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STE Soft Starter
User’s Manual
8
2.3
Basic Connections
Star Connections (3 wires)
L
S
M
I
I
I
=
=
3
L
M
V
V
=
I
L
= Line current
I
S
= Soft Starter current
I
M
= Motor current (Winding)
V
L
= Line voltage
V
M
= Motor voltage
I
L
L1
L2
L3
M1
M2
M3
U1
V1
W1
U2
V2
W2
I
S
I
M
Delta Connections (3 wires)
3
L
M
I
I
=
L
S
I
I
=
L
M
V
V
=
I
L
= Line current
I
S
= Soft Starter current
I
M
= Motor current (Winding)
V
L
= Line voltage
V
M
= Motor voltage
I
L
L1
L2
L3
M1
M2
M3
U1
V1
W1
U2
V2
W2
I
S
I
M
Open Delta Connections (6 wires)
3
L
S
M
I
I
I
=
=
L
M
V
V
=
I
L
= Line current
I
S
= Soft Starter current
I
M
= Motor current (Winding)
V
L
= Line voltage
V
M
= Motor voltage
I
L
L1
L2
L3
M1
M2
M3
U1
V1
W1
U2
V2
W2
I
S
I
M
Summary of Contents for STE Series
Page 1: ...USER S MANUAL Rev 01 2007 STE Enhanced Soft Starter ...
Page 2: ......