ABB RET670 - Overexcitation Protection OEXPVPH; Two Step Overvoltage Protection OV2 PTOV; Two Step Residual Overvoltage Protection ROV2 PTOV; Two Step Undervoltage Protection UV2 PTUV

9.3.5.3 Overexcitation protection OEXPVPH
Main menu/Settings/Setting Group N/Voltage protection/
Overexcitation(PVPH,24)/OEXPVPH:x
Displays settable parameters for operation, rated current and voltage, time delays
for user designed curves and several other related settings.
9.3.5.4 Two step overvoltage protection OV2PTOV
Main menu/Settings/Setting Group N/Voltage protection/
OverVoltage2Step(PTOV,59)/OV2PTOV:x
Displays several settable parameters including settings for IDMT curves and other
function related settings.
9.3.5.5 Two step residual overvoltage protection ROV2PTOV
Main menu/Settings/Setting Group N/Voltage protection/
ResidualOverVoltage2Step(PTOV,59N)/ROV2PTOV:x
Displays up to several settable parameters for characteristics and many related
parameters.
9.3.5.6 Two step undervoltage protection UV2PTUV
Main menu/Settings/Setting Group N/Voltage protection/
UnderVoltage2Step(PTUV,27)/UV2PTUV:x
Displays available settable parameters. The operation mode, the operate voltage as
percentage of Ubase are examples of the settings available here.
9.3.5.7 Voltage differential protection VDCPTOV
Main menu/Settings/Setting Group N/Voltage protection/VoltageDiff(PTOV,
60)/VDCPTOV:x
Includes settings for voltage difference and timers.
9.3.6 Frequency protection
9.3.6.1 Overview
For Frequency protection there are settings for Underfrequency, Overfrequency
and Rate of change of frequency. Each category has some instances of parameters.
All functions can be set On or Off and have a number of other settable parameters
such as rated voltage and time delay before tripping.
Section 9 1MRK504114-UEN E
Read and change settings
64
Operator's manual