ABB Relion 670 Series RES670, Technical Manual

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Name Values (Range) Unit Step Default Description
tReset2 0.000 - 60.000 s 0.001 0.025 Reset time delay used in IEC Definite Time
curve step 2
ResetTypeCrv2 Instantaneous
Frozen timer
Linearly decreased
- - Instantaneous Selection of Time Delay reset curve for step 2
tIReset2 0.000 - 60.000 s 0.001 0.025 Time delay in Inverse-Time reset (s), step 2
ACrv2 0.005 - 200.000 - 0.001 1.000 Parameter A for customer programmable
curve for step 2
BCrv2 0.50 - 100.00 - 0.01 1.00 Parameter B for customer programmable
curve for step 2
CCrv2 0.0 - 1.0 - 0.1 0.0 Parameter C for customer programmable
curve for step 2
DCrv2 0.000 - 60.000 - 0.001 0.000 Parameter D for customer programmable
curve for step 2
PCrv2 0.000 - 3.000 - 0.001 1.000 Parameter P for customer programmable
curve for step 2
CrvSat2 0 - 100 % 1 0 Tuning param for programmable over voltage
TOV curve, step 2
Table 160: OV2PTOV (59) Non group settings (basic)
Name Values (Range) Unit Step Default Description
ConnType PhN DFT
PhPh DFT
PhN RMS
PhPh RMS
- - PhN DFT Group selector for connection type
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Value
groups
9.2.6 Monitored data
Table 161: OV2PTOV (59) Monitored data
Name Type Values (Range) Unit Description
VA REAL - kV Voltage in phase A
VB REAL - kV Voltage in phase B
VC REAL - kV Voltage in phase C
9.2.7 Operation principle
Two step overvoltage protection OV2PTOV (59) is used to detect high power system
voltage. OV2PTOV (59) has two steps with separate time delays. If one-, two- or three-
phase voltages increase above the set value, a corresponding PICKUP signal is issued.
1MRK 511 365-UUS A
Section 9
Voltage protection
Phasor measurement unit RES670 2.1 ANSI 287
Technical manual