Setting Guidelines - ABB REL650 Applications Manual

Section 7
Current protection
7.12.3
238
Open
Disconnector
ANSI11000172 V1 EN
Figure 117: Typical connection for stub protection in breaker-and-a-half
arrangement.

Setting guidelines

The parameters for Stub protection STBPTOC (50STB) are set via the local HMI or
PCM600.
The following settings can be done for the stub protection.
GlobalBaseSel: Selects the global base value group used by the function to define (IBase),
(VBase) and (SBase).
Operation: Disabled/Enabled
IED
ANSI11000172_1_en.vsd
1MRK 506 334-UUS A
Application manual