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UNDER WRITERS LABORATORIES INC.

NORTHBROOK, IL U.S.A.

CONFORMITY ASSESSMENT SER T ICES

SECTION 3015DNBK

Date: February 8, 2002

Name: Tim Raba

Organization : U. S. Department of Energy

Fax Number: (202) 586-4617

FROM: Lenore J. Berman

Transmission consists of cover sheet, plus 6 pages.

Subject: UL Automated Motor Efficiency Calculation Spreadsheet

Message: In response to your February 8, 2002 e-mail, attached is a copy of the test report that

was attached to my February 6, 2002 e-mail.

Regards,

Lenore ..Berman

Associate Manager

Office Phone No. (847) 272-8800, Ext. (42848)

Section Fax No. (847) 509-6226

Lenore_J.Berman@us.ul.com

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CONTAIN INFORMATION THAT IS PRIVILEGED, CONFIDENTIAL„ AND EXEMPT FROM DISCLOSURE UNDER APPLICABLE LAW. If

the reader of this message is not the intended recipient, or the employee or agent respon sible for delivering the message to the intended recipient, you

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communication in error , picase notify us immediately by telephone ( collect) and return the original message to us at the above address via The [1,S,

Postal Services,

V 0 ._UO U..L;U

EE-RM-96-400-UL COMMENT 25
'.0 u-s1

60

Motor Efficiency Testing Program

MOTOR.RATING DATA

Voltage, V

Current, A

Torque, lb-ft

Horsepower, Hp

Load Point, % of Rated V 125% 115% 100% 50% 40% 30%

Target Voltage 575 529 460 230 184 138

Frequency, Hz 60 60 60 60 60 80

Amps-A 1.6 1.24 0.91 0.37 0.3 0.23

mps-8 1.63 1.26 0,92 0.38 0,31 0.23

mps-C 1.46 1.14 0.87 0.4 0.33 0.26

Volts-A8 577.2 530.8 460.9 228.2 181,4 135.4

Volts-BC 574,9 529,1 459.7 231.1 185,1 139.2

Volts-AC 573.8 528 458.6 230.8 184.9 139,1

Ambient, Avg_ C 24.8 24.8 24.9 24.9 24.9 24,9

Max WDG, C 39.4 41.8 41.9 38.7 37.5 36,1

Speed, RPM 1798 1798 1798 1799 1799 1799

Input Power, W 165 112 70 22 17 14

Resistance, ohms 16.558 16.589 16.565 16.395 16.348 16.296

Average Frequency

Max Frequency Deviation, %

Average Voltage

Max Voltage Deviation

Voltage Unbalance, %

Stator Winding Resistance

Between Phase A-S, ohms

@degrees C (ambient hot)

Rise by resistance

Specified Temp For

\..1LLL^111\1 ++.L\r a..13 -^-' 3 v+. \.^3 +-.+ u -++-a.

Sync. Speed, rpm 18800

Efficiency, °h

Model 5KE

575.3 529.3 459.733 230.067 183.8 137.9

1.9 1,5 1,187 1.567 2.4 2.5

0.3303 0.2834 0,2538 0.8115 1.3058 1.8129

17.876

24.7

Stator Winding Resistance

Between Phase A-B ohms

@ degrees C (ambient cold)

Lead Resistance, ohms

15.609

37,1872638

Resistance correction (ts) 62.1872638

Corrected Resistance 17.8940939

460

1.6

1

UNCOUPLED DATA RECORDED IMMEDIATELY AFTER SIX LOAD POINTS

24.3

2 pole example_eff Page 1 218/02

EE-RM-96-400-UL COMMENT 25
- -t .J UO U-rU IDYL LLB l ILA 11 LL/.J a..a4a - LVL ^. sa- _ u r-.>.,

Motor Efficiency Testing Program

DATA RECORDED IMMEDIATELY AFTER HEAT RUN FOR SIX LOAD POINTS

Load Point, % of Rated Torque 125% 115% 100% 75% 50% 25%

Target Torque, lb-ft 3.80 3,50 3,05 2.28 1.52 0.76

Frequency, Hz 60 60 60 60 60 60

mps-A 1.81 1.71 1,55 1,32 1.12 0.98

AMPS-B 1.81 1.7 1.55 1,32 1,13 0.99

Amps-C 1,78 1.68 1.52 1.28 1.08 0.93

Volts-AS 460.2 480.8 460.8 460.5 460. 8 460.6

Volts-BC 4597 460.2 460,3 459,9 460,3 460.1

Volts-AC 458.8 459.3 459.4 458.9 459.2 459,1

Ambient, Avg, C 24,7 24.7 24.7 24.7 24.7 24.7

Max WDG, C 60.4 61.3 60.8 60 58. 36 58.3

Speed, RPM 1720 1726 1737 1754 1769 1784

Input Power, W 1140 1052 919 702 491 285

Torque, lb-ft 3.8 3,5 3.05 2,28 1,52 0.76

Resistance, ohms 17.789 17.845 17,515 17.738 17.653 17,54

Average Frequency 60

Max Frequency Deviation, %

Average Voltage 459.567 460.1 460.167 459.767 450.1 459.933

Max Voltage Deviation 0.767 0.8 0.757 0.867 0.9 0.833

Voltage Unbalance, % 0.167 0.174 0.187 0.189 0.196 0.181

2 pole axample_eff Page 2 218/02

EE-RM-96-400-UL COMMENT 25
Motor Efficiency Testing Program

SUMMARY OF CHARACTERISTICS

90,00

80,00

m

1780.00

70.00

50.00

40.00 7-

1800.00

1 ,'40.00 a

1720,00

20.00

1700.00

10.00

0,00 1680.00

LOAD, PERCENT OF RATED

-^- Power Factor, % --0 Efficiency, % Current, A -0 Speed, RPM'

2 pole example.eff Page 5 2/8/02

EE-RM-96-400-UL COMMENT 25
Motor Efficiency Testing Program

DESCRIPTION 1 2 3 4 5 6

Ambient Temperature, C 24.7 24.7 24.7 24.7 24.7 24.7

Stator Winding Temp, C (tt) 60.4 61. 3 60.8 60 58.35 56.3

Slip, RPM 80 74 63 46 31 16

Speed , RPM 1720 1726 1737 1754 1769 1784

L - L Voltage, V (ave.) 459.567 460.1 460,167 459.767 460.1 459.933

Line Current, A (ave.) 1.6 1.697 1.54 1.307 1.11 0,967

Stator Power, W 1140 1052 919 702 491 285

Core Loss. W 66.2448 66,2448 66.2448 66.2448 66,2448 66.2448

Stator 12R Loss, W, at tt 86.45454 77. 08529 63 .37508 45.45138 32.64387 24.60219

Power Air Gap, W 987,3007 908. 6699 789.3801 590,3038 392.1113 194.153

Rotor 12R Loss, W 43.88003 37.35643 27.6283 15.08554 6.753028 1.725805

Friction/Windage Loss, W 9.122264 9.122264 8.122264 9,122264 9.122264 9.122264

Total Conventional Loss, W 205.7016 189.8088 166.3704 135.904 114.764 101.6951

Torque, lb-ft 3.8 3.5 3.05 2.28 1.52 0.76

Dynamometer Corr, lb-ft -0.043325 -0.043325 -0,043325 -0.043325 -0.043325 -0.043325

Corrected Torque, lb-ft 3.756675 3,456675 3.006675 2.236675 1.476675 0.715675

Shaft Power, W 917.4331 847,1136 741.5299 557.0252 370.8985 181.5347

Apparent Total Loss, W 222.5669 204. 8864 177.4701 144.9748 120.1015 103.4653

Stray Load Loss, W 16.86526 15.07757 11.09969 9.070 336 5.337489 1.770284

Intercept 2.468572 Slope 1.037653 Corr. Factor 0 . 986085

Stator 12R Loss, W, at is 86,9653 77.29736 63.65645 45.85135 33,07097 25.09886

Corr. Power Air Gap, W 986.7899 908.4578 789.0988 589.9038 391 .6842 193.6563

Corrected Slip, RPM 80.48485 74.22197 63.29596 46.34164 31.4062 16.32392

Corrected Speed , RPM 1719.515 1725.778 1736.704 1753.658 1768.594 1783.676

Rotor 12R Loss, W, at is 44.12313 37.45974 27.7482 15.18729 6.834063 1,756239

Corr. Stray Load Loss, W 14.64399 12.3985 9.380482 5.191083 2.262675 0. 532963

Corr. Total Loss, W 221.0995 202,5227 176.1522 141. 5968 117.5348 102.7551

Corr. Shaft Power, W 918.9005 849.4773 742.8478 560.4032 373.4652 182.2449

Shaft Power, HP 1.23177 1.13871 0,995775 0.751211 0.500624 0.244296

Efficiency, % 80.60531 80.7488 80.83219 79.82952 76.06216 63.94557

Power Factor, % 79.55822 77.78274 74.86535 67.4412 55.5019 36.9935

SUMMARY OF CHARACTERISTICS

Load, % of rated 123. 18 113 . 87 99. 58 75.12 50.06 24.43

Power Factor, % 79.56 77.78 74.87 67.44 55. 50 36.99

Efficiency, 0/a 80.61 80.75 80.83 79. 83 76.06 63.95

Speed, RPM 1719.52 1725.78 1736.70 1753,56 1768 . 59 1783.68

Current, A 1.80 1.70 1.54 1.31 1.11 0.97

2 pole example.eff Page 6 2/8/02

EE-RM-96-400-UL COMMENT 25