1. LN: Flicker measurement name Name: MFLK

This LN shall be used for calculation of flicker inducing voltage fluctuations according to IEC 61000-4-15. The main use is for operative applications.

MFLK 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.



Data objects

Measured and metered values

PPPst

DEL

Short-term flicker severity of last complete interval for phase to phase measurements


0

PhPst

WYE

Short-term flicker severity of last complete interval for phase to ground measurements


0

PPPIt

DEL

Long-term flicker severity of last complete interval for phase to phase measurements


0

PhPIt

WYE

Long-term flicker severity of last complete interval for phase to ground measurements


0

PPPiMax

DEL

Output 5 - Instantaneous peak P value for phase to phase measurements


о

PhPiMax

DEL

Output 5 - Instantaneous peak P value for phase to ground measurements


о

PPPiLoFil

DEL

Output 4 - 1 min average of output 5 for phase to phase measurements


О

PhPiLoFil

DEL

Output 4-1 min average of output 5 for phase to ground measurements


о

PPPiRoot

DEL

Output 3 - Square root of output 5 for phase to phase measurements


о

PhPiRoot

DEL

Output 3 - Square root of output 5 for phase to ground measurements


о

PPPcbLs

HST

Classifier bins of last complete short interval for phase to phase (AB, BC, CA)


О

PhPcbLs

HST

Classifier bins of last complete short interval for phase to ground (A, B, C)


О

PPPcbLI

HST

Classifier bins of last complete long interval for phase to phase (AB, BC, CA)


О

PhPcbLI

HST

Classifier bins of last complete long interval for phase to ground (А, В, C)


о

PPPdmWav

HDEL

Real time demodulated waveform for phase to phase (AB, BC, CA)


о

PhPdmWav

HWYE

Real time demodulated waveform for phase to ground (А, В, C)


О

MFLK class

Data object name

Common data class

Explanation

T

М/О/ c

PPPdmSpec

HDEL

Real time demodulated waveform spectra for phase to phase (AB, BC, CA)


о

PhPdmSpec

HWYE

Real time demodulated waveform spectra for phase to ground (А, В, C)


0



  1. LN: Harmonics or interharmonics Name: MHAI

For a description of this LN, see IEC 61850-5. This LN shall be used for calculation of harmonics or interharmonics in a three-phase system. Instances either for harmonics (including subharmonics and multiples) or interharmonics are possible depending on the value of the basic settings, i.e.:

  • frequency f ("Hz”);

  • evaluation window At ("EvTmms”).

The frequency may either be given (HzSet) or calculated (Hz).

Both harmonics and interharmonics carry power and produce distortions. There are different methods to calculate disturbances. For more information and definitions, see IEC 61000-4-7 (2002), IEEE 519-1992, and IEEE 1459-2000.

MHAI 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.



Data objects

Measured and metered values

Hz

MV

Basic frequency


c

HA

HWYE

Sequence of harmonics or interharmonics current


о

HPhV

HWYE

Sequence of harmonics or interharmonics phase to ground voltages


0

HPPV

HDEL

Sequence of harmonics or interharmonics phase to phase voltages


о

HW

HWYE

Sequence of harmonics or interharmonics active power


о

HVAr

HWYE

Sequence of harmonics or interharmonics reactive power


о

HVA

HWYE

Sequence of harmonics or interharmonics apparent power


о

HRmsA

WYE

Current RMS harmonic or interharmonics (un-normalized total harmonic distortion, Thd)


о

HRmsPhV

WYE

Voltage RMS harmonic or interharmonics (un-normalized Thd) for phase to ground


о

HRmsPPV

DEL

Voltage RMS harmonic or interharmonics (un-normalized Thd) for phase to phase


о

HTuW

WYE

Total phase harmonic or interharmonics active power (no fundamental) unsigned sum


о

HTsW

WYE

Total phase harmonic or interharmonic active power (no fundamental) signed sum


о

HATm

WYE

Current time product


О

HKf

WYE

К factor


о

HTdf

WYE

Transformer derating factor


о

ThdA

WYE

Current total harmonic or interharmonic distortion (different methods)


о

ThdOddA

WYE

Current total harmonic or interharmonic distortion (different methods - odd components)


о

ThdEvnA

WYE

Current total harmonic or interharmonic distortion (different methods - even components)


о



MHAI class

Data object name

Common data class

Explanation

T

М/О/ c

TddA

WYE

Current total demand distortion per IEEE 519


о

TddOddA

WYE

Current total demand distortion per IEEE 519 (odd components)


о

TddEvnA

WYE

Current total demand distortion per IEEE 519 (even components)


о

ThdPhV

WYE

Voltage total harmonic or Interharmonic Distortion (different methods) for phase to ground


о

ThdOddPhV

WYE

Voltage total harmonic or interharmonic distortion (different methods) for phase to ground (odd components)


О

ThdEvnPhV

WYE

Voltage total harmonic or interharmonic distortion (different methods) for phase to ground (even components)


О

ThdPPV

DEL

Voltage total harmonic or interharmonic distortion (different methods) for phase to phase


О

ThdOddPPV

DEL

Voltage total harmonic or interharmonic distortion (different methods) for phase to phase (odd components)


О

ThdEvnPPV

DEL

Voltage total harmonic or interharmonic distortion (different methods) for phase to phase (even components)


О

HCfPhV

WYE

Voltage crest factors (peak waveform value/sqrt(2)/fundamental) for phase to ground


О

HCfPPV

DEL

Voltage crest factors (peak waveform value/sqrt(2)/fundamental) for phase to phase


о

HCfA

WYE

Current crest factors (peak waveform value/sqrt(2)/fundamental)


о

HTif

WYE

Voltage telephone influence factor


О

Settings

HzSet

ASG

Basic frequency


с

EvTmms

ING

Evaluation time (time window) determines the lowest frequency


О

NumCyc

ING

Number of cycles of the basic frequency


о

ThdAVal

ASG

ThdA alarm setting - value entered in %


О

ThdVVal

ASG

ThdPhV / ThdPPV alarm setting - value entered in %


О

ThdATmms

ING

ThdA alarm time delay in ms


О

ThdVTmms

ING

ThdPhV / ThdPPV alarm time delay in ms


О

NomA

ASG

Normalising demand current used in IEEE 519 TDD calculation


о

Condition C: Hz and HzSet are exclusive.



  1. LN: Non-phase-related harmonics or interharmonics Name: MHAN

This LN shall be used for calculation of harmonics or interharmonics in a single-phase system, i.e. a single line with no phase relations. Instances either for harmonics (including subharmonics and multiples) or interharmonics are possible depending on the value of the basic settings, i.e.:

  • frequency f (“Hz");

  • evaluation window At (“EvTmms”).

The frequency may either be given or calculated by means such as a phase-locked loop (only possible for a dominant frequency like the basic power frequency). For the settings for harmonics and interharmonics instances, see MHAI.



MHAN 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.



Data objects ' ■ ' .... - ’ ' ’ ■

Measured and metered values

Hz

MV

Basic frequency


c

HaAmp

HMV

Sequence of harmonics or interharmonics for current


0

HaVol

HMV

Sequence of harmonics or interharmonics for voltages


0

HaWatt

HMV

Sequence of harmonics or interharmonics for active power


о

HaVolAmpr

HMV

Sequence of harmonics or interharmonics for reactive power


о

HaVolAmp

HMV

Sequence of harmonics or interharmonics for apparent power


О

HaRmsAmpx

MV

Current RMS harmonic or interharmonic (un-normalized Thd)


О

HaRmsVol

MV

Voltage RMS harmonic or interharmonic (un-normalized Thd)


о

HaTuWatt

MV

Total harmonic or interharmonic active power (no fundamental) unsigned sum


О

HaTsWatt

MV

Total harmonic or interharmonic active power (no fundamental) signed sum


О

HaAmpTm

MV

Current time product


о

HaKFact

MV

К factor


о

HaTdFact

MV

Transformer derating factor


О

ThdAmp

MV

Current total harmonic or Interharmonic distortion (different methods)


О

ThdOddAmp

MV

Current total harmonic or Interharmonic distortion (different methods - odd components)


О

ThdEvnAmp

MV

Current total harmonic or interharmonic distortion (different methods - even components)


О

TddAmp

MV

Current total demand distortion per IEEE 519


о

TddOddAmp

MV

Current total demand distortion per IEEE 519 (odd components)


О

TddEvnAmp

MV

Current total demand distortion per IEEE 519 (even components)


О

ThdVol

MV

Voltage total harmonic or Interharmonic distortion (different methods)


О

ThdOddVol

MV

Voltage total harmonic or interharmonic distortion (different methods - odd components)


о

ThdEvnVol

MV

Voltage total harmonic or Interharmonic distortion (different methods­even components)


о

HaCfAmp

MV

Current crest factors (peak waveform value/sqrt(2)/fundamental)


о

HaCfVol

MV

Voltage crest factors (peak waveform value/sqrt(2)/fundamental)


О

HaTiFact

MV

Voltage telephone influence factor


О

Settings

HzSet

ASG

Basic frequency


с

EvTmms

ING

Evaluation time (time window) determines the lowest frequency


о

NumCyc

ING

Number of cycles of the basic frequency


О

ThdAVal

ASG

ThdA alarm setting - value entered in %


О

ThdVVal

ASG

ThdV alarm setting - value entered in %


О

ThdATmms

ING

ThdA alarm time delay in ms


о

ThdVTmms

ING

ThdV alarm time delay in ms


О

NomA

ASG

Normalising demand current used in IEEE 519 TDD calculation


о