SIEMENS
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Siemens D 83.1 · 2016
1
Introduction
General technical specifications
Technical definitions for pole-changing motors
■
Overview
(continued)
Circuit diagrams for three speeds
Speed ratio 1:2:4; Dahlander circuit, 4-/2-pole, separate winding 8-pole,
Y/
/YY circuit – 2 separate windings also possible in
-circuit for constant
torque 8-/4-/2-pole
Speed ratio 1:1.33:2; Dahlander circuit, 8-/4-pole, separate winding
6-pole, Y/
/YY circuit – 2 separate windings also possible in
-circuit
for constant torque 8-/6-/4-pole
Speed ratio 1:2:4; Dahlander circuit, 4-/2-pole, separate winding 8-pole,
Y/Y/YY circuit – 2 separate windings also possible in
-circuit for torque
that reduces in accordance with the square law (fan drive) 8-/4-/2-pole
Speed ratio 1:1.33:2; Dahlander circuit, 8-/4-pole, separate winding
6-pole, Y/Y/YY circuit – 2 separate windings also possible in
-circuit
for torque that reduces in accordance with the square law (fan drive)
8-/6-/4-pole
X 1501
2W
(2W1)
(2V1)
(2U1)
(2W2)
(2V2)
(2U2)
(2W3)
(2V3)
(2U3)
(2W4)
(2V4)
(2U4)
2V
2U
3U
3V
3W
1U
L1
L2
L3
2U
3U
1V
2V
3V
1V
2V
3V
L1
L2
L3
1W
2W
3W
1W
2W
3W
1U
2U
3U
(1W1)
(1V1)
(1U1)
(1W2)
(1V2)
(1U2)
1V
1W
1V
2V
3V
L1
L2
L3
1W
2W
3W
1U
2U
3U
1U
low speed
∆ medium speed
high speed
G_D083_EN_00052
1W
X 1503
(1W1)
(1V1)
(1U1)
(1W2)
(1V2)
(1U2)
(1W3)
(1V3)
(1U3)
(1W4)
(1V4)
(1U4)
1V
1U
1U
L1
L2
L3
2U
3U
1V
2V
3V
1V
2V
3V
L1
L2
L3
1W
2W
3W
1W
2W
3W
1U
2U
3U
2U
(2W1)
(2V1)
(2U1)
(2W2)
(2V2)
(2U2)
2V
2W
1V
2V
3V
L1
L2
L3
1W
2W
3W
1U
2U
3U
3U
3V
3W
∆ low speed
medium speed
high speed
G_D083_EN_00054
X 1502
3U
3V
3W
1U
L1
L2
L3
2U
3U
1V
2V
3V
1V
2V
3V
L1
L2
L3
1W
2W
3W
1W
2W
3W
1U
2U
3U
1V
2V
3V
L1
L2
L3
1W
2W
3W
1U
2U
3U
1U
(1W1)
(1V1)
(1U1)
(1W2)
(1V2)
(1U2)
1V
1W
2W
(2W1)
(2V1)
(2U1)
(2W2)
(2V2)
(2U2)
(2W3)
(2V3)
(2U3)
(2W4)
(2V4)
(2U4)
2V
2U
low speed
medium speed
high speed
G_D083_EN_00053
X 1504
2U
(2W1)
(2V1)
(2U1)
(2W2)
(2V2)
(2U2)
2V
2W
1W
(1W1)
(1V1)
(1U1)
(1W2)
(1V2)
(1U2)
(1W3)
(1V3)
(1U3)
(1W4)
(1V4)
(1U4)
1V
1U
3U
3V
3W
1U
L1
L2
L3
2U
3U
1V
2V
3V
1V
2V
3V
L1
L2
L3
1W
2W
3W
1W
2W
3W
3W
1U
2U
3U
1V
2V
3V
L1
L2
L3
1W
2W
1U
2U
3U
low speed
medium speed
high speed
G_D083_EN_00055
© Siemens AG 2016