DPHxPDOC can be forced to the non-directional operation with the NON_DIR
input. When the NON_DIR input is active, DPHxPDOC operates as a non-
directional overcurrent protection, regardless of the Directional mode setting.
GUID-718D61B4-DAD0-4F43-8108-86F7B44E7E2D V1 EN
Figure 86: Operating zones at minimum magnitude levels
Level detector
The measured phase currents are compared phasewise to the set Start value. If the
measured value exceeds the set Start value, the level detector reports the exceeding
of the value to the phase selection logic. If the ENA_MULT input is active, the Start
value setting is multiplied by the Start value Mult setting.
The IED does not accept the Start value or Start value Mult setting
if the product of these settings exceeds the Start value setting range.
The start value multiplication is normally done when the inrush detection function
(INRPHAR) is connected to the ENA_MULT input.
Section 4 1YHT530004D05 D
Protection functions
180 615 series
Technical Manual
To Next Page
Loading...
