1MRS757454 D
4.3.1.6
611 series
Technical Manual
in any busbar section, the difference current is no longer zero and the protection
operates.
GUID-5F359CB5-4F4F-4803-B5B5-6859F1CB17F5 V1 EN
Figure 106:
Differential protection on busbar with bus coupler (Single-phase
representation)
Example calculations for busbar high-impedance differential protection
The protected object in the example for busbar differential protection is a single-bus
system with two zones of protection.
Section 4
Protection functions
221