Diameter of Ring 2 1.7000 inches

Outside Diameter of Ring 2 2.8000 inches

Axial Thickness at Outside of Ring 2 1.1000 inches

Axial Thickness at Inside of Ring 2 1.1000 inches

Conductivity of the Rotor Bar Material 0.5700

Conductivity of the End Ring Material 0.5700

5A.1.5 Electrical Data

Wire Insulation Type Heavy

Terminal Voltage 230.00 Volts

Turns per Coil in Slot 1 30 Turns

Turns per Coil in Slot 2 25 Turns

Winding Wire Size 19.0 AWG

Freq Line Frequency 60.0 Hz

Rotor Skew 1.50 bars

Winding Operating Temperature 100.00 deg C

Friction & Windage Loss at Idle Speed 10.0000 Watts

Stray Load Loss 1.0 %

Wire Stretch Factor 1.040

5A.1.6 Load Speed and Slip Information

Load Speed Specified Load Speed 1766.0 RPM

Minimum Load Speed 0.0 RPM

Speed Increment 5.0 RPM

5A.1.7 No Load Performance

Synchronous Speed 1800.0 RPM

Actual No Load Speed 1798.9 RPM

Actual No Load Phase Current 3.13 Amps

No Load Phase Winding Current Density 1543.69 Amps/sq. in

5A­4

EERE-2007-BT-STD-0007 COMMENT 07.2
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­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.1.8 Locked Rotor Data

Locked Rotor Torque 125.20 oz­ft

Locked Rotor Phase Current 17.499 Amps

Locked Rotor Phase Current Density 8643.95 A/sq. in.

5A.1.9 Breakdown Load Parameters

Break Down Speed 1099.4 RPM

Break Down Torque 177.19 oz­ft

Break Down Current 13.16 Amps

Break Down Output Power 1729.1 Watts

Break Down Output Power 2.3179 Hp

Break Down Efficiency 49.4 %

Break Down Power Factor 66.823

Break Down Input Power 3502.7 Watts

Phase Current Density at Break Down 6499.50 A/sq. in.

5A.1.10 Reactance Values

Primary Slot Leakage 1.7643 Ohms

Secondary Slot Leakage 2.1573 Ohms

End Leakage 0.4189 Ohm

Skew Leakage 0.4032 Ohm

Zig Zag Leakage 0.7289 Ohm

Belt Leakage 0.1392 Ohm

Primary Leakage Reactance 3.4544 Ohms

Rotor Leakage 3.4781 Ohms

Magnetizing Reactance 39.0054 Ohms

5A­5

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.1.11 Winding Information

Hot Rotor Resistance 2.6236 Ohms

Rotor Resistance Ratio 0.3784

Cold Winding Resistance 0.9368

Hot Winding Resistance 1.2071 Ohms

Winding Distribution Factor 0.848

Total Winding Conductors per Phase 440.00 Conductors

Effective Winding Conductors per Phase 373.2 Conductors

Slot 1 % Fill 34.21 %

Slot 2 % Fill 28.51 %

Slot 3 % Fill 0.00 %

Slot 4 % Fill 0.00 %

Slot 5 % Fill 0.00 %

Slot 6 % Fill 0.00 %

Slot 7 % Fill 0.00 %

Slot 8 % Fill 0.00 %

Total Weight of the Copper 5.4817 lbs

Electrical Area of One Rotor Bar 0.0247 sq. in.

Electrical Area of All Rotor Bars 0.8903 sq. in.

Weight of Stator Steel 0.0000 lbs

Weight of Rotor Steel 0.0000 lbs

Weight of Stator and Rotor Steel 0.0000 lbs

Weight of Rotor Aluminum 1.1742 lbs

5A.1.12 Magnetic Circuit Data

Magnetic Length of Air Gap 0.0190 inch

Total Air Gap Flux per Pole 239.4 kilolines

Flux Density in Air Gap 51.5 Klines/in^2

Flux Density in Stator Yoke 65.4 Klines/in^2

Flux Density in Stator Teeth 80.4 Klines/in^2

Flux Density in Rotor Yoke 60.8 Klines/in^2

Flux Density in Rotor Teeth 95.2 Klines/in^2

MMF Drop in Air Gap 306.8 A­T

MMF Drop in Stator Yoke 3.8 A­T

MMF Drop in Rotor Yoke 0.7 A­T

MMF Drop in Stator Teeth 6.7 A­T

MMF Drop in Rotor Teeth 25.1 A­T

Total MMF Drop 343.1 A­T

5A­6

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.2 CAPACITOR­START INDUCTION­RUN 1⁄2 HP, 4 POLE, 56 FRAME MOTOR

5A.2.1 Stator Dimensions

Lamination Steel Type Armco­M19

Length of the Stator Stack 2.6000 inches

Stacking Factor of the Stator 0.9800

Stator Slot Insulation Thickness 0.0100 inch

Number of Stator Poles 4 Poles

Outside Diameter of the Stator 6.1500 inches

Number of Stator Slots 24

Inside Diameter of the Stator 2.8710 inches

Thickness of mid slot separator 0.0000 inch

Stator Slot Width Next to Gap 0.1500 inch

Stator Slot Width at Bottom of Slot 0.3350 inch

Depth of Main Trapezoidal Part; 1.0000 inch

Depth of Slot Mouth 0.0230 inch

Stator Slot Opening 0.1000 inch

Depth of Tooth Tip 0.0300 inch

Total Depth of Stator Slot 1.0500 inches

5A.2.2 Rotor Dimensions

Shaft Material Magnetic

Outside Diameter of the Rotor 2.8400 inches

Inside Diameter of the Rotor 0.5000 inch

Length of the Rotor Stack 2.6000 inches

Stacking Factor of the Rotor 0.9800

5A.2.3 Rotor Slot Dimensions

Slot Shape Closed Bridge, Trap w/ Round Bottom

Depth of Rotor Slot Opening 0.0000 inch

Width at Top of Rotor Slot 0.1000 inch

Width at Bottom of Rotor Slot 0.0500 inch

Depth of Main Trapezoidal Part 0.2750 inch

Depth of Slot Mouth 0.0500 inch

Depth of Bridge 0.0200 inch

Total Depth of Rotor Slot 0.3700 inch

Number of Rotor Slots 36 slots

5A­7

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.2.4 Ring and Coil Data

Inside Diameter of Ring 1 1.7000 inches

Outside Diameter of Ring 1 2.8000 inches

Axial Thickness at Outside of Ring 1 1.1000 inches

Axial Thickness at Inside of Ring 1 1.1000 inches

Inside Diameter of Ring 2 1.7000 inches

Outside Diameter of Ring 2 2.8000 inches

Axial Thickness at Outside of Ring 2 1.1000 inches

Axial Thickness at Inside of Ring 2 1.1000 inches

Conductivity of the Rotor Bar Material 0.5700

Conductivity of the End Ring Material 0.5700

5A.2.5 Electrical Data

Wire Insulation Type Heavy

Terminal Voltage 115.00 Volts

Turns per Coil in Main Slot 1 65 Turns

Turns per Coil in Main Slot 2 49 Turns

Main Winding Wire Size 19.0 AWG

Turns per Coil in Aux. Slot 1 52 Turns

Turns per Coil in Aux. Slot 2 37 Turns

Auxiliary Wire Size 19.5 AWG

Running Capacitance 0.0000 mfd

Starting Capacitance 300.0000 mfd

Line Frequency 60.0 Hz

Rotor Skew 1.50 bar

Winding Operating Temperature 90.00 deg C

Friction & Windage Loss at Idle Speed 10.0000 Watts

Stray Load Loss 1.0 %

Wire Stretch Factor 1.040

5A.2.6 Load Speed and Slip Information

Specified Load Speed 1727.0 RPM

Minimum Load Speed 0.0 RPM

Speed Increment 5.0 RPM

5A­8

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.2.7 No Load Performance

Synchronous Speed 1800.0 RPM

Actual No Load Speed 1796.4 RPM

Actual No Load Line Current 6.83 Amps

No Load Main Winding Current Density 1686.68 Amps/sq. in

No Load Aux. Winding Current Density 0.00 Amps/sq. in

5A.2.8 Locked Rotor Data

Locked Rotor Torque 87.08 oz­ft

Locked Rotor Line Current 37.500 Amps

Locked Rotor Main Current Density 6579.06 A/sq. in.

Locked Rotor Aux. Current Density 17444.66 A/sq. in.

5A.2.9 Breakdown Parameters

Break Down Speed 1479.6 RPM

Break Down Torque 59.27 oz­ft

Break Down Current 18.16 Amps

Break Down Output Power 778.4 Watts

Break Down Output Power 1.0434 Hp

Break Down Efficiency 55.7 %

Break Down Power Factor 0.666

Break Down Input Power 1397.3 Watts

Main Current Density at Break Down 4484.81 A/sq. in.

Aux. Current Density at Break Down 0.00 A/sq. in.

5A.2.10 Reactance Values

Primary Slot Leakage 1.1444 Ohms

Secondary Slot Leakage 0.7143 Ohm

End Leakage 0.3083 Ohm

Skew Leakage 0.6312 Ohm

Zig Zag Leakage 0.9370 Ohm

Belt Leakage 0.1956 Ohm

Main Winding Leakage Reactance 2.3346 Ohms

Rotor Leakage Referred to Main 1.5962 Ohms

Auxiliary Winding Leakage Reactance 5.7896 Ohms

Magnetizing Reactance of Main Winding 27.4071 Ohms

5A­9

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.2.11 Winding Information

Hot Rotor Resistance 1.3986 Ohms

Rotor Resistance Ratio 0.3558

Cold Auxiliary Resistance 3.3111 inches

Cold Main Winding Resistance 0.4737

Hot Main Winding Resistance 0.5922 Ohm

Hot Aux. Winding Resistance 4.1392 Ohms

Main Winding Distribution Factor 0.855

Aux. Winding Distribution Factor 0.858

Total Main Winding Conductors 456.00 Conductors

Total Aux. Winding Conductors 712.00 Conductors

Effective Main Winding Conductors 389.7 Conductors

Effective Aux. Winding Conductors 611.1 Conductors

Turns Ratio 1.57

Slot 1 % Fill 74.12 %

Slot 2 % Fill 74.95 %

Slot 3 % Fill 26.80 %

Slot 4 % Fill 0.00 %

Slot 5 % Fill 0.00 %

Slot 6 % Fill 0.00 %

Slot 7 % Fill 0.00 %

Slot 8 % Fill 0.00 %

Total Weight of the Main Winding 3.7776 lbs

Total Weight of the Aux. Winding 1.3276 lbs

Electrical Area of One Rotor Bar 0.0256 sq. in.

Electrical Area of All Rotor Bars 0.9225 sq. in.

Weight of Stator Steel 11.9719 lbs

Weight of Rotor Steel 3.8538 lbs

Weight of Stator and Rotor Steel 15.8257 lbs

Weight of Rotor Aluminum 1.0910 lbs

5A­10

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.2.12 Magnetic Circuit Data

Magnetic Length of Air Gap 0.0182 inch

Total Air Gap Flux per Pole 214.7 kilolines

Flux Density in Air Gap 47.856 KLines/in^2

Flux Density in Stator Yoke 67.615 KLines/in^2

Flux Density in Stator Teeth 83.141 KLines/in^2

Flux Density in Rotor Yoke 43.304 KLines/in^2

Flux Density in Rotor Teeth 89.285 KLines/in^2

MMF Drop in Air Gap 273.1 A­T

MMF Drop in Stator Yoke 4.2 A­T

MMF Drop in Rotor Yoke 0.6 A­T

MMF Drop in Statot Teeth 9.0 A­T

MMF Drop in Rotor Teeth 4.8 A­T

Total MMF Drop 291.7 A­T

5A­11

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.3 CAPACITOR­START INDUCTION­RUN 1⁄2 HP, 4 POLE, 48 FRAME MOTOR

5A.3.1 Stator Dimensions

Lamination Steel Type M 19

Length of the Stator Stack 3.0000 inches

Stacking Factor of the Stator 0.9800

Stator Slot Insulation Thickness 0.0100 inches

Number of Stator Poles 4 Poles

Outside Diameter of the Stator 5.2390 inches

Number of Stator Slots 24

Inside Diameter of the Stator 2.7450 inches

Thickness of mid slot separator 0.0000 inch

Stator Slot Width Next to Gap 0.1500 inch

Stator Slot Width at Bottom of Slot 0.3300 inch

Depth of Main Trapezoidal Part; 0.7150 inch

Depth of Slot Mouth 0.0200 inch

Stator Slot Opening 0.1000 inch

Depth of Tooth Tip 0.0300 inch

Total Depth of Stator Slot 0.7750 inch

5A.3.2 Rotor Dimensions

Shaft Material Magnetic

Outside Diameter of the Rotor 2.7150 inches

Inside Diameter of the Rotor 0.7350 inch

Length of the Rotor Stack 3.0000 inches

Stacking Factor of the Rotor 0.9800

5A.3.3 Rotor Slot Dimensions

Slot Shape Closed Bridge, Trap w/ Round Bottom

Depth of Rotor Slot Opening 0.0000 inch

Width at Top of Rotor Slot 0.1060 inch

Width at Bottom of Rotor Slot 0.0580 inch

Depth of Main Trapezoidal Part 0.3400 inch

Depth of Slot Mouth 0.0500 inch

Depth of Bridge 0.0300 inch

Total Depth of Rotor Slot 0.3950 inch

Number of Rotor Slots 36 slots

5A­12

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.3.4 Ring and Coil Data

Inside Diameter of Ring 1 1.6150 inches

Outside Diameter of Ring 1 2.5500 inches

Axial Thickness at Outside of Ring 1 0.7500 inch

Axial Thickness at Inside of Ring 1 0.7500 inch

Inside Diameter of Ring 2 1.6150 inches

Outside Diameter of Ring 2 2.5600 inches

Axial Thickness at Outside of Ring 2 0.3150 inch

Axial Thickness at Inside of Ring 2 0.3150 inch

Conductivity of the Rotor Bar Material 0.5700

Conductivity of the End Ring Material 0.5700

5A.3.5 Electrical Data

Wire Insulation Type Heavy

Terminal Voltage 115.00 Volts

Turns per Coil in Main Slot 1 65 Turns

Turns per Coil in Main Slot 2 46 Turns

Main Winding Wire Size 20.5 AWG

Turns per Coil in Aux. Slot 1 45 Turns

Turns per Coil in Aux. Slot 2 28 Turns

Auxiliary Wire Size 20.0 AWG

Running Capacitance 0.0000 mfd

Starting Capacitance 300.0000 mfd

Line Frequency 60.0 Hz

Rotor Skew 1.50 bar

Winding Operating Temperature 100.00 deg C

Friction & Windage Loss at Idle Speed 6.0000 Watts

Stray Load Loss 1.0 %

Wire Stretch Factor 1.030

5A.3.6 Load Speed and Slip Information

Specified Load Speed 1738.0 RPM

Minimum Load Speed 0.0 RPM

Speed Increment 5.0 RPM

5A­13

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.3.7 No Load Performance

Synchronous Speed 1800.0 RPM

Actual No Load Speed 1796.4 RPM

Actual No Load Line Current 6.78 Amps

No Load Main Winding Current Density 2351.14 Amps/sq. in

No Load Aux. Winding Current Density 0.00 Amps/sq. in

5A.3.8 Locked Rotor Data

Locked Rotor Torque 90.12 oz­ft

Locked Rotor Line Current 34.358 Amps

Locked Rotor Main Current Density 9113.71 A/sq. in.

Locked Rotor Aux. Current Density 22469.09 A/sq. in.

5A.3.9 Breakdown Parameters

Break Down Speed 1501.2 RPM

Break Down Torque 57.45 oz­ft

Break Down Current 17.71 Amps

Break Down Output Power 765.5 Watts

Break Down Output Power 1.0261 Hp

Break Down Efficiency 54.4 %

Break Down Power Factor 0.687

Break Down Input Power 1405.9 Watts

Main Current Density at Break Down 6141.36 A/sq. in.

Aux. Current Density at Break Down 0.00 A/sq. in.

5A.3.10 Reactance Values

Primary Slot Leakage 0.9866 Ohm

Secondary Slot Leakage 0.8400 Ohm

End Leakage 0.2670 Ohm

Skew Leakage 0.6397 Ohm

Zig Zag Leakage 1.0043 Ohms

Belt Leakage 0.1982 Ohm

Main Winding Leakage Reactance 2.1747 Ohms

Rotor Leakage Referred to Main 1.7610 Ohms

Auxiliary Winding Leakage Reactance 3.9043 Ohms

Magnetizing Reactance of Main Winding 27.7764 Ohms

5A­14

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.3.11 Winding Information

Hot Rotor Resistance 1.3256 Ohms

Rotor Resistance Ratio 0.3368

Cold Auxiliary Resistance 3.0958 inches

Cold Main Winding Resistance 0.6515

Hot Main Winding Resistance 0.8396 Ohm

Hot Aux. Winding Resistance 3.9892 Ohms

Main Winding Distribution Factor 0.859

Aux. Winding Distribution Factor 0.867

Total Main Winding Conductors 444.00 Conductors

Aux. Winding Conductors 584.00 Conductors

Effective Main Winding Conductors 381.2 Conductors

Effective Aux. Winding Conductors 506.1 Conductors

Turns Ratio 1.33

Slot 1 % Fill 72.20 %

Slot 2 % Fill 68.30 %

Slot 3 % Fill 27.64 %

Slot 4 % Fill 0.00 %

Slot 5 % Fill 0.00 %

Slot 6 % Fill 0.00 %

Slot 7 % Fill 0.00 %

Slot 8 % Fill 0.00 %

Total Weight of the Main Winding 2.6364 lbs

Total Weight of the Aux. Winding 0.9740 lb

Electrical Area of One Rotor Bar 0.0332 sq. in.

Electrical Area of All Rotor Bars 1.1945 sq. in.

Weight of Stator Steel 8.8286 lbs

Weight of Rotor Steel 3.5400 lbs

Weight of Stator and Rotor Steel 12.3686 lbs

Weight of Rotor Aluminum 0.6880 lb

5A­15

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.3.12 Magnetic Circuit Data

Magnetic Length of Air Gap 0.0178 inch

Total Air Gap Flux per Pole 219.4 kilolines

Flux Density in Air Gap 44.5 Klines/in^2

Flux Density in Stator Yoke 73.9 Klines/in^2

Flux Density in Stator Teeth 86.9 Klines/in^2

Flux Density in Rotor Yoke 51.6 Klines/in^2

Flux Density in Rotor Teeth 98.9 Klines/in^2

MMF Drop in Air Gap 248.6 A­T

MMF Drop in Stator Yoke 7.2 A­T

MMF Drop in Rotor Yoke 0.6 A­T

MMF Drop in Statot Teeth 6.9 A­T

MMF Drop in Rotor Teeth 19.4 A­T

Total MMF Drop 282.7 A­T

5A­16

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.4 CAPACITOR­START CAPACITOR­RUN 3⁄4 HP, 4 POLE, 56 FRAME MOTOR

5A.4.1 Stator Dimensions

Lamination Steel Type M 19

Length of the Stator Stack 3.1000 inches

Stacking Factor of the Stator 0.9800

Stator Slot Insulation Thickness 0.0100 inch

Number of Stator Poles 4 Poles

Outside Diameter of the Stator 6.1500 inches

Number of Stator Slots 24

Inside Diameter of the Stator 2.8710 inches

Thickness of mid slot separator 0.0000 inch

Stator Slot Width Next to Gap 0.1500 inch

Stator Slot Width at Bottom of Slot 0.3350 inch

Depth of Main Trapezoidal Part; 1.0000 inch

Depth of Slot Mouth 0.0230 inch

Stator Slot Opening 0.1000 inch

Depth of Tooth Tip 0.0300 inch

Total Depth of Stator Slot 1.0500 inches

5A.4.2 Rotor Dimensions

Shaft Material Magnetic

Outside Diameter of the Rotor 2.8400 inches

Inside Diameter of the Rotor 0.5000 inch

Length of the Rotor Stack 3.1000 inches

Stacking Factor of the Rotor 0.9800

5A.4.3 Rotors Slot Dimensions

Slot Shape Closed Bridge, Trap w/ Round Bottom

Depth of Rotor Slot Opening 0.0000 inch

Width at Top of Rotor Slot 0.1000 inch

Width at Bottom of Rotor Slot 0.0500 inch

Depth of Main Trapezoidal Part 0.2750 inch

Depth of Slot Mouth 0.0500 inch

Depth of Bridge 0.0200 inch

Total Depth of Rotor Slot 0.3700 inch

Number of Rotor Slots 36 slots

5A­17

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.4.4 Ring and Coil Data

Inside Diameter of Ring 1 1.7000 inches

Outside Diameter of Ring 1 2.8000 inches

Axial Thickness at Outside of Ring 1 1.1000 inches

Axial Thickness at Inside of Ring 1 1.1000 inches

Inside Diameter of Ring 2 1.7000 inches

Outside Diameter of Ring 2 2.8000 inches

Axial Thickness at Outside of Ring 2 1.1000 inches

Axial Thickness at Inside of Ring 2 1.1000 inches

Conductivity of the Rotor Bar Material 0.5700

Conductivity of the End Ring Material 0.5700

5A.4.5 Electrical Data

Wire Insulation Type Heavy

Terminal Voltage 115.00 Volts

Turns per Coil in Main Slot 1 54 Turns

Turns per Coil in Main Slot 2 39 Turns

Main Winding Wire Size 19.0 AWG

Turns per Coil in Aux. Slot 1 30 Turns

Turns per Coil in Aux. Slot 2 25 Turns

Auxiliary Wire Size 21.5 AWG

Running Capacitance 50.0000 mfd

Starting Capacitance 400.0000 mfd

Line Frequency 60.0 Hz

Rotor Skew 1.50 bar

Winding Operating Temperature 100.00 deg C

Friction & Windage Loss at Idle Speed 10.0000 Watts

Stray Load Loss 1.0 %

Wire Stretch Factor 1.040

5A.4.6 Load Speed and Slip Information

Specified Load Speed 1735.0 RPM

Minimum Load Speed 0.0 RPM

Speed Increment 10.0 RPM

5A­18

EERE-2007-BT-STD-0007 COMMENT 07.2
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­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.4.7 No Load Performance

Synchronous Speed 1800.0 RPM

Actual No Load Speed 1796.4 RPM

Actual No Load Line Current 4.28 Amps

No Load Main Winding Current Density 1682.56 A/sq. in.

No Load Aux. Winding Current Density 3028.11 A/sq. in.

5A.4.8 Locked Rotor Data

Locked Rotor Torque 126.70 oz­ft

Locked Rotor Line Current 39.677 Amps

Locked Rotor Main Current Density 8255.61 A/sq. in.

Locked Rotor Aux. Current Density 22881.65 A/sq. in.

5A.4.9 Breakdown Load Parameters

Break Down Speed 1486.8 RPM

Break Down Torque 85.83 oz­ft

Break Down Current 21.08 Amps

Break Down Output Power 1132.7 Watts

Break Down Output Power 1.5183 Hp

Break Down Efficiency 61.2 %

Break Down Power Factor 0.763

Break Down Input Power 1849.7 Watts

Main Current Density at Break Down 5216.63 A/sq. in.

Aux. Current Density at Break Down 1809.46 A/sq. in.

5A.4.10 Reactance Values

Primary Slot Leakage 0.9137 Ohm

Secondary Slot Leakage 0.5704 Ohm

End Leakage 0.2075 Ohm

Skew Leakage 0.4944 Ohm

Zig Zag Leakage 0.7483 Ohm

Belt Leakage 0.1532 Ohm

Main Winding Leakage Reactance 1.8192 Ohms

Rotor Leakage Referred to Main 1.2683 Ohms

Auxiliary Winding Leakage Reactance 2.4386 Ohms

Magnetizing Reactance of Main Winding 21.4686 Ohms

5A­19

EERE-2007-BT-STD-0007 COMMENT 07.2
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­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.4.11 Winding Information

Hot Rotor Resistance 1.1392 Ohms

Rotor Resistance Ratio 0.3690

Cold Auxiliary Resistance 1.7571 inches

Cold Main Winding Resistance 0.4207

Hot Main Winding Resistance 0.5421 Ohm

Hot Aux. Winding Resistance 2.2642 Ohms

Main Winding Distribution Factor 0.857

Aux. Winding Distribution Factor 0.848

Total Main Winding Conductors 372.00 Conductors

Total Aux. Winding Conductors 440.00 Conductors

Effective Main Winding Conductors 318.9 Conductors

Effective Aux. Winding Conductors 373.2 Conductors

Turns Ratio 1.17

Slot 1 % Fill 61.58 %

Slot 2 % Fill 61.01 %

Slot 3 % Fill 19.85 %

Slot 4 % Fill 0.00 %

Slot 5 % Fill 0.00 %

Slot 6 % Fill 0.00 %

Slot 7 % Fill 0.00 %

Slot 8 % Fill 0.00 %

Total Weight of the Main Winding 3.3546 lbs

Total Weight of the Aux. Winding 1.1042 lbs

Electrical Area of One Rotor Bar 0.0256 sq. in.

Electrical Area of All Rotor Bars 0.9225 sq. in.

Weight of Stator Steel 14.2742 lbs

Weight of Rotor Steel 4.5949 lbs

Weight of Stator and Rotor Steel 18.8691 lbs

Weight of Rotor Aluminum 1.1368 lbs

5A­20

EERE-2007-BT-STD-0007 COMMENT 07.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

5A.4.12 Magnetic Circuit Data

Magnetic Length of Air Gap 0.0182 inch

Total Air Gap Flux per Pole 262.3 kilolines

Flux Density in Air Gap 50.6 Klines/in^2

Flux Density in Stator Yoke 69.3 Klines/in^2

Flux Density in Stator Teeth 85.2 Klines/in^2

Flux Density in Rotor Yoke 45.7 Klines/in^2

Flux Density in Rotor Teeth 94.3 Klines/in^2

MMF Drop in Air Gap 288.5 A­T

MMF Drop in Stator Yoke 6.6 A­T

MMF Drop in Rotor Yoke 0.5 A­T

MMF Drop in Statot Teeth 9.1 A­T

MMF Drop in Rotor Teeth 9.4 A­T

Total MMF Drop 314.1 A­T

5A­21

EERE-2007-BT-STD-0007 COMMENT 07.2