Xylem SSW-07 Soft-Starter - Manual (Page 39)

38
English
Chapter
5
5.1 APPLICATIONS
AND
PROGRAMMING
PROGRAMMING INFORMATION AND SUGGESTIONS
This chapter helps the user to set the types of starting controls
according to their applications.
ATTENTION!
Suggestions and important notes for each type of starting control.
ATTENTION!
To know the correct programming of the parameters, have your
load data on hand and use the WEG (Soft-Starter) Dimensioning
Software available at WEG’s home page (http://www.weg.net).
If you are unable to use the software mentioned above, you can
follow some practical concepts described in this chapter.
Shown below are some characteristic curves with current and
starting torque behavior according to some kinds of control.
Current
Torque
T/Tn I/In
Tn
Current
Torque
I/In T/Tn
Tn
Figure 5.1 - Characteristic curves of torque and current in a direct on-line start
and by voltage ramp