Condition С: Hz and HzSet are exclusive.
LN: Hydrological information Name: MHYD
Logical node MHYD shall comprise the data objects that represent hydrological information such as river, lake, pond, or oceanic water related information.
This logical node may represent a collection of meteorological information from many sources.
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MHYD class |
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Data object Name |
Common data class |
Explanation |
T |
MIDI C |
|
LNName |
|
The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61B50-7-2, Clause 22. |
|
|
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Data objects |
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|
Measured and metered values |
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|
Lev |
MV |
Water level |
|
0 |
|
Flw |
MV |
River, stream, canal volumetric flow |
|
о |
|
SpdSrfc |
MV |
Surface speed of water flow |
|
0 |
|
Tmp |
MV |
Temperature of water |
|
о |
|
Cndct |
MV |
Electrical conductivity of water |
|
О |
|
HydPH |
MV |
Acidity of water (0-14) |
|
о |
|
Sint |
MV |
Saline content of water [g/l] |
|
о |
|
FishCnt |
BCR |
Fish counter reading |
|
о |
LN: DC measurement Name: MMDC
Logical node MMDC shall be used to represent measurements in a DC system; current, voltage, power and resistance.
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MMDC class |
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Data object name |
Common data class |
Explanation |
T |
M/O/C |
|
LNName |
|
The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22. |
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|
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Data objects |
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|
Measured and metered values |
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Watt |
MV |
Power |
|
о |
|
Amp |
MV |
Current (DC current) |
|
0 |
|
Vol |
MV |
Voltage (DC voltage) between poles |
|
о |
|
VolPsGnd |
MV |
Voltage between positive pole and earth |
|
О |
|
VolNgGnd |
MV |
Voltage between negative pole and earth |
|
о |
|
Ris |
MV |
Resistance in DC circuit |
|
О |
|
RisPsGnd |
MV |
Resistance between positive pole and earth |
|
о |
|
RisNgGnd |
MV |
Resistance between negative pole and earth |
|
О |
LN: Meteorological information Name: MMET
Logical node MMET shall comprise the data objects that represent meteorological information.
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The data objects as shown in the following table focus on meteorological station information. MMET may in reality represent a collection of meteorological information from many sources, that is, from sensors located at different places.; MMET class |
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|
Data object name |
Common data class |
Explanation |
T |
М/О/ c |
|
LNName |
|
The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22. |
|
|
|
Data objects |
||||
|
Measured and metered values |
||||
|
EnvTmp |
MV |
Ambient temperature |
|
о |
|
WetBlbTmp |
MV |
Wet bulb temperature |
|
о |
|
CloudCvr |
MV |
Cloud cover level |
|
о |
|
EnvHum |
MV |
Humidity |
|
о |
|
DewPt |
MV |
Dew point |
|
о |
|
Dfflnsol |
MV |
Diffuse insolation |
|
о |
|
Dctlnsol |
MV |
Direct normal insolation |
|
о |
|
DiDur |
MV |
Daylight duration (time elapsed between sunrise and sunset) |
|
о |
|
Horlnsol |
MV |
Total horizontal insolation |
|
о |
|
HorWdDir |
MV |
Horizontal wind direction |
|
о |
|
HorWdSpd |
MV |
Horizontal wind speed |
|
о |
|
VerWdDir |
MV |
Vertical wind direction |
|
о |
|
VerWdSpd |
MV |
Vertical wind speed |
|
о |
|
WdGustSpd |
MV |
Wind gust speed |
|
о |
|
EnvPres |
MV |
Barometric pressure |
|
о |
|
RnFII |
MV |
Rainfall |
|
о |
|
SnwDen |
MV |
Density of snowfall |
|
о |
|
SnwTmp |
MV |
Temperature of snowfall |
|
о |
|
SnwCvr |
MV |
Snow cover |
|
о |
|
SnwFII |
MV |
Snowfall |
|
о |
|
SnwEq |
MV |
Water equivalent of snowfall |
|
о |
LN: Metering Single Phase Name: MMTN
For a description of this LN, see IEC 61850-5. This LN shall be used for calculation of energy in a single-phase system. The main use is for billing purposes.
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MMTN class |
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|
Data object name |
Common data class |
Explanation |
T |
М/С/ c |
|
LNName |
|
The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22. |
|
|
|
Data objects |
||||
|
Measured and metered values . |
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|
TotVAh |
BCR |
Net apparent energy |
|
о |
|
TotWh |
BCR |
Net real energy |
|
о |
|
TotVArh |
BCR |
Net reactive energy |
|
о |
|
SupWh |
BCR |
Real energy supply (default supply direction: energy flow towards busbar) |
|
о |
|
SupVArh |
BCR |
Reactive energy supply (default supply direction: energy flow towards busbar) |
|
о |
|
DmdWh |
BCR |
Real energy demand (default demand direction: energy flow from busbar away) |
|
о |
|
DmdVArh |
BCR |
Reactive energy demand (default demand direction: energy flow from busbar away) |
|
о |
LN: Metering 3 Phase Name: MMTR
For a description of this LN, see IEC 61850-5. This LN shall be used for calculation of energy in a three-phase system. The main use is for billing purposes.
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MMTR class |
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Data object name |
Common data class |
Explanation |
T |
MIDI C |
|
LNName |
|
The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22. |
|
|
|
Data objects |
||||
|
Measured and metered values |
||||
|
TotVAh |
BCR |
Net apparent energy |
|
О |
|
TotWh |
BCR |
Net real energy |
|
О |
|
TotVArh |
BCR |
Net reactive energy |
|
О |
|
SupWh |
BCR |
Real energy supply (default supply direction: energy flow towards busbar) |
|
О |
|
SupVArh |
BCR |
Reactive energy supply (default supply direction: energy flow towards busbar) |
|
О |
|
DmdWh |
BCR |
Real energy demand (default demand direction: energy flow from busbar away) |
|
О |
|
DmdVArh |
BCR |
Reactive energy demand (default demand direction: energy flow from busbar away) |
|
О |
5.10.11 LN: Non-phase-related measurement Name: MMXN
This LN shall be used for calculation of currents, voltages, powers and impedances in a singlephase system, i.e. in a system where voltages and currents are not phase-related. The main use is for operative applications.
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MMXN class |
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|
Data object name |
Common data class |
Explanation |
T |
М/О/ c |
|
LNName |
|
The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22. |
|
|
|
Data objects . |
||||
|
Measured and metered values |
||||
|
Amp |
MV |
Current I not allocated to a phase |
|
о |
|
Vol |
MV |
Voltage V not allocated to a phase |
|
о |
|
Watt і |
MV |
Power (P) not allocated to a phase |
|
О |
|
VolAmpr |
MV |
Reactive power (Q) not allocated to a phase |
|
О |
|
VolAmp |
MV |
Apparent power (S) not allocated to a phase |
|
О |
|
PwrFact |
MV |
Power factor not allocated to a phase |
|
О |
|
Imp |
CMV |
Impedance |
|
О |
|
Hz |
MV |
Frequency |
|
о |
5.10.12 LN: Measurement Name: MMXU
For a description of this LN, see IEC 61850-5. This LN shall be used for calculation of currents, voltages, powers and impedances in a three-phase system. The main use is for operative applications.
|
MMXU class |
||||
|
Data object name |
Common data class |
Explanation |
T |
М/О/ c |
|
LNName |
|
The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22. |
|
|
|
MMXU class |
||||
|
Data object name |
Common data class |
Explanation |
T |
М/О/ c |
|
Data objects |
||||
|
Measured and metered values |
||||
|
TotW |
MV |
Total active power (total P) |
|
0 |
|
TotVAr |
MV |
Total reactive power (total Q) |
|
о |
|
TotVA |
MV |
Total apparent power (total S) |
|
0 |
|
TotPF |
MV |
Average power factor (total PF) |
|
0 |
|
Hz |
MV |
Frequency |
|
о |
|
PPV |
DEL |
Phase to phase voltages (VL1, VL2, ...) |
|
О |
|
PNV |
WYE |
Phase to neutral voltage |
|
О |
|
PhV |
WYE |
Phase to ground voltages (V7.1ER, ...) |
|
о |
|
A |
WYE |
Phase currents (/L1, IL2, IL3) |
|
О |
|
W |
WYE |
Phase active power (P) |
|
о |
|
VAr |
WYE |
Phase 'eactive power (Q) |
|
О |
|
VA |
WYE |
Phase apparent power (S) |
|
О |
|
PF |
WYE |
Phase power factor |
|
О |
|
Z |
WYE |
Phase impedance |
|
О |
|
AvAPhs |
MV |
Arithmetic average of the magnitude of current of the 3 phases. Average(la,lb,lc) |
|
о |
|
AvPPVPhs |
MV |
Arithmetic average of the magnitude of phase to phase voltage of the 3 phases. Average(PPVa, PPVb, PPVc) |
|
О |
|
AvPhVPhs |
MV |
Arithmetic average of the magnitude of phase to reference voltage of the 3 phases. Average(PhVa, PhVb, PhVc) |
|
О |
|
AvWPhs |
MV |
Arithmetic average of the magnitude of active power of the 3 phases. Average(Wa, Wb, Wc) |
|
о |
|
AvVAPhs |
MV |
Arithmetic average of the magnitude of apparent power of the 3 phases. Average(VAa, VAb, VAc) |
|
о |
|
AvVArPhs |
MV |
Arithmetic average of the magnitude of reactive power of the 3 phases. Average(VAra, VArb, VArc) |
|
о |
|
AvPFPhs |
MV |
Arithmetic average of the magnitude of power factor of the 3 phases. Average(PFa, PFb, PFc) |
|
о |
|
AvZPhs |
MV |
Arithmetic average of the magnitude of impedance of the 3 phases. Average(Za, Zb, Zc) |
|
о |
|
MaxAPhs |
MV |
Maximum magnitude of current of the 3 phases. Max(la,lb,lc) |
|
о |
|
MaxPPVPhs |
MV |
Maximum magnitude of phase to phase voltage of the 3 phases. Max(PPVa, PPVb, PPVc) |
|
о |
|
MaxPhVPhs |
MV |
Maximum magnitude of phase to reference voltage of the 3 phases. Max(PhVa, PhVb, PhVc) |
|
о |
|
MaxWPhs |
MV |
Maximum magnitude of active power of the 3 phases. Max(Wa, Wb, Wc) |
|
о |
|
MaxVAPhs |
MV |
Maximum magnitude of apparent power of the 3 phases. Max(VAa, VAb, VAc) |
|
О |
|
MaxVArPhs |
MV |
Maximum magnitude of reactive power of the 3 phases. Max(VAra, VArb, VArc) |
|
О |
|
MaxPFPhs |
MV |
Maximum magnitude of power factor of the 3 phases. Max(PFa, PFb, PFc) |
|
о |
|
MaxZPhs |
MV |
Maximum magnitude of impedance of the 3 phases. Max(Za, Zb, Zc) |
|
О |
