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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 ofthe 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
THIS MESSAGE IS NTENDED ONLY FOR THF. USE OF THE INDIVIDUAL OR ENTITY TO WHICH IT IS ADDRESSED AND MAY 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 are hereby notiflcd that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received the communication in error, picase notif y 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'.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..1 3 -^-' 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- - 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

### 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

### 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