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UR FAMILY – COMMUNICATIONS GUIDE
MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
CHAPTER 3: IEC 61850 COMMUNICATION
3
3.5.5.6 Harmonics and THD metering (HThd)
There is a single IMD for Source Current THD and Harmonics Metering, Source Voltage Harmonics and THD Metering, and
Source Current THD.
This element is instantiated in the following products: C70, D60, F35, F60, G30, G60, L30, L60, L90, N60, T60.
Table 3-202: Harmonics and THD metering data objects
RsStat
SPC
only instantiated in EnrMtrMMTR1
R/Ctrl
pulseConfig
PulseConfig
CF
R
pulseConfig
.cmdQual
ENUMERATED
0 (pulse)
R
pulseConfig.onDur INT32U
0 indicates the duration is locally defined R
pulseConfig
.offDur
INT32U
0
R
pulseConfig
.numPls
INT32U
1
R
ctlModel
CtlModels
CF EnrMtrMMTR1.RsStat.ctlModel 1, the code for direct control with normal
security; 2 is code for SBO with normal
security.
R/W/C
sboTimeout
INT32U
CF
30000
R
sboClass
SboClasses
CF
0 (operate-once)
R
operTimeout
INT32U
CF
0
R
InRef1
ORG
CLEAR ENERGY setting.
R
setSrcRef
ObjectReference SP setting reference to clear
Energy, which shows the
receiving of dynamically clearing
signal for energy calculation
reference to the data attribute to input
R/C
setSrcCB
ObjectReference SP
source GoCB of input if via GOOSE
R/C
LNName: HThdMHAI#
LDevice inst: Meter
UR element: Harmonics and THD metering
data obj. data attribute
Type
FC UR Name
Description
R/W/C
Hz
MV
SRC # Frequency, in Hz
R
instMag
AnalogueValue MX
R
instMag.f
FLOAT32
SRC # Frequency
R
mag
AnalogueValue MX
R
mag.f
FLOAT32
instMag.f deadbanded
R
units
Unit
CF
R
units.SIUnit
ENUMERATED
33, the code for hertz (1/s)
R
units.multiplier
ENUMERATED
0, the code for a multiplier of 1
R
db
INT32U
CF HThdMHAI#.Hz.db
R/W/C
zeroDb
INT32U
CF
0
R
ThdA
WYE
Instantiated only in products that
measure THD current
R
phs
θ
CMV
R
phs
θ
.instCVal
Vector
MX
R
phs
θ
.instCVal.mag
.f
FLOAT32
SRC # THD I
φ
magnitude
R
phs
θ
.cVal
Vector
MX
R
phs
θ
.cVal.mag.f
FLOAT32
SRC # THD I
φ
magnitude, with
dead band
R
phs
θ
.units
Unit
CF
R
phs
θ
.units.SIUnit ENUMERATED
1, the code for dimensionless
(percentage)
R
phs
θ
.units
.multiplier
ENUMERATED
-2
R
phs
θ
.db
INT32U
CF HThdMHAI#.ThdA.phs
θ
.db
R/W/C
LNName: EnrMtrMMTR#
LDevice inst: Meter
UR element: Signal Source # Energy Metering
data obj. data attribute
Type
FC UR Name
Description
R/W/C