Engineering Guide CDA3000
2-45
2 Drive definition
DE
EN
1
2
3
4
5
6
7
A
Torque as a function of load angle
Figure 2.25 Torque as a function of load angle in the synchronous machine
with salient-pole rotor
Idling of the reluctance/
synchronous motor
Loading of the reluctance/
synchronous motor
The stator field
Φ
1 with the field system of
the rotor
Φ
2 represents a fixed magnetic
adhesion.
As the load on the shaft increases, the rotor
displacement angle/load angle increases
steadily. The speed remains synchronous.
X Direction of rotation
β
Load angle
Table 2.13 Torque as a function of rotor displacement angle
β
(load angle)
N
S
X
I
1
I
2
N
X
I
1
I
2
S
M
ksy
-45˚
-22.5˚
45˚
22.5˚
M
Motor
Generator
M
ksy
To Next Page
Loading...
