Проверка вар1
.docxСредняя длинна витка обмотки:
lsr1 =
405.3256
мм
_______________________________________________________________________________________________________________________________________________________________________
Длина проводников фазы обмотки:
L1 =
248.0593
мм
_______________________________________________________________________________________________________________________________________________________________________
Активное сопротивление обмотки статора:
r1 =
17.5602
Ом
_______________________________________________________________________________________________________________________________________________________________________
Kvil =
0.5000
_______________________________________________________________________________________________________________________________________________________________________
Длина вылета лобовой части катушки:
lvil =
44.8796
мм
_______________________________________________________________________________________________________________________________________________________________________
Относительное значение:
rr1 =
0.1153
Ом
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
6.2
где для литой алюминиевой обмотки ротора p2115=(1e-006)/(20.5):
Сопротивление участка замыкающего кольца,заключонного между двумя соседними стержнями:
rkl =
3.0282e-006
Ом
_______________________________________________________________________________________________________________________________________________________________________
Сопротивление стержня:
rc =
4.0310e-005
Ом
_______________________________________________________________________________________________________________________________________________________________________
Активное сопротивление фазы алюминиевой обмотки ротора:
r2 =
4.8537e-005
Ом
_______________________________________________________________________________________________________________________________________________________________________
Приводим r2 к числу витков обмотки статора:
rr2 =
7.8295
Ом
здесь ksk=1
_______________________________________________________________________________________________________________________________________________________________________
Относительное значение:
rrr2 =
0.0514
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
6.3
kkbeta =
1
_______________________________________________________________________________________________________________________________________________________________________
kbeta =
1
_______________________________________________________________________________________________________________________________________________________________________
hk =
1.6400
мм
_______________________________________________________________________________________________________________________________________________________________________
h222 =
10.6102
мм
_______________________________________________________________________________________________________________________________________________________________________
betack =
0
kkck =
1.4649
_______________________________________________________________________________________________________________________________________________________________________
eps =
1.1615
_______________________________________________________________________________________________________________________________________________________________________
lamd1 =
2.3922
_______________________________________________________________________________________________________________________________________________________________________
laml1 =
0.6215
_______________________________________________________________________________________________________________________________________________________________________
lamp1 =
1.2972
_______________________________________________________________________________________________________________________________________________________________________
Индуктивное сопротивление фазы обмотки статора:
x1 =
18.0704
Ом
_______________________________________________________________________________________________________________________________________________________________________
Относительное значение:
xx1 =
0.1186
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
6.4
h0 =
20.4279
_______________________________________________________________________________________________________________________________________________________________________
eps1 =
1.0263
_______________________________________________________________________________________________________________________________________________________________________
lamd2 =
2.9099
_______________________________________________________________________________________________________________________________________________________________________
laml2 =
0.1799
_______________________________________________________________________________________________________________________________________________________________________
lamp2 =
3.1356
_______________________________________________________________________________________________________________________________________________________________________
Индуктивное сопротивление фазы обмотки ротора:
x2 =
2.0902e-004
Ом
_______________________________________________________________________________________________________________________________________________________________________
Приводим x2 к числу витков статора:
xx2 =
33.7172
Ом
_______________________________________________________________________________________________________________________________________________________________________
Относительное значение:
xxx2 =
0.2214
_______________________________________________________________________________________________________________________________________________________________________
***********************************************************************************************************************************************************************
***********************************************************************************************************************************************************************
7 Расчет потерь
=======================================================================================================================================================================
7.1
Удельные потери в стали:
p1050 =
2.5000
Вт/кг
_______________________________________________________________________________________________________________________________________________________________________
_______________________________________________________________________________________________________________________________________________________________________
Масса стали зубцов статора:
mz1 =
1.4824
кг
_______________________________________________________________________________________________________________________________________________________________________
Масса стали ярма статора:
ma =
3.3144
кг
_______________________________________________________________________________________________________________________________________________________________________
Потери в стали основные:
Pstosn =
60.8662
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
7.2
beta02 =
0.3808
_______________________________________________________________________________________________________________________________________________________________________
B02 =
0.4006
Тл
_______________________________________________________________________________________________________________________________________________________________________
удельные поверхностные потери в роторе:
ppov2 =
163.6747
Вт/м^2
_______________________________________________________________________________________________________________________________________________________________________
Поверхностные потери в роторе:
Ppov2 =
4.8216
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
7.3
Масса стали зубцов ротора:
mz2 =
2.7431
кг
_______________________________________________________________________________________________________________________________________________________________________
Амплитуда пульсаций индукции в среднем сечении зубцов:
Bpul2 =
0.1264
Тл
_______________________________________________________________________________________________________________________________________________________________________
Пульсационные потери в зубцах ротора:
Ppul2 =
14.0606
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
7.4 Сумма добавочных потерь в стали:
Pstdob =
18.8822
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
7.5 Полные потери в стали:
Pst =
79.7484
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
7.6
для двигателей с 2p=4 коэффициент:
Kt =
1.0816
_______________________________________________________________________________________________________________________________________________________________________
Механические потери:
Pmex =
19.3859
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
7.7
Электрические потери в статоре:
Pe1xx =
120.5634
Вт
_______________________________________________________________________________________________________________________________________________________________________
Активная составляющая тока холостого хода:
Ixxa =
0.1927
А
_______________________________________________________________________________________________________________________________________________________________________
Холостой ход двигателя:
Ixx =
1.5250
А
_______________________________________________________________________________________________________________________________________________________________________
Коэффициент мощьности при холостом ходу:
cosfixx =
0.1264
_______________________________________________________________________________________________________________________________________________________________________
***********************************************************************************************************************************************************************
***********************************************************************************************************************************************************************
8 Расчет рабочих характеристик
=======================================================================================================================================================================
8.1 Параметры:
r12 =
8.8652
Ом
_______________________________________________________________________________________________________________________________________________________________________
x12 =
233.1188
Ом
_______________________________________________________________________________________________________________________________________________________________________
c1 =
1.0775
_______________________________________________________________________________________________________________________________________________________________________
используем приближенную формулу:
gama =
0.0668
_______________________________________________________________________________________________________________________________________________________________________
Активная составляющая тока синхронного холостого хода:
I0a =
0.1591
А
_______________________________________________________________________________________________________________________________________________________________________
aa =
1.1610
_______________________________________________________________________________________________________________________________________________________________________
a1 =
18.9214
Ом
_______________________________________________________________________________________________________________________________________________________________________
bb =
0
_______________________________________________________________________________________________________________________________________________________________________
b =
58.6181
Ом
_______________________________________________________________________________________________________________________________________________________________________
Потери, не изменяющиеся при изменении скольжения:
Pnez =
0.0991
кВт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
8.2 Рассчитываем рабочие характеристики для скольжений:
s1 =
0.0050
s2 =
0.0100
s3 =
0.0150
s4 =
0.0200
s5 =
0.0250
s6 =
0.0300
snom =
0.0514
=======================================================================================================================================================================
Номинальные данные спроектированного двигателя:
P2 =
1500
Вт
_______________________________________________________________________________________________________________________________________________________________________
U1 =
380
В
_______________________________________________________________________________________________________________________________________________________________________
I1nom =
2.4947
А
_______________________________________________________________________________________________________________________________________________________________________
cosfi =
0.7250
_______________________________________________________________________________________________________________________________________________________________________
n =
0.7275
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
Рабочие характеристики асинхронного двигателя:
P2 =
1500
Вт
_______________________________________________________________________________________________________________________________________________________________________
U1 =
380
В
_______________________________________________________________________________________________________________________________________________________________________
p =
3
_______________________________________________________________________________________________________________________________________________________________________
I0a =
0.1591
А
_______________________________________________________________________________________________________________________________________________________________________
I0p =
1.5128
А
_______________________________________________________________________________________________________________________________________________________________________
r1 =
17.5602
Ом
_______________________________________________________________________________________________________________________________________________________________________
rr2 =
7.8295
Ом
_______________________________________________________________________________________________________________________________________________________________________
c1 =
1.0775
_______________________________________________________________________________________________________________________________________________________________________
aa =
1.1610
_______________________________________________________________________________________________________________________________________________________________________
a1 =
18.9214
Ом
_______________________________________________________________________________________________________________________________________________________________________
bb =
0
_______________________________________________________________________________________________________________________________________________________________________
b =
58.6181
Ом
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
1
ans =
1.8181e+003
ans =
909.0408
ans =
606.0272
ans =
454.5204
ans =
363.6163
ans =
303.0136
ans =
176.8543
Ом
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
2
Rs1 =
1.8370e+003
Rs2 =
927.9622
Rs3 =
624.9486
Rs4 =
473.4418
Rs5 =
382.5377
Rs6 =
321.9350
Rsnom =
195.7756
Ом
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
3
Xs1 =
58.6181
Xs2 =
58.6181
Xs3 =
58.6181
Xs4 =
58.6181
Xs5 =
58.6181
Xs6 =
58.6181
Xsnom =
58.6181
Ом
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
4
Zs1 =
1.8379e+003
Zs2 =
929.8118
Zs3 =
627.6917
Zs4 =
477.0568
Zs5 =
387.0028
Zs6 =
327.2281
Zsnom =
204.3629
Ом
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
5
III2s1 =
0.2068
III2s2 =
0.4087
III2s3 =
0.6054
III2s4 =
0.7966
III2s5 =
0.9819
III2s6 =
1.1613
III2snom =
1.8594
А
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
6
cosfifi2s1 =
0.9995
cosfifi2s2 =
0.9980
cosfifi2s3 =
0.9956
cosfifi2s4 =
0.9924
cosfifi2s5 =
0.9885
cosfifi2s6 =
0.9838
cosfifi2snom =
0.9580
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
7
sinfifi2s1 =
0.0319
sinfifi2s2 =
0.0630
sinfifi2s3 =
0.0934
sinfifi2s4 =
0.1229
sinfifi2s5 =
0.1515
sinfifi2s6 =
0.1791
sinfifi2snom =
0.2868
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
8
I1as1 =
0.3658
I1as2 =
0.5670
I1as3 =
0.7619
I1as4 =
0.9497
I1as5 =
1.1297
I1as6 =
1.3016
I1asnom =
1.9405
А
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
9
I1ps1 =
1.5194
I1ps2 =
1.5386
I1ps3 =
1.5693
I1ps4 =
1.6107
I1ps5 =
1.6615
I1ps6 =
1.7208
I1psnom =
2.0462
А
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
10
I1s1 =
1.5628
I1s2 =
1.6397
I1s3 =
1.7445
I1s4 =
1.8698
I1s5 =
2.0092
I1s6 =
2.1577
I1snom =
2.8199
А
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
11
II2s1 =
0.2228
II2s2 =
0.4404
II2s3 =
0.6523
II2s4 =
0.8583
II2s5 =
1.0580
II2s6 =
1.2513
II2snom =
2.0036
А
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
12
P1s1 =
0.4170
P1s2 =
0.6464
P1s3 =
0.8686
P1s4 =
1.0826
P1s5 =
1.2879
P1s6 =
1.4839
P1snom =
2.2121
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
13
Pe1s1 =
0.1287
Pe1s2 =
0.1416
Pe1s3 =
0.1603
Pe1s4 =
0.1842
Pe1s5 =
0.2127
Pe1s6 =
0.2453
Pe1snom =
0.4189
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
14
Pe2s1 =
0.0012
Pe2s2 =
0.0046
Pe2s3 =
0.0100
Pe2s4 =
0.0173
Pe2s5 =
0.0263
Pe2s6 =
0.0368
Pe2snom =
0.0943
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
15
Pdobs1 =
0.0021
Pdobs2 =
0.0032
Pdobs3 =
0.0043
Pdobs4 =
0.0054
Pdobs5 =
0.0064
Pdobs6 =
0.0074
Pdobsnom =
0.0111
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
16
sumPs1 =
0.2311
sumPs2 =
0.2486
sumPs3 =
0.2738
sumPs4 =
0.3060
sumPs5 =
0.3445
sumPs6 =
0.3886
sumPsnom =
0.6234
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
17
P2s1 =
0.1860
P2s2 =
0.3978
P2s3 =
0.5948
P2s4 =
0.7766
P2s5 =
0.9434
P2s6 =
1.0953
P2snom =
1.5887
Вт
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
18
nus1 =
0.4459
nus2 =
0.6155
nus3 =
0.6848
nus4 =
0.7173
nus5 =
0.7325
nus6 =
0.7381
nusnom =
0.7182
_______________________________________________________________________________________________________________________________________________________________________
=======================================================================================================================================================================
19
cosfis1 =
0.2341
cosfis2 =
0.3458
cosfis3 =
0.4367
cosfis4 =
0.5079
cosfis5 =
0.5623
cosfis6 =
0.6033
cosfisnom =
0.6881
_______________________________________________________________________________________________________________________________________________________________________
***********************************************************************************************************************************************************************
***********************************************************************************************************************************************************************
9 Расчет пусковых характеристик
=======================================================================================================================================================================
Расчет токов с учетом изменения параметров под влиянием эффекта вытеснения тока (без учета влияния насыщения от полей рассеяния).
Расчет проводится в целях определения токов в пусковых режимах для дальнейшего учета влияния насыщения на пусковые характеристики двигателя.
P2 =
1500
Вт
_______________________________________________________________________________________________________________________________________________________________________
U1 =
380
В
_______________________________________________________________________________________________________________________________________________________________________
p =
3
_______________________________________________________________________________________________________________________________________________________________________
I1nom =
2.4947
А
_______________________________________________________________________________________________________________________________________________________________________
II2snom =
2.0036
А
_______________________________________________________________________________________________________________________________________________________________________
x1 =
18.0704
Ом
_______________________________________________________________________________________________________________________________________________________________________
xx2 =
33.7172
Ом
_______________________________________________________________________________________________________________________________________________________________________
r1 =
17.5602
Ом
_______________________________________________________________________________________________________________________________________________________________________
rr2 =
7.8295
Ом
_______________________________________________________________________________________________________________________________________________________________________
snom =
0.0514
_______________________________________________________________________________________________________________________________________________________________________
Скольжения:
ss1 =
1
ss2 =
0.8000
ss3 =
0.5000
ss4 =
0.2000
ss5 =
0.1000
_______________________________________________________________________________________________________________________________________________________________________
Пусковые параметры:
x12p =
324.0527
Ом
_______________________________________________________________________________________________________________________________________________________________________
c1p =
1.0558
_______________________________________________________________________________________________________________________________________________________________________
Критическое скольжение:
sskr =
0.1540
_______________________________________________________________________________________________________________________________________________________________________
hc =
23.9433
мм
_______________________________________________________________________________________________________________________________________________________________________
Расчет токов в пусковом режиме асинхронного двигателя с короткозамкнутым ротором с учетом влияния эффекта вытеснения тока:
1
epsss1 =
1.5230
epsss1 =
1.5230
epsss2 =
1.3622
epsss2 =
1.3622
epsss3 =
1.0769
epsss3 =
1.0769
epsss4 =
0.6811
epsss4 =
0.6811
epsss5 =
0.4816
epsss5 =
0.4816
epssskr =
0.5977
epssskr =
0.5977
_______________________________________________________________________________________________________________________________________________________________________
2
fiss1 =
0.3423
fiss2 =
0.2311
fiss3 =
0.1192
fiss4 =
0.0681
fiss5 =
0.0482
fisskr =
0.0598
_______________________________________________________________________________________________________________________________________________________________________
3
hrss1 =
17.8379
hrss2 =
19.4484
hrss3 =
21.3925
hrss4 =
22.4165
hrss5 =
22.8431
hrsskr =
22.5929
мм
_______________________________________________________________________________________________________________________________________________________________________
4
brss1 =
3.1441
brss2 =
2.7549
brss3 =
2.2850
brss4 =
2.0376
brss5 =
1.9345
brsskr =
1.9950
мм
_______________________________________________________________________________________________________________________________________________________________________
qrss1 =
88.4474
qrss2 =
93.1976
qrss3 =
98.0968
qrss4 =
100.3099
qrss5 =
101.1573
qrsskr =
100.6656
мм^2
_______________________________________________________________________________________________________________________________________________________________________
krss1 =
1.1630
krss2 =
1.1037
krss3 =
1.0486
krss4 =
1.0254
krss5 =
1.0168
krsskr =
1.0218
_______________________________________________________________________________________________________________________________________________________________________
5
KRss1 =
1.1353
KRss2 =
1.0861
KRss3 =
1.0403
KRss4 =
1.0211
KRss5 =
1.0140
KRsskr =
1.0181
_______________________________________________________________________________________________________________________________________________________________________
6
rr2epsss1 =
8.8892
rr2epsss2 =
8.5038
rr2epsss3 =
8.1454
rr2epsss4 =
7.9949
rr2epsss5 =
7.9391
rr2epssskr =
7.9714
Ом
_______________________________________________________________________________________________________________________________________________________________________
7
fifiss1 =
0.8692
fifiss2 =
0.9057
fifiss3 =
0.9485
fifiss4 =
0.9706
fifiss5 =
0.9706
fifisskr =
0.9734
_______________________________________________________________________________________________________________________________________________________________________
kdss1 =
0.8692
kdss2 =
0.9057
kdss3 =
0.9485
kdss4 =
0.9706
kdss5 =
0.9706
kdsskr =
0.9734
_______________________________________________________________________________________________________________________________________________________________________
8
dellamp2epsss1 =
0.1689
dellamp2epsss2 =
0.1219
dellamp2epsss3 =
0.0666
dellamp2epsss4 =
0.0379
dellamp2epsss5 =
0.0379
dellamp2epssskr =
0.0344
_______________________________________________________________________________________________________________________________________________________________________
lamp2epsss1 =
2.9666
lamp2epsss2 =
3.0137
lamp2epsss3 =
3.0690
lamp2epsss4 =
3.0976
lamp2epsss5 =
3.0976
lamp2epssskr =
3.1012
_______________________________________________________________________________________________________________________________________________________________________
9
Kxss1 =
0.9729
Kxss2 =
0.9804
Kxss3 =
0.9893
Kxss4 =
0.9939
Kxss5 =
0.9939
Kxsskr =
0.9945
_______________________________________________________________________________________________________________________________________________________________________
10
xx2epsss1 =
32.8022
xx2epsss2 =
33.0570
xx2epsss3 =
33.3565
xx2epsss4 =
33.5116
xx2epsss5 =
33.5116
xx2epssskr =
33.5311
Ом
_______________________________________________________________________________________________________________________________________________________________________
11
Rpss1 =
26.9451
Rpss2 =
28.7827
Rpss3 =
34.7594
Rpss4 =
59.7640
Rpss5 =
101.3782
Rpsskr =
72.2003
Ом
_______________________________________________________________________________________________________________________________________________________________________
12
Xpss1 =
52.7018
Xpss2 =
52.9708
Xpss3 =
53.2870
Xpss4 =
53.4508
Xpss5 =
53.4508
Xpsskr =
53.4713
Ом
_______________________________________________________________________________________________________________________________________________________________________
13
II2pss1 =
6.4200
II2pss2 =
6.3033
II2pss3 =
5.9728
II2pss4 =
4.7394
II2pss5 =
3.3157
II2psskr =
4.2295
А
_______________________________________________________________________________________________________________________________________________________________________
14
I1pss1 =
7.0879
I1pss2 =
6.9666
I1pss3 =
6.6155
I1pss4 =
5.2946
I1pss5 =
3.7882
I1psskr =
4.7518
А
_______________________________________________________________________________________________________________________________________________________________________
***********************************************************************************************************************************************************************
***********************************************************************************************************************************************************************
10 Расчет пусковых характеристик с учетом влияния вытеснения тока и насыщения от полей рассеяния
Расчет пусковых характеристик асинхронного двигателя с короткозамкнутым ротором с учетом эффекта вытеснения тока и насыщения от полей рассеяния
P2 =
1500
Вт
_______________________________________________________________________________________________________________________________________________________________________
U1 =
380
В
_______________________________________________________________________________________________________________________________________________________________________
p =
3
_______________________________________________________________________________________________________________________________________________________________________
I1nom =
2.4947
А
_______________________________________________________________________________________________________________________________________________________________________
II2snom =
2.0036
А
_______________________________________________________________________________________________________________________________________________________________________
x1 =
18.0704
Ом
_______________________________________________________________________________________________________________________________________________________________________
xx2 =
33.7172
Ом
_______________________________________________________________________________________________________________________________________________________________________
x12p =
324.0527
Ом
_______________________________________________________________________________________________________________________________________________________________________
r1 =
17.5602
Ом
_______________________________________________________________________________________________________________________________________________________________________
rr2 =
7.8295
Ом
_______________________________________________________________________________________________________________________________________________________________________
snom =
0.0514
_______________________________________________________________________________________________________________________________________________________________________
CN =
0.9348
_______________________________________________________________________________________________________________________________________________________________________