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### 215 NATIONAL AVENUE s SPARTANBURG, S.C. 29303 576-0356 . FAX: -574-6844 (p 4* Roo -t73 - 2 3) ( oil 

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## Py 4i0.'30 -J96 0: 51 TEC O i'PIERICi iN INC. a BILL TREFFINGER

MG 1-1287 PART 12, PAGE 20 

# ATT ACHMENT 11 N0.`78 P 00L'007 =

TE$TS AND PERFORMANCE-A6

M01-12.57 CALCULATION FORM FOR INPUT-OUTPUT TEST OF INDUCTION MACHINE WITH

SEGREGATION OF LOSSES AND SMOOTHING OF STRAY LOAD LOSS Ty bestion G Frame _63-7- xp `r Pha^g Frequency _--- Volts Synchron ous r /min Sethi No. Degrees C Temperature R i s e Time Rating C 1L LSD Model No. Stator Wi nding r sistance Betw ftn 7erm lnab .- 0,-061*36 -01=6 L _ -- C & hied Temperature For Resi§ tmttce Correction (ts) :

Friction and Wlndaba , W&tte
lbrque, - ffi- - - (At, K) Dnwno nww Co + Pi. 16 Corrected Torque iV r''1. 4) F 17 Power Output , watts Ub) x(4)/g :

R App2 trnl T1t9n I r, r. wattr (% p 11- 7 q

J I 19 S tray -Load Un, 

### watts Q 

# (ll^ In 

# ma C cm ftew 20 Stator PR Loss , Watts , at { .s}®C yh ®C

SAM C^ x t c^D er output. np tt'!) Z2Vb ) 

# Ryty 'i3;^'^^ ^ 7 1uL- I- 7b Ii; G r I - I tL U-SI- U UU.5^ r4bti44 4 4 r-U1

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Jb b^ : ^^ I .C :U Hr9Lk 1 U- N INC. -^ BILL 1 KEN F-1 NULJ NU. d'fd t'WW^2100•!

(4) Is equal to synchronous speed - (3) (10) Is equal to (7) - (8) (9) (11) Is equal to (10) x (3)

Syn. r/min (13) Is equal to(9)+(9)+(31)+(12) (15) " ts" wilttdaga and tiring loss que of dy ometer and Its equal to k(WA - WB) n Whom: WA (Pi - 1 • Wh) s 0 S t) We : . - Wh P1 ut power in warrc required to give macki c when uylW tar dynamometer with saynamometer

artnawn: circuit open (Test A) Wi - stator

^ i> sinwaussduring 7ka `A7, 

### S t = 

### slip in per unit durin g lbst "p" IN -a input power in watts required to drive hine running free and uncoupled gest B) We, : S loss in watts duri ng Tes t "B" Wh ® c 1 in WAN . . C e d y n a m o m e t e r k w9.549forTinN®m k h 7.043 for T in lb m ffl a ;v rotational spet! In r/mitt 'ng Test °°A" (16) Is eqwW to ob ed torque (14) plus owadon (13) 

### (17) Is equal to 

### -21 (18) Ls to (7) - (I7) (19) Is equal to (1S) 4 (13) (21) Is equal to ( 7) - (g) - (20) (22) See Std 112, Standard Test Pror:t efor Polyp Induction M o tors and Ge' ars, t . 5.4.1 (23) Is equO to synchronous speed - (22)



### z ^

. (24) is equal to SYIL rAnin 3s equal to AT*
- whom A z Sl ope of cam of (19) vs. (16)1 using a linear re - on analysis.

Std- II2 ,' par 512A, Step 3. 

### T ted loupe sWW - (1 - . Is equd to (8)+(12)+{20)+ ) (27) Is equal to (7) . ' . (28) Is equ;al to 746 (29) Is 

### equal 

# t * 41a 

# r

wh 

### m ® 4tbr Ovei-P M ' for twe-phasc S ary oft Ott: ' ed by plotting lino c g (6). spead (23), and efficiency (29) vs. output hp (28). then cue fatting to set these values at Ise hp load points. Power factor is Computed far each precise load point from its arnpercs and input watts . when input watts equal: het x ?AZ 100 ettt®toney, percent NE MA Swrxiard 11-12. 1281 , reai I i

- 20-195S. t---- . MG 1-1-0t.Ul.. i -JU-- 7b 1.3 ^ r4 I " 1 CI. U'^r"t 'u i3U..3J f ^fOt54^
- 4 HJ^+b-Yi1

0!3 1!D'5

1EaE Std 112.1184 

# t IEEE STANDARD TEST PROCEDURE FOR POLYPHASE frequency impedance t,est. The followin g pro. cedwre is eased: Use Section 8, Fo - F-3, starting with lane 2, with assumed value of rrls and Zalue of rr based on stator winding ^peratun of ..t,, Alter reachin g heat : 21, cheek calculated value of input watts v s measured -value of input watts. Adjust assuaged value of r2 /s, and reiterate until calculated value of input watu agrees with measured value of, input watts, within 1%.= Obtain -r2 b : multiplication of the final assumed value of P2/8 by the measured value of slip in per unit oI e'raata6aa speed. l'he pYeuu11u9s a li va II&e value 01 r2 (Without toniperature co ction )' to be used in calculating the load poWorman olsetar6 • -Corme' t rs enai ra to th e apeeile1 page= tetra t, in aeon ce with I:.9 1 Determine p erformance at desired load points following the format, shown in etion S, Form F-3. 6.2.3.2.6 Maximum or bown torque as a motor is de '

era a itom Se on 8, Fo rm F.3 using slip e

s=

"N. Lo K 

### (q11) 5.3.2 (AD) StatorVllt Loss. The stator 15R loam (in watts ) is eque1 to 

### 1.5 FE for 3-phase 2.0 PB for 2-ph aso wh fte a,r, I measured or aalculated ZU16 c nt per terminal at the specified load ft - direct
- current Mislanee between any 

### t two Una terminals corr ® atod to a baud. fed temperature (see 5.1.2)

In same Gases , it may be dasirebie to adjust the eAulvaient earcult values to a with the measured line current as well as the measured slip and input watts from a rated lead tested 'point , Paler tin dater. slash the performance at aLhPP nnint ® ( 61.e& t d Itenn.

= ' 1o3G, ate). The rodetlusV t il, ia® Ailinail ra to nee _,. IU sl.e casCutated value o[ input watts end Input currant both mite with the mrapalrvrf value or input -att

. mad mpoat lips current within 1% tither circuit paeamet r r,heule gat be adivstad . O btain r by ^1 al^eliraiinn at else

.else at rgJ by thte Measured }ilyf nr slip la per t-...t .,! ,j=a chronous speed , Correct rl and rl to the specified temperature t, in a4cordanee with S I R. ®RA detevl

.. i»u pezi°or.uu a,t..e addeairera toad paints rvllowing the format shown in Section s, Furm F-3.

ttc:u wiz lQ-N tNt :. - BILL IKtrr1rautil

gi Nu. Yt3 rudJfbWY



## 1 > Ts 7-S t 1- &,i~L- LCAP r- 1-,-4

The specified temperature used in making to. sis ce * corrections (see 5,2.2.5.4) shall be 

### de term ined by one of the following , listed in order of preference. (1) Measured tom

per4 tiure rise by resis tan ce from a rated load temperature test plus 25 ®C, (2) Specified temperature giv en in an ap. plicable product stan d ard , such as ANSI/ 5.3.2 (All) R otor 1 A Los's. The rotor 12R loss , Including brush

- contact losses for wound. rotor machines , shall be determined from, t a slip whenever the latter is ii6C tt yrietem jn able, utinP Fql l& iii' 3, Motor rotor VA Ion .m (M easured stator input

Stator ! 2R lobe Care lvO) . Slip (1q 12) wnere Me sup is in per unit of synchronous speed. Geneeratarrotor f2R loss (Measured stator output $ Stator !ai loss + Core Ioss) • Slip (Eq 13) where the slip is W per unit of synchronous speed.0.3.3 (All) Core Lou and Frigtioh and Windage Lo.9s as. Ref

er to 6L2 for information on the dt-LC iri4tion of tJ IM mars

- ION and MQ. those and windage losses, 5.3.4 (C

- E. ') Stray Load Loss , The stray load loss is that portion of the total loss ,ao a maohine not a*-- oun ted 1 0r by the sum of fiction and Win dage , all tor 15A loss, rotor Pit loss, and no-load soul Snss_ 5.3.4.1 ( C-F) Indirect Measurement. The total stray load low may be determined by measuring the total lasses asacl subtracting from these the sum of the friction , windage, Gatti care loss, stator 12R loss , and rotor 12R loss. For other load points , the stray load lotus at rued to be proportional to the square of the rotor current, 5.3.4.2 (E-F) Dire 

### ct Measurement [1). The .trey load lose

- occurnne al, fitnrlamentsl f ut_tlcy may be oetermi riad by applying balm-i v,,1ypL* uusietat to me suitor. windirw terminals with the rotor rcrrterc.t. The electri c al input minus the stator dada 1>,att it tna r enalfti o nes Is e.g....l by Vic lutluumental fesiquaa s y a4a4,y 1-.,l lwea . b using me test, bearing brackets and other structural pares in which the currant might be indutiod shall be in place , The current used in makingZ70 1J • 10 - GS.r{..^- Jr uL4 V VJJ f `.+oc i'i 6iJ'ti.J V.L

10/30/96 09:54 TECO AMERICAN INC. 4 BILL TREFFINGER



### EST METHOD; ACCORDING TO IEEE -1 12 M ETHOD

- S AND NEMA M G1 NO.278 P004/00710/30 /96 09:54 TECO AFRICAN INC. -> BILL TREFFINGER



### ,Corr ddata(9-ts°C per IEEE

- 112 & NEMA MGI -12

Then calculate Wsll (slope) Tz 

### (T= toad int torque) NO.278 P005/007



### (i) TE 

## 00 ' 

## s teat 

## oro Urfa 

## along with t tSt r 

### r't m 

### IFFF -11P R NFMA MG1.12

L 

### 859 aaMUat 4 LY vo inn ®l ica 1, 

## 0 11g" sho uld 

### Lov uu, , 

### euvid LU I' ' . 

### Q IE

## EE -112. f M. 5.2

. 2.5.4. the follow in g rmex 

### l

## wi lrmp " tp" Rhn„ lr1 ho


### ' to 

## ut M dell 

### laid 

### tamp

. ftv 

### io 1,161 

### 1, j uuuujud.
FIFI. INVSULAI1ON l:Mr, 

### A f F 

### is 75 9 

### 115 130

- I rom the loss and ofl ut (ut uutltut), wfiiafency can ue calculated. 

### (ii) If original test at cold condition is corrected by using to (25®C + tamp rise) to calculate the o toss, the Wcu1 & Wcu2 w uld be l ower; and eff iciency would become higher. This is not ooncidorod to moot IEEE 1 10 FAc d amd NCMA M01-m W = In put powe Fall (slope)T&+ (Intercept) 

### o utp ut - Use l oa d point (1) thru (6) to find (slope) power & ( intercept) --(Wm -- m+i+cu1 +Wcu2) t and Wi+Wcu1 + with smooth the ay load loss data by using Wcu2) @ tt a linear regression analysis:10/30/96 09 :55 TECO AMERICAN INC. i BILL TREFF I NGER NO.278 P006/007



### IV. Explanation: There are five type s of loss for 3-phase SCIM, i.e. Wm, WI, Wcul, Wcu2 and Wail, derived from the following, Original (G) coree d date @ to t Ci l oa d paint (4) 

### ITEM @ t t __j per IEEE-t 12 8 NEMA MG1-12 (l] Wm From no-load with Wen and WI segregated 421 421 Ali Should be the same value no matter @ t or is Wcul = 1,51 17 1.5 R1,ts K + is

- - -- (1) R1,ta = R1,t K+t

K 234 .5 for pure copper 

### 225 for aluminum based on a volume conductivity of

(t' = another teat temp, ex., cold condition) Wcul should be corrected to (ts, Rita). Whether original test is conducted at (t, R1t)/ho or (t', R1 t')/cold condition, the Wcul is unique depending on "ta" only for the same motor. The higher the temp. rise, the higher the Rats &

Wcu2 should be corrected to (ts, Sts). Whether original test is conducted at (t, St)/hot 

### or (t', St')/cold condition, the Wcu2 is unique depending on '" only for the same motor. The higher the temp. rise, the higher the Sts & Wcu210/30/96 09:55 TECO RMERICAN INC. a BILL TREFFINGER NO.2?® P00?/03?



### ITEM ME' 1. Sample motor: HE 4P=75HP, 604 V, S/N 71935 001
- Please refer to AI 1 ACHMENT I for original TOM data 

### - Please refer to ATTACHMENT 11 for effi ciency calculation according to NET MGI -12.57 & IEEE-112 (Method- B) 11. Elf. OUTPUT/INPUT _ (INPUT - LOSS)/INPUT = OUTPUT/(OUT PUT + LOSS) Elf. can be calculated from loss an d input (or output) 

## Ill. Loss (= 25 to 150% load 

## ) @ t an d 

## to IC is tabulated bel 

## ow, 

# w he 

## re t original 

### test te m 

### p. (IC)



### is = 25'b + 6 ( 1- full load temp. rise, 'C

" Cor 

### rected 

## temp. " according to IEEE-112, 1 984 

### , 5.3.1

DATA
Original data @t®C 

# (Ex. t t) EFFICIENCY CALCULATION BASED IEEE-112

1 

## 2 Wm wtt 

### 429.6

-- - W 

### 1 (wai 

### tt) 

### 714. 7 

## W l (watt
Vs11 n watt 

### 117.7

49 .2 

### 150.6 1461.8 

### 193.0

2 88 

### .1 

# 1883.0 Elf. 

## % 

# .6 1 _W 

# .7 9C lead 

### Wm watt 429.6 426.6 Corrected Wi 

### 714.7 714.7 data @ tS t 

### Wcul (we 117.0 258-H per IEEE-112 Wcu2 w 

### 48.9 

## 191.8 NEMA MG1 Well tt 22.6 $9.7 12 

### tt 1332.6 1681.8 

### (Ex. is 66 t) 91.5 94.4

Note: Wm - Friction and windage 1029 Wi - Core l® 

### Wcul = Stator N loss Wcu2 = Rotor loss Well = Stray -load loss 3065.0 

## 12/3.0 1 262- 2 

## 556.9 4224.0 94.2

A PJ s

Total 05.5 = Wrn t Wi t Wcu1 -I- WcuZ

- r Wall 40

### 8.0 500.4 

### 2535.0 94.3 76.4 

### 424.4 714.7 464.b 406.4 

### 201.0 421.0 417. 3 412.6

714.7 714.7 714.7 317.2 1281. 0 1 1875.0 

### 765.2 84

### 8.0

94 

# .3 #001 

## 421.0 1 27 

### 0.0

664.0 4347.0 94.1 

### L_ 122.11 417.3 714.7 714.7 

### 760.4 366.6 2230.0 95.0 

### 2003.0 1 02 

### 1.0

147.7 

### 412.6 714.7


## 801.3 5783.0 

### 93,5

AMERICAN INC.