IEC 61850 or
function name
ANSI Function description
RET670
(Customized)
GUPPDUP 37 Directional underpower protection 0-2
GOPPDOP 32 Directional overpower protection 0-2
BRCPTOC 46 Broken conductor check 1
CBPGAPC Capacitor bank protection 0-6
NS2PTOC 46I2 Negative sequence time overcurrent protection for machines, two steps 0-2
VRPVOC 51V Voltage restrained overcurrent protection 0-3
APPTEF 67NT Average power transient earth fault protection 0-2
BRPTOC 50 Overcurrent protection with binary release 0-8
V
oltage protection
UV2PTUV 27 Two step undervoltage protection 0-3
OV2PTOV 59 Two step overvoltage protection 0-3
ROV2PTOV 59N Residual overvoltage protection, two steps 0-4
OEXPVPH 24 Overexcitation protection 0-2
VDCPTOV 60 Voltage differential protection 0-2
LOVPTUV 27 Loss of voltage check 1
Unbalance protection
SCCFPVOC 51V Cascading failure protection for shunt capacitor bank 0-3
SCUCPTOC 60N Current unbalance protection for shunt capacitor bank 0-3
SCPDPTOV 87V Phase voltage differential based capacitor bank unbalanced protection 0-3
SCUVPTOV 60V Voltage unbalance protection for shunt capacitor bank 0-3
Frequency protection
SAPTUF 81 Underfrequency protection 0-10
SAPTOF 81 Overfrequency protection 0-6
SAPFRC 81 Rate-of-change of frequency protection 0-6
Multipurpose protection
CVGAPC General current and voltage protection 0-9
General calculation
SMAIHPAC Multipurpose filter 0-6
1) 67 requires voltage
1MRK 504 165-UUS Rev. J Section 3
A
vailable functions
Transformer protection RET670 31
Commissioning manual
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