CHAPTER 3: IEC 61850 COMMUNICATION MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
UR FAMILY – COMMUNICATIONS GUIDE 3-111
3
3.5.2.81 Voltage differential (VDif)
This element is instantiated in the following products: C70.
Table 3-131: Voltage differential data objects
general BOOLEAN ST UNDERPWR # TRIP OP R
DpoAlm SPS UNDERPWR # ALARM DPO operand R
stVal BOOLEAN ST UNDERPWR # ALARM DPO R
Dpo SPS UNDERPWR # TRIP DPO operand R
stVal BOOLEAN ST UNDERPWR # TRIP DPO R
BlkRefγ ORG UNDERPOWER # BLOCK setting for
setting group γ.
R
setSrcRef ObjectReference SP UNDERPOWER # BLOCK for
group γ.
reference to the data attribute to input R/C
setSrcCB ObjectReference SP source GoCB of input if via GOOSE R/C
LNName: VDifPDIF# LDevice inst: Prot UR element: Voltage Differential element # core functions
data obj. data attribute Type FC UR Name Description R/W/C
Str ACD VOLT DIF # PKP operands (including
individual three phases)
R
general BOOLEAN ST VOLT DIF # PKP R
dirGeneral ENUMERATED ST 0, the code for unknown R
phsA BOOLEAN ST VOLT DIF # PKP A R
dirPhsA ENUMERATED ST 0, the code for unknown R
phsB BOOLEAN ST VOLT DIF # PKP B R
dirPhsB ENUMERATED ST 0, the code for unknown R
phsC BOOLEAN ST VOLT DIF # PKP C R
dirPhsC ENUMERATED ST 0, the code for unknown R
Op ACT VOLT DIF # OP operand R
general BOOLEAN ST VOLT DIF # OP R
phsA BOOLEAN ST VOLT DIF # OP A R
phsB BOOLEAN ST VOLT DIF # OP B R
phsC BOOLEAN ST VOLT DIF # OP C R
Dpo SPS VOLT DIF # DPO operand R
stVal BOOLEAN ST VOLT DIF # DPO R
DifVPh WYE Differential voltage in per unit for phase
A, B and C
R
phsθ CMV R
phsθ.instCVal Vector MX R
phsθ.instCVal.mag
.f
FLOAT32 Dif Vφ magnitude R
phsθ.cVal Vector MX R
phsθ.cVal.mag.f FLOAT32 Dif Vφ magnitude, with
deadband
R
phsθ.units Unit CF R
phsθ.units.SIUnit ENUMERATED 1, the code for dimensionless (per unit) R
phsθ.units
.multiplier
ENUMERATED 0, the code for a multiplier of 1 R
phsθ.db INT32U CF VDifPDIF#.DifVPh.phsθ.db R/W/C
phsθ.zeroDb INT32U CF 0 R
BusVPh WYE Bus voltage in per unit for phase A, B and
C
R
phsθ CMV R
phsθ.instCVal Vector MX R
phsθ
.instCVal.mag
.f
FLOAT32 Bus Vφ magnitude R
LNName: UnPwrPDUP# LDevice inst: Prot UR element: Under Power element
data obj. data attribute Type FC UR Name Description R/W/C