CHAPTER 3: IEC 61850 COMMUNICATION
MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
UR FAMILY – COMMUNICATIONS GUIDE
3-77
3
Table 3-72: Neutral current unbalance stage objects
3.5.2.43 Neutral directional overcurrent (NeuDoc)
This element is instantiated in the following products: C70, D30, D60, F60, G30, G60, L30, L60, L90, M60, N60, T60.
Table 3-73: Neutral directional overcurrent data objects
CompAop
MV
Comp Iop in per unit
R
instMag
AnalogueValue MX
R
instMag.f
FLOAT32
Comp Iop
R
mag
AnalogueValue MX
R
mag.f
FLOAT32
instMag.f deadbanded
exception
R
units
Unit
CF
R
units.SIUnit
ENUMERATED
1, the code for dimensionless (per unit)
R
units.multiplier
ENUMERATED
0, the code for a multiplier of 1
R
db
INT32
CF NeAUnPTOC#.CompAop.db
R/W/C
zeroDb
INT32
CF
0
R
LNName: NeAUn$PTOC#
LDevice inst: Prot
UR element: Neutral Current Unbalance element # Stage$
data obj. data attribute
Type
FC UR Name
Description
R/W/C
Str
ACD
NTRL CUR # STG$ PKP operands.
R
general
BOOLEAN
ST NTRL CUR # STG$ PKP
R
dirGeneral
ENUMERATED
ST
0, the code for unknown.
R
Op
ACT
NTRL CUR # STG$ OP operands
R
general
BOOLEAN
ST NTRL CUR # STG$ OP
R
BlkRef
γ
ORG
NTRL CUR # BLK STG$ setting for setting
group
γ
.
R
setSrcRef
ObjectReference SP NTRL CUR # BLK STG$ for group
γ
(where $ refers to STAGE 1, 2, 3,
4)
reference to the data attribute to input
R/C
setSrcCB
ObjectReference SP
source GoCB of input if via GOOSE
R/C
LNName: NeuDocRDIR#
LDevice inst: Prot
UR element: Neutral Directional Overcurrent element #
data obj. data attribute
Type
FC UR Name
Description
R/W/C
Dir
ACD
NTRL DIR OC# FWD or NTRL DIR OC# REV
operands, which becomes On when
neutral directional overcurrent is flowing
in either forward or reverse direction
respectively
R
general
BOOLEAN
ST logical OR of operands NTRL DIR
OC# FWD and NTRL DIR OC#
REV
R
dirGeneral
ENUMERATED
ST
1 for forward 2 for backward 0 for none 3
for both
R
FwdOp
SPS
NTRL DIR OC# FWD operand
R
stVal
BOOLEAN
ST NTRL DIR OC# FWD
R
RvOp
SPS
NTRL DIR OC# REV operand
R
stVal
BOOLEAN
ST NTRL DIR OC# REV
R
BlkRef
γ
ORG
NEUTRAL DIR OC# BLOCK setting for
setting group
γ
.
R
setSrcRef
ObjectReference SP NEUTRAL DIR OC# 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: NeAUnPTOC#
LDevice inst: Prot
UR element: Neutral Current Unbalance element #
data obj. data attribute
Type
FC UR Name
Description
R/W/C