Functions
2.9 Thermal Overload Protection 49
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
154
Example:
Machine: I
Nom Mach
= 483 A
I
max Mach
=1.15 I
Nom
at Θ
K
= 40 °C
Θ
Nom Mach
= 93 °C Temperature at I
Nom Mach
τ
th
= 600 s (thermal time constant of the machine)
Current transformer: 500 A / 1 A
Motor Starting Recognition
The motor starting is detected when setting I MOTOR START at address 1107 is exceeded. Information on
how to perform the configuration is given under "Recognition of Running Condition (only for motors)" in
Subsection2.1.3.2.
To Next Page
Loading...
Need help?
General
