IEC TR 62689-100:2016

IEC TR 62689-100 ®
Edition 1.0 2016-10
TECHNICAL
REPORT
colour
inside
Current and voltage sensors or detectors, to be used for fault passage indication
purposes –
Part 100: Requirements and proposals for the IEC 61850 series data model
extensions to support fault passage indicators applications

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IEC TR 62689-100 ®
Edition 1.0 2016-10
TECHNICAL
REPORT
colour
inside
Current and voltage sensors or detectors, to be used for fault passage indication

purposes –
Part 100: Requirements and proposals for the IEC 61850 series data model

extensions to support fault passage indicators applications

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 17.220.20 ISBN 978-2-8322-3724-3

– 2 – IEC TR 62689-100:2016 © IEC 2016
CONTENTS
FOREWORD. 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms, definitions and abbreviated terms . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms . 10
3.2.1 Generic abbreviated terms . 10
3.2.2 Proposed specifically for the data model part of this document . 11
3.2.3 Existing abbreviated terms used in IEC 61850 (all parts) data object
names model . 12
3.3 Fault classification definitions . 22
4 Requirements and use cases . 23
4.1 General . 23
4.2 Common actors . 24
4.3 Use cases: fault indication and report . 33
4.3.1 Generic use case – Not fault type specific . 33
4.3.2 Overcurrent non directional Fault Localization and Indication (F1C/NC) . 51
4.3.3 Phase to earth faults, non directional fault detection (F2) . 52
4.3.4 Overcurrent and phase to earth non directional faults detection (F3) . 52
4.3.5 Overcurrent, directional and non directional, fault detection (F4) . 53
4.3.6 Overcurrent, non directional, phase to earth faults, directional and non
directional fault detection (F5) . 53
4.3.7 Overcurrents and phase to earth faults, directional and non directional
fault detection (F6) . 53
4.4 Use cases related to “other functions” . 53
4.4.1 Report on device health . 53
4.4.2 Monitor substation environment . 53
4.4.3 Monitor external communication . 53
4.4.4 Monitor energy flow (energy flow related use cases) . 53
4.4.5 Contribute to distributed automatic FLISR . 59
4.4.6 Contribute to distributed automatic VVC . 75
4.4.7 Contribute to distributed DER management . 75
4.5 Use cases related to “Product life cycle” . 75
4.5.1 IED configuration via CID file . 75
5 Information Models . 100
5.1 Mapping of requirements on LNs . 100
5.1.1 General . 100
5.1.2 Mapping of the requirements of Fault Identification and report . 100
5.1.3 Mapping of the requirements of “other functions” . 101
5.1.4 Mapping of the requirements of “product life cycle” (FieldComp remote
configuration) . 103
6 Logical node classes . 103
6.1 General . 103
6.2 Package LNGroupL . 104
6.2.1 General . 104
6.2.2 LICH LN . 106

6.2.3 LN: Common LD Settings  Name: LCLD . 107
6.3 Package LNGroupM . 108
6.3.1 General . 108
6.3.2 LN: Energy  Name: MMTNExt . 109
6.3.3 LN: Energy  Name: MMTRExt . 111
6.3.4 LN: Measurement  Name: MMXNExt . 113
6.3.5 LN: Measurement  Name: MMXUExt . 114
6.4 Package LNGroupS . 116
6.4.1 General . 116
6.4.2 LN: Current presence monitoring  Name: SCPI . 117
6.4.3 LN: Fault Passage Indicator  Name: SFPI . 118
6.4.4 LN: Fault indicator statistic calculation  Name: SFST . 120
6.4.5 LN: Voltage presence indicator  Name: SVPI . 121
7 Data object name semantics and enumerations . 123
7.1 Data semantics . 123
7.2 Enumerated data attribute types . 126
7.2.1 General . 126
7.2.2 CIDHandlingResultKind enumeration . 127
7.2.3 CIDHandlingStatusKind enumeration . 128
7.2.4 CurrentTransformersArrangementKind enumeration . 128
7.2.5 FaultConfirmationModeKind enumeration . 128
7.2.6 FaultPermanenceKind enumeration . 129
7.2.7 PwrFlwSignKind enumeration . 129
8 SCL enumerations (from DOEnumsJAHWG51) . 129
9 References . 130
Annex A (informative) Interpretation of logical node tables . 131
A.1 General interpretation of logical node tables . 131
A.2 Conditions for element presence . 131
Bibliography . 134

Figure 1 – Actors global hierarchy . 25
Figure 2 – System Actors SGAM positioning (function) . 26
Figure 3 – System Actors SGAM positioning (not function related) . 27
Figure 4 – Fault indication – Main use case . 35
Figure 5 – Fault detection and indication – T1 . 36
Figure 6 – Fault detection and indication– T2 . 37
Figure 7 – Fault detection and indication for FPI – T3,T4 (with communication to
HV/MV SS) in the context of FLISR as described in 4.4.5 . 38
Figure 8 – Fault detection and indication for FPI – T3,T4 (without communication to
HV/MV SS) in the context of FLISR as described in 4.4.5 . 39
Figure 9 – Voltage presence/absence . 52
Figure 10 – Energy flow related use cases . 54
Figure 11 – Sequence diagram for monitoring energy flows use cases . 55
Figure 12 – Logical selectivity – FLI along the MV feeder . 61
Figure 13 – Logical selectivity – FLI inside the EU plant . 62
Figure 14 – Logical selectivity – FLI along the MV feeder and anti-islanding . 63
Figure 15 – Use case – fault location indication . 64

– 4 – IEC TR 62689-100:2016 © IEC 2016
Figure 16 – For further analysis . 65
Figure 17 – IED configuration process via CID . 77
Figure 18 – FieldComp configuration – Main UC . 78
Figure 19 – FieldComp asset management . 79
Figure 20 – Grid and topology planning . 79
Figure 21 – Communication network planning . 80
Figure 22 – First FieldComp connection to communication network . 81
Figure 23 – New FieldComp configuration via CID – Remote + local (successful case) . 82
Figure 24 – New FieldComp configuration via CID – Remote + local (unsuccessful
case – corrupted CID) . 83
Figure 25 – Existing FieldComp on-line reconfiguration – (topology – successful case). 84
Figure 26 – Possible arrangement of LNs to support fault passage indication . 101
Figure 27 – Possible arrangement of LNs to support "Energy flow related use cases" . 102
Figure 28 – Possible arrangement of LNs to support CID Handling . 103
Figure 29 – Class diagram LogicalNodesJAHWG51::LogicalNodesJAHWG51 . 104
Figure 30 – Statechart diagram LNGroupL::LNGroupL . 105
Figure 31 – Class diagram LNGroupL::LNGroupL . 106
Figure 32 – Class diagram LNGroupM::LNGroupM . 109
Figure 33 – Class diagram LNGroupS::LNGroupS . 117
Figure 34 – Class diagram DOEnumsJAHWG51::DOEnumsJAHWG51 . 127

Table 1 – Generic acronyms and abbreviated terms . 10
Table 2 – Abbreviated terms for data object names . 11
Table 3 – Abbreviated terms of IEC 61850 (all parts) for data object names . 12
Table 4 – Fault types . 23
Table 5 – List of common actors . 28
Table 6 – Data objects of LICH . 107
Table 7 – Data objects of LCLD . 108
Table 8 – Data objects of MMTNExt . 110
Table 9 – Data objects of MMTRExt . 112
Table 10 – Data objects of MMXNExt . 114
Table 11 – Data objects of MMXUExt . 115
Table 12 – Data objects of SCPI . 117
Table 13 – Data objects of SFPI . 119
Table 14 – Data objects of SFST . 120
Table 15 – Data objects of SVPI . 122
Table 16 – Attributes defined on classes of LogicalNodesJAHWG51 package . 123
Table 17 – Literals of CIDHandlingResultKind . 127
Table 18 – Literals of CIDHandlingStatusKind . 128
Table 19 – Literals of CurrentTransformersArrangementKind . 128
Table 20 – Literals of FaultConfirmationModeKind . 128
Table 21 – Literals of FaultPermanenceKind . 129
Table 22 – Literals of PwrFlwSignKind . 129

Table A.1 – Interpretation of logical node tables . 131
Table A.2 – Conditions for presence of elements within a context . 132

– 6 – IEC TR 62689-100:2016 © IEC 2016
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CURRENT AND VOLTAGE SENSORS OR DETECTORS,
TO BE USED FOR FAULT PASSAGE INDICATION PURPOSES –

Part 100: Requirements and proposals for the IEC 61850 series data
model extensions to support fault passage indicators applications

FOREWORD
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The main task of IEC technical committees is to prepare International Standards. However, a
technical committee may propose the publication of a Technical Report when it has collected
data of a different kind from that which is normally published as an International Standard, for
example "state of the art".
IEC TR 62689-100, which is a Technical Report, has been prepared by IEC technical
committee 38: Instrument transformers, in cooperation with TC 57: Power systems
management and associated information exchange.

The text of this Technical Report is based on the following documents:
Enquiry draft Report on voting
38/499/DTR 38/519/RVC
Full information on the voting for the approval of this technical report can be found in the
report on voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 62689 series, published under the general title Current and
voltage sensors or detectors, to be used for fault passage indication purposes, can be found
on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
– 8 – IEC TR 62689-100:2016 © IEC 2016
INTRODUCTION
This part of IEC 62689 has two main framework constraints with editorial and technical
impacts as
• this document will be merged with IEC TR 61850-90-6 : IEC TR 62689-100 will exactly
stick with the targeted document structure and principles, and
• this document intends to prepare the content of the future IEC 62689-3 which will directly
rely on the functional requirements expressed in IEC 62689-1 and IEC 62689-2.

___________
Under preparation. Stage at the time of publication: IEC PWI 61850-90-6:2016.
Under preparation. Stage at the time of publication: IEC PWI 62689-3:2016.

CURRENT AND VOLTAGE SENSORS OR DETECTORS,
TO BE USED FOR FAULT PASSAGE INDICATION PURPOSES –

Part 100: Requirements and proposals for the IEC 61850 series data
model extensions to support fault passage indicators applications

1 Scope
This part of IEC 62689, which is a Technical Report, was prepared jointly with TC 57 with the
scope to prepare requirements and proposals for the IEC 61850 series data model extensions
to support fault passage indicators (all classes and extended functions) applications to be
introduced in the future IEC 61850-90-6 and that, in turn, will be needed for the preparation of
the future IEC 62689-3.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC TS 61850-2, Communication networks and systems in substations – Part 2: Glossary
IEC 61850-7-2, Communication networks and systems for power utility automation – Part 7-2:
Basic information and communication structure – Abstract communication service interface
(ACSI)
IEC 61850-7-4, Communication networks and systems for power utility automation – Part 7-4:
Basic communication structure – Compatible logical node classes and data object classes
IEC 62689 (all parts), Current and voltage sensors or detectors, to be used for fault passage
indication purposes
IEC 62689-1, Current and voltage sensors or detectors, to be used for fault passage
indication purposes – Part 1: General principles and requirements
IEC 62689-2, Current and voltage sensors or detectors, to be used for fault passage
indication purposes – Part 2: System aspects
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 61850-2,
IEC 61850-7-2, IEC 62689 (all parts) and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp

– 10 – IEC TR 62689-100:2016 © IEC 2016
3.1.1
fault passage indicator
FPI
device able to detect faults providing indications about their localization (upstream or
downstream from the FPI’s location) and/or about the direction of fault current (usually
referred as the direction of load current, i.e. from the HV/MV transformer towards end of MV
feeders in a radial operated network)
[SOURCE: IEC 62689-1:2016, 3.1.1, modified — The notes to entry have been deleted.]
3.1.2
substation
substation of a power system
part of a power system, concentrated in a given place, including mainly the terminations of
transmission or distribution lines switchgear and housing and which may also include
transformers
Note 1 to entry: It generally includes facilities necessary for system security and control (e.g. the protective
devices).
Note 2 to entry: Apply as well to overhead and underground equipment.
[SOURCE: IEC 62689-1:2016, 3.1.3, modifed — The term "substation of a power system" has
been added as a second preferred term, the last sentence in the definition has been moved to
a new note and the notes to entry have been replaced by new a new note.]
3.1.3
distribution substation unit
DSU
distribution automation unit
device (or a combination of devices and/or functions) able to perform, in addition to specific
FPI functionalities, additional features, not strictly related to fault detection (for instance
remote communication/commands, switch control or breaker control, network automation,
distributed energy resources monitoring and control, etc.)
[SOURCE: IEC 62689-1:2016, 3.1.4, modified — The term "distribution automation unit" has
been added as an admitted term and the note to entry has been deleted.]
3.2 Abbreviated terms
3.2.1 Generic abbreviated terms
Table 1 presents generic acronyms and abbreviated terms used throughout the document.
Table 1 – Generic acronyms and abbreviated terms
Term Description
AR Autorecloser
CB Circuit Breaker
DER Distributed Energy Resource
ds derived statistics
DER MS DER Management System
DERCtl DER Unit Controller
DMSapp DMS application module
DSO SysOp
ECP Electrical connection point

Term Description
EPS Electrical Power System
FeProt Feeder protection function
FeCTL Feeder equipment controller
FieldComp Field level physical component
FieldSyst Field level sub system
FLISRapp FLISR application module
FMS Electric Network Fault management system
FOP Field Operation Personnel
FPI Fault Passage Indicator
FtDet Fault signature detection
FtInd Fault Indicator
FtLOCapp Fault location application module
FtPInd Fault Passage indicator at feeder level
Ms(I,U) Electrical measurement
Ms(Wh) Energy counting for operation
nds not derived statistics
PCC Point of common coupling
Planning Electric Network Planning
PresCond Presence Condition
QIS (Electric Network) Quality Index System
RTUapp Remote terminal gateway function
SysOp Electric System operator
VPI Voltage presence indicator
VVCapp Volt var control Application module

NOTE Refer to Annex A for the terms ds,nds, PresCond.
3.2.2 Proposed specifically for the data model part of this document
Table 2 shows abbreviated terms that are combined to create data object names.
Table 2 – Abbreviated terms for data object names
Term Description
Abc Absence
All All
Cid Configuration file (CID)
Cus customer
Def Default
Evo Evolution, Evolutive
Hdl Handle, Handling
Itm Intermittent
Ms measurement
New New
– 12 – IEC TR 62689-100:2016 © IEC 2016
Term Description
Abc Absence
Ot Outage
Oth Other
Pm Permanent
Q Quadrant
Run Run
Sfx Self-extinguishing
Spm Semi-permanent
To To (preposition)
3.2.3 Existing abbreviated terms used in IEC 61850 (all parts) data object names
model
Table 3 shows abbreviated terms of IEC 61850 (all parts) that are combined to create data
object names.
Table 3 – Abbreviated terms of IEC 61850 (all parts) for data object names

Term Description Term Description
A Current; phase A (L1) Alt Altitude
AC AC, alternating current Amnt Amount
AGC Automatic generation control Amp Ampere, current DC or non-phase-
related AC
ASG Analogue setting CDC
An Analogue
AWatt Wattmetric component of current
Anc Ancillary
Abr Abrasion
Ane Anemometer
Abs Absolute
Ang Angle
Absb Absorbing
Ap Access point
Acc Accuracy; acceleration (deprecated:
use Accl instead) Apc Analogue point control
Accl Acceleration App Apparent
Accm Accumulated Ar Amperes reactive (reactive current)
Ack Acknowledgement, acknowledge Arc Arc
Acs Access Area Area
Act Action, activity, active, activate Arr Array
Actr Actuator At At
Acu Acoustic Auth Authorisation
Adj Adjustment Auto Automatic
Adp Adapter, adaptation Aux Auxiliary
Aff Affected Av Average
Age Ageing Avl Availability
Ahr Ampere hours Ax Axial
Air Air Azi Azimuth
Alg Algorithm B Bushing; phase B (L2)
Alm Alarm BG Before Gain
Term Description Term Description
Bac Binary-controlled analogue value Cf Crest factor
Base Base Cff Coefficient
Bat Battery Cfg Configuration
Bck Backup Ch Channel
Bec Beacon Cha Charger
Beh Behaviour Chg Change
Ber Bit error rate Chk Check
Bias Bias Chr Characteristic
Bl Blade Circ Circulating, circuit
Blb Bulb Cl Cooling, coolant, cooling system (see
also CE)
Blk Block, blocked
Clc Calculate, calculated
Blow Blowby
Clip Clip
Bnd Band, bandwidth
Clk Clock
Boil Boiler
Cloud Cloud
Bot Bottom
Clr Clear
Brcb Buffered report control block
Cls Close, closed
Brg Bearing
Cm Centimetres
Brk Brake
Cmbu Combustible, combustion
Bsc Binary status control
Cmd Command
Bst Boost
Cmpl Completed, completion, complete
Bt Heartbeat
Cmut Commute, commutator
Bus Bus
Cndct Conductivity
C Carbon; phase C (L3)
Cnt Counter
C2H2 Acetylene
Cntt Contractual
C2H4 Ethylene
Cnv Converter
C2H6 Ethane
Col Coil
CB Circuit breaker
Comm Communication
CE Cooling equipment (see also Cl)
Comp Compensation
CG Core ground
ConfRev Configuration revision (confRev from
CH4 Methane
IEC 61850-7-2)
CHP Combined heat and power
Conn Connected, connections
CO Carbon monoxide
Cons Constant (general)
CO2 Carbon dioxide
Cor Correction
Cab Cable
Core Core
Cal Calorie, caloric
Cost Cost
Cam Cam, e.g. rotating non-circular disk
Crank Crank
Cap Capability, capacity
Crd Coordination
Capac Capacitance
Crit Critical
Car Carrier
Crl Correlation
Cbr Calibration
Crp Creeping, slow movement
Ccw Counter clockwise
Crv Curve
Ccy Currency
Csmp Consumption, consumed
Ceil Ceiling
Ctl Control
Cel Cell
Ctr Center
– 14 – IEC TR 62689-100:2016 © IEC 2016
Term Description Term Description
Cur Current Dl Delay
Cut Cut, cut-out, cut-in Dlt Delete
Cvr Cover, cover level Dlv Delivery
Cw Clockwise Dmd Demand
Cwb Crowbar Dn Down, downstream
Cyc Cycle Dpc Double point control
D Derivate Dpt Departure
DC DC, direct current Drag Drag hand
DER Distributed energy resource Dropout Dropout
DExt De-excitation Drp Droop
DPCSO Double point controllable status output Drt Derate
DQ0 Direct, quadrature, and zero axis Drtb Draft tube
quantities
Drv Drive
DS Device state
Dsa Disable, disabled
DT Daylight saving time
Dsc Discrepancy
Dam Dam
Dsch Discharge
Damp Damping
Dscon Disconnected
Date Date, date and time of action
Dsp Displacement
Day Day
Dtc Detection
Db Deadband
Dur Duration
Dcl DC-link
Dust Dust
Dct Direct
Dv Deviation
De De (prefix)
Dw Delta Omega
Dea Dead
ECP Electrical connection point
Dec Decrease
EE External equipment
Deg Degrees
EF Earth fault
Dehum De-humidifier
EFN Earth-fault neutriliser (Petersen coil)
Del Delta
ENG Enumerated status setting CDC
Den Density
ENS Enumerated status CDC
Dep Dependent
EV Electrical Vehicle
Det Detected
EVSE EV Supply Equipment
Detun Detuning
Echo Echo
Dev Device
Edt Edit, edited
Dew Dew
Efc Efficiency
Dff Diffuse
El Elevation
Dfl Deflector (used in Pelton turbines)
Em Emission
Dia Diaphragm
Emg Emergency
Diag Diagnostics
En Energy
Dif Differential, difference
Ena Enabled, enable, allow operation
Dig Digital
Enc Enumerated control
Dip Dip
Encl Enclosure
Dir Direction
End End
Dis Distance
Eng Engine
Dith Dither
Ent Entity, entities
Term Description Term Description
Entr Entry, entries Gdv Guide vane
Env Environment Gen General
Eq Equalization, equal, equivalent Gn Generator
Err Error Gnd Ground
Est Estimated GoCBRef GOOSE control block reference
Ev Evaluation Gocb GOOSE control block
Evn Even Gr Group
Evt Event Gra Gradient
Ex External Grd Guard
ExIm Export/import Gri Grid
Exc Exceeded Gross Gross
Excl Exclusion Gs Grease
Exp Expired Gte Gate
Expt Export Gust Gust
Ext Excitation H Harmonics (phase-related)
F Float H2 Hydrogen
FA Fault arc H2O Water (chemical aspect: liquid, steam,
etc.)
FPM Fuel processing module
HP Hot point
Fa "Fire all" sequence (to thyristors)
HPh Harmonics phase
Fact Factor
Ha Harmonics (non-phase-related AC)
Fail Failure
Hd Head
Fan Fan
Health Health
Fbc Field breaker configuration
Heat Heater, heating, heat (see also Ht)
Fer Frame error rate
Hi High, highest
Fil Filter, filtration system
Hold Hold
Fish Fish
Hor Horizontal
Fix Fixed
Horn Horn
Fld Field
Ht Heating, heating system (see also
Fll Fall
Heat)
Flm Flame
Htex Heat-exchanger
Flood Flood
Hub Hub
Flsh Flash, flashing
Hum Humidity
Flt Fault
Hy Hydraulic, hydraulic system
Flush Flush
Hyd Hydrological, hydro, water
Flw Flow, flowing
Hys Hysteresis
Fol Follower, following
Hz Frequency
Forc Forced
Hz1 Frequency at side 1
Fu Fuse
Hz2 Frequency at side 2
Fuel Fuel
I Integral, integration
Full Full
ING Integer status setting CDC
Fwd Forward
INS Integer status CDC
Gain Gain
ISCSO Integer status controllable status
output
Gas Gas
Ia Information available
Gbx Gearbox
– 16 – IEC TR 62689-100:2016 © IEC 2016
Term Description Term Description
Iafm Information available force majeure IeeeKL1 Proportional gain LF positive. Defined
in IEEE 421.5
Iano Information available non-operative
IeeeKL11 Lead gain LF positive. Defined in IEEE
Ianofo Information available non-operative
421.5
forced outage
IeeeKL17 Lead gain LF negative. Defined in
Ianopca Information available non-operative
IEEE 421.5
planned corrective action
IeeeKL2 Proportional gain LF negative. Defined
Ianos Information available non-operative
in IEEE 421.5
suspended
IeeeKs1 Gain Ks1. Defined in IEEE 421.5
Ianosm Information available non-operative
scheduled maintenance IeeeKs2 Gain Ks2. Defined in IEEE 421.5
Iao Information available operative IeeeKs3 Gain Ks3. Defined in IEEE 421.5
Iaog Information available operative IeeeM Ramptrack lowpass degree M. Defined
generating in IEEE 421.R
Iaogfp Information available operative IeeeN Ramptrack overall degree N. Defined
generating with full performance in IEEE 421.5
Iaogpp Information available operative IeeeT1 Time constant T1. Defined in IEEE
generating with partial performance 421.5
Iaong Information available operative non- IeeeT10 Time constant T10. Defined in IEEE
generating 421.5
Iaongel Information available operative non- IeeeT11 Time constant T11. Defined in IEEE
generating out of electrical 421.5
specification
IeeeT2 Time constant T2. Defined in IEEE
Iaongen Information available operative non- 421.5
generating out of environment
IeeeT3 Time constant T3. Defined in IEEE
specification
421.5
Iaongrs Information available operative non-
IeeeT4 Time constant T4. Defined in IEEE
generating requested shutdown
421.5
Iaongts Information available operative non-
IeeeT7 Time constant T7. Defined in IEEE
generating technical standby
421.5
Ice Ice
IeeeT8 Time constant T8. Defined in IEEE
Id Identity, identifier 421.5
Ieee IEEE definition IeeeT9 Time constant T9. Defined in IEEE
421.5
IeeeKH Proportional gain HF (High
Frequency). Defined in IEEE 421.5 IeeeTH1 Time constant TH1 (High frequency
positive). Defined in IEEE 421.5
IeeeKH1 Proportional gain HF positive. Defined
in IEEE 421.5 IeeeTH10 Time constant TH10 (High frequency
negative). Defined in IEEE 421.5
IeeeKH11 Lead gain HF positive. Defined in
IEEE 421.5 IeeeTH11 Time constant TH11 (High frequency
negative). Defined in IEEE 421.5
IeeeKH17 Lead gain HF negative. Defined in
IEEE 421.5 IeeeTH12 Time constant TH12 (High frequency
negative). Defined in IEEE 421.5
IeeeKH2 Proportional gain HF negative.
Defined in IEEE 421.5 IeeeTH2 Time constant TH2 (High frequency
positive). Defined in IEEE 421.5
IeeeKI Proportional gain IF (Intermediate
Frequency). Defined in IEEE 421.5 IeeeTH3 Time constant TH3 (High frequency
positive). Defined in IEEE 421.5
IeeeKI1 Proportional gain IF positive. Defined
in IEEE 421.5 IeeeTH4 Time constant TH4 (High frequency
positive). Defined in IEEE 421.5
IeeeKI11 Lead gain IF positive. Defined in IEEE
421.5 IeeeTH5 Time constant TH5 (High frequency
positive). Defined in IEEE 421.5
IeeeKI17 Lead gain IF negative. Defined in
IEEE 421.5 IeeeTH6 Time constant TH6 (High frequency
positive). Defined in IEEE 421.5
IeeeKI2 Proportional gain IF negative. Defined
in IEEE 421.5 IeeeTH7 Time constant TH7 (High frequency
negative). Defined in IEEE 421.5
IeeeKL Proportional gain LF (Low Frequency).
Defined in IEEE 421.5 IeeeTH8 Time constant TH8 (High frequency
negative). Defined in IEEE 421.5

Term Description Term Description
IeeeTH9 Time constant TH9 (High frequency IeeeTL8 Time constant TL8 (Low frequency
negative). Defined in IEEE 421.5 negative). Defined in IEEE 421.5
IeeeTI1 Time constant TI1 (Intermediate IeeeTL9 Time constant TL9 (Low frequency
frequency positive). Defined in IEEE negative). Defined in IEEE 421.5
421.5
IeeeTw1 Time constant wash out Tw1. Defined
IeeeTI10 Time constant TI10 (Intermediate in IEEE 421.5
frequency negative). Defined in IEEE
IeeeTw2 Time constant wash out Tw2. Defined
421.5
in IEEE 421.5
IeeeTI11 Time constant TI11 (Intermediate
IeeeTw3 Time constant wash out Tw3. Defined
frequency negative). Defined in IEEE
in IEEE 421.5
421.5
IeeeTw4 Time constant wash out Tw4. Defined
IeeeTI12 Time constant TI12 (Intermediate
in IEEE 421.5
frequency negative). Defined in IEEE
421.5
IeeeVHMax Maximum limit set-point HF. Defined
in IEEE 421.5
IeeeTI2 Time constant TI2 (Intermediate
frequency positive). Defined in IEEE
IeeeVHMin Minimum limit set-point HF. Defined in
421.5
IEEE 421.5
IeeeTI3 Time constant TI3 (Intermediate
IeeeVIMax Maximum limit set-point IF. Defined in
frequency positive). Defined in IEEE
IEEE 421.5
421.5
IeeeVIMin Minimum limit set-point IF. Defined in
IeeeTI4 Time constant TI4 (Intermediate
IEEE 421.5
frequency positive). Defined in IEEE
421.5
IeeeVLMax Maximum limit set-point LF. Defined in
IEEE 421.5
IeeeTI5 Time constant TI5 (Intermediate
frequency positive). Defined in IEEE
IeeeVLMin Minimum limit set-point LF. Defined in
421.5
IEEE 421.5
IeeeTI6 Time constant TI6 (Intermediate
IeeeVsi1Max Input High Limit 1. Defined in IEEE
frequency positive). Defined in IEEE
421.5
421.5
IeeeVsi1Min Input Low Limit 1. Defined in IEEE
IeeeTI7 Time constant TI7 (Intermediate
421.5
frequency negative). Defined in IEEE
IeeeVsi2Max Input High Limit 2. Defined in IEEE
421.5
421.5
IeeeTI8 Time constant TI8 (Intermediate
IeeeVsi2Min Input Low Limit 2. Defined in IEEE
frequency negative). Defined in IEEE
421.5
421.5
IeeeVstMax Output High Limit. Defined in IEEE
IeeeTI9 Time constant TI9 (Intermediate
421.5
frequency negative). Defined in IEEE
421.5
IeeeVstMin Output Low Limit. Defined in IEEE
421.5
IeeeTL1 Time constant TL1 (Low frequency
positive). Defined in IEEE 421.5
Imb Imbalance
IeeeTL10 Time constant TL10 (Low frequency
Imp Impedance non-phase-related AC
negative). Defined in IEEE 421.5
Impact Impact
IeeeTL11 Time constant TL11 (Low frequency
negative). Defined in IEEE 421.5
Impt Import
IeeeTL12 Time constant TL12 (Low frequency
In Input
negative). Defined in IEEE 421.5
Ina Inactivity
IeeeTL2 Time constant TL2 (Low frequency
positive). Defined in IEEE 421.5 Inc Integer control
Incr Increment, inc
...