Commissioning
Optimising the operating behaviour
Boost correction with V/f characteristic control
6
6.11
6.11.3
6.11-8
EDSVF9333V EN 3.0-06/2005
A motor connected to a controller has a rated motor voltage of 400 V
(C0090 = 400 V). The voltage boost U
min
issetto2%(C0016=2%).
ƒ At a voltage boost of 2 % and a rated motor voltage of 400 V,
U
min
=8V.
The voltage boost U
min
is to be optimised via C0080:
6×U
min
3×U
min
0
0
0.5 0.99
C0080
0
9300vec141
Fig. 6.11-3 Influence of boost correction
Maximum correction value when the output frequency is 0 Hz
ƒ When C0080 = 0.5, the maximum correction value is:
3×U
min
=3×8V=24V
ƒ The maximum voltage boost is:
U
min
+ correction value = 8 V + 24 V = 32 V
Example
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