Performance Overview Of A Complete Drive System - HEIDENHAIN TNC 410 M Technical Manual

3 Selection of Motors and Inverters

3.1 Performance Overview of a Complete Drive System

I
L1
L1
U
I
L2
L2
U U
L31
I
L3
L3
April 2007
I
Z
UV(R) 1x0
L12
U
L23
Power assumed by the power supply:
DC-link power:
P
Z
Power fed into the motor:
Power supplied by the motor:
Performance Overview of a Complete Drive System
I
Mot1
UM 1xx
I
Mot2
Z
I
Mot3
P
⋅
U I
=
Z Z
3
P
=
Mot. el.
P P
=
Mot
U
Mot12
U U
Mot31 Mot23
⋅ ⋅
3
= U I
L L12 L1
⋅ ⋅ ⋅
cos
U I
Mot12 Mot1
⋅ η
Mot. el. Mot
M
ϕ
3 – 3