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010743004 Electrical Machine Laboratory
3
(Vector Group) 3
1. 3
2. Vector Group 3
3
(Star) (Wye ; Y) (Delta ; )
(Vector Group)
Vector Group Yy0, Yd1, Dy5, Dd6, Yz11
(HV)
(LV)
HV LV
LV
HV
Y, y (Star)
D, d (Delta)
Z, z (Zigzag)
0, 1, 5, 6 LV HV
0, 1, 5, 6
. . HV . 150
3.1
3-1
30 HV
150
LV
HV
010743004 Electrical Machine Laboratory
3.1 . 30
LV HV 30 0 , 30 , 150 , 180 , 330
HV
0 ( 12) . LV (
HV) 150 5 (150 /30 = 5) . HV
LV Vector Group Dy5
Vector Group 3.1
3.1 Vector Group 3
Vector Group
0 Yy0, Dd0, Dz0
1 Yd1, Dy1, Yz1
5 Yd5, Dy5, Yz5
6 Yy6, Dd6, Dz6
11 Yd11, Dy11, Yz11
3.1
- Yy0 HV LV LV
HV
- Yz1 HV LV LV
HV 1x30 = 30
- Dd6 HV LV LV
HV 6x30 = 180
- Yd11 HV LV LV
HV 11x30 = 330
3
11
11
( )
3.2 Vector Group (
)
3-2
010743004 Electrical Machine Laboratory
3.2 Vector Group ( )
Yy0 (Phase Shift 0 ) Dd0 (Phase Shift 0 )
Yy6 (Phase Shift -180 ) Dd6 (Phase Shift -180 )
Yd5 (Phase Shift -150 ) Dy5 (Phase Shift -150 )
Yd11 (Phase Shift -330 ) Dy11 (Phase Shift -330 )
A
C B
A B C
a b ca
c
b
3-3
010743004 Electrical Machine Laboratory
3.2 Vector Group ( )
Yd1 (Phase Shift -30 ) Dy1 (Phase Shift -30 )
3.2 HV LV
3.2 .
( )
3.2
3.2
3-4
010743004 Electrical Machine Laboratory
Vector Group
3 –
1. 3
2. 3 ,
, ,
(V) 300 160 160 360 160
3. ( ) 10 V : 1 mm
(V) 300 160 160 360 160
(mm) 30 16 16 36 16
4.
30 . 0 ( 12 ) .
( ) .
3-5
010743004 Electrical Machine Laboratory
5. (16 .)
(36 .)
B-b =
16
mm
6. (16 .)
(16 .)
7. , .
( ) .
3-6
A
C B
a
b
c
aA
010743004 Electrical Machine Laboratory
.
330
330 /30 = 11 11
Vector Group Dy11
.
0 ( 12 )
11 Vector Group Dy11
3-7
010743004 Electrical Machine Laboratory
– ………………………………………………………………. ……………………………………….
…………………… ………………… ……………………………………………
– 1. AC Power Supply 3 - phase 1
2. 3 1
3. AC Voltmeter 2
3.1 Vector Group 3 Vector Group 3
1. 3 EXP3.1.1
1 5 V : 1 mm)
3-8
010743004 Electrical Machine Laboratory
2 5 V : 1 mm)
3 5 V : 1 mm)
EXP3.1.1 Vector Group
3-9
010743004 Electrical Machine Laboratory
2. 1 EXP3.1.2
A
Transformer3-
B
C
a
c
bY-
EXP3.1.2 Vector Group 3
3. 3 380 V(line to line) ,
, , EXP3.1.1
4. 5 V : 1 mm
EXP3.1.1
EXP3.1.1
(V)
(mm)
5. EXP3.1.1 Vector Group
Vector Group ……………………………………
3-10
010743004 Electrical Machine Laboratory
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1. Vector Group 3 ( )
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2. Vector Group ………………………………………………………………………………………………
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3. Vector Group
- Dd0 ………………………………………………………………………………………………………………………
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- Dy5 ………………………………………………………………………………………………………………………
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