single voltage input transformer fed from a broken delta or neutral point voltage
transformer.
ROV2PTOV (59N) has two voltage steps, where step 1 can be set as inverse or definite
time delayed. Step 2 is always definite time delayed.
7.3.3 Function block
ANSI09000273_1_en.vsd
ROV2PTOV (59N)
V3P*
BLOCK
BLK1
BLK2
TRIP
TRST1
TRST2
PICKUP
PU_ST1
PU_ST2
ANSI09000273 V1 EN
Figure 74: ROV2PTOV (59N) function block
7.3.4 Signals
Table 123: ROV2PTOV (59N) Input signals
Name
Type Default Description
V3P GROUP
SIGNAL
- Three phase group signal for voltage inputs
BLOCK BOOLEAN 0 Block of function
BLK1 BOOLEAN 0 Block of step 1
BLK2 BOOLEAN 0 Block of step 2
Table 124: ROV2PTOV (59N) Output signals
Name
Type Description
TRIP BOOLEAN Common trip signal
TRST1 BOOLEAN Trip signal from step 1
TRST2 BOOLEAN Trip signal from step 2
PICKUP BOOLEAN General pickup signal
PU_ST1 BOOLEAN Start signal from step 1
PU_ST2 BOOLEAN Start signal from step 2
Section 7 1MRK 511 287-UUS A
Voltage protection
182
Technical manual
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