• Small steady state line charging current
• In-zone transformer no load current
• Impact of tap changer positions
The timer is activated according to the calculated differential, stabilizing current
and the set differential characteristic.
GUID-C5DA7D40-A17A-473F-A73D-6B291716C4A3 V2 EN
Figure 179: Operation logic of the stabilized low stage
The stabilization affects the operation of the function.
GUID-C7A3DFD3-1DDB-47EC-9C9A-B56FA4EDC69B V2 EN
Figure 180: Operating characteristics of the protection. (LS) stands for the low
stage and (HS) for the high stage.
1YHT530004D05 D Section 4
Protection functions
615 series 347
Technical Manual
To Next Page
Loading...
