6 Functions and settings
Maschinenfabrik Reinhausen GmbH 2016
95
5163667/00 EN
TRAFOGUARD® ISM®
delay time T2
starts once delay time T1 is complete. Once delay time T2
is complete, a control impulse is again output to the motor-drive unit for the
tap change
to return to the tolerance bandwidth.
Figure 80: Behavior of the regulation function with delay times T1 and T2
1
+ B %: Upper limit
4
Set delay times T1 and T2.
2
U
desired
: Desired value
5
U
actual
: Measured voltage
3
- B %: Lower limit
6
B%: Tolerance bandwidth
A
U
actual
is outside the band-
width. Delay time T1 starts.
B
Delay time T1 complete. Tap
change triggered.
C
Delay time T2 complete. Tap
change triggered.
Setting delay time T2
To set the delay time T2 proceed as follows:
1.
Go to
Settings > Parameters > Control > Delay time T2
.
2.
Set delay time T2.
3.
Press the
Accept
button to save the modified parameter.
Activating delay time T2
To activate delay time T2, proceed as follows:
1.
Go to
Settings > Parameters > Control > Activate delay T2
.
2.
Select the option you want.
3.
Press the
Accept
button to save the modified parameter.
Summary of Contents for TRAFOGUARD ISM
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