Is this armature winding a progressive or a retro-progressive winding? 10 11 2 3' 7 | 16- 12 15' ス14 13 5- 6' S0013 14 15 11" 10 16 2. Select one: Oa. Both

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Is this armature winding a progressive or a retro-progressive winding?
10
11
i 16-
12
15
5-00 13
S
b.
6'
b0 14
15
10
9 1
16
2.
Select one:
a. Both
Transcribed Image Text:Is this armature winding a progressive or a retro-progressive winding? 10 11 i 16- 12 15 5-00 13 S b. 6' b0 14 15 10 9 1 16 2. Select one: a. Both
U d. Retro-progressive
A 200-V, 100 A armature full-load line current, 1800 RPM, shunt DC motor is considered
in this problem. Its characteristics are given below:
RA = 0.20 S2
RF = 150 2
NF 2000 turns
This motor has compensating windings and interpoles.
The magnetization curve for this motor at 1800RPM is shown in a tabular form below
If, A
EA,V 6.0 25
0.1 0.2 0.4
0.5
0.6
0.8
1.2
1.8 2.0
2.2 2.4
110 135 160 205 235 255 275 285 288 290 291
1.0
1.6
50
For Radj between 502 and 450 2 , find the range of this motor if the armature current
L 66 Amperes.
'A
Select one:
Oa. Range of speed between 1319 RPM and 3057 RPM
O b. Range of speed between 1818 RPM and 322O RPM
C. None
O d. Range of speed between 1222 RPM and 2860 RPM
Show all
11:19 PM
ENG
1202/91/
Pr
AI
Transcribed Image Text:U d. Retro-progressive A 200-V, 100 A armature full-load line current, 1800 RPM, shunt DC motor is considered in this problem. Its characteristics are given below: RA = 0.20 S2 RF = 150 2 NF 2000 turns This motor has compensating windings and interpoles. The magnetization curve for this motor at 1800RPM is shown in a tabular form below If, A EA,V 6.0 25 0.1 0.2 0.4 0.5 0.6 0.8 1.2 1.8 2.0 2.2 2.4 110 135 160 205 235 255 275 285 288 290 291 1.0 1.6 50 For Radj between 502 and 450 2 , find the range of this motor if the armature current L 66 Amperes. 'A Select one: Oa. Range of speed between 1319 RPM and 3057 RPM O b. Range of speed between 1818 RPM and 322O RPM C. None O d. Range of speed between 1222 RPM and 2860 RPM Show all 11:19 PM ENG 1202/91/ Pr AI
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