Displays available instances of OEXPVPH (24) with a number of measurements per
instance. These measurements indicate whether values are out of the measuring range
(ERROR) and if the overexcitation function has caused a trip (TRIP). The thermal
status as a percentage of the trip level and the calculated time to trip are among the
other outputs available here.
11.6.5.3
Two step overvoltage protection OV2PTOV (59)
Main menu/Test/Function status/Voltage protection/OverVoltage2Step(PTOV,59)/
TOV
Displays available instances of OV2PTOV (59) with several measurements per
instance. The measurements include operate/trip and pickup signal data.
11.6.5.4 Two step residual overvoltage protection ROV2PTOV (59N)
Main menu/Test/Function status/Voltage protection/
ResidualOverVoltage2Step(PTOV,59N)/TRV
Displays available instances of ROV2PTOV (59N) with some measurements per
instance. The measurements include operate/trip and signal data.
11.6.5.5 Two step undervoltage protection UV2PTUV (27)
Main menu/Test/Function status/Voltage protection/UnderVoltage2Step(PTUV,
27)/TUV
Displays available instances of UV2PTUV (27) with several measurements per
instance. The measurement data includes operate/trip signals and pickup signals.
11.6.5.6 Voltage differential protection VDCPTOV (60)
Main menu/Test/Function status/Voltage protection/VoltageDiff(PTOV,60)/VDC
Displays the output data of VDCPTOV (60).
11.6.6 Frequency protection
The measurements generated by the Underfrequency, Overfrequency and Rate-of-
change of frequency functions are available under the paths outlined below.
11.6.6.1 Overfrequency protection SAPTOF (81)
Main menu/Test/Function status/Frequency protection/OverFrequency(PTOF)/
TOF
Section 11 1MRK506276-UUS B
Test the IED
80
Operator's manual
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