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BS EN IEC 61850-7-420:2021

BS EN IEC 61850-7-420:2021

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Communication networks and systems for power utility automation – Basic communication structure. Distributed energy resources and distribution automation logical nodes

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BSI 2021 554
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This part of IEC 61850 defines the IEC 61850 information models to be used in the exchange of information with distributed energy resources (DER) and Distribution Automation (DA) systems. DERs include distribution-connected generation systems, energy storage systems, and controllable loads, as well as facility DER management systems, including aggregated DER, such as plant control systems, facility DER energy management systems (EMS), building EMS, campus EMS, community EMS, microgrid EMS, etc. DA equipment includes equipment used to manage distribution circuits, including automated switches, fault indicators, capacitor banks, voltage regulators, and other power management devices. The IEC 61850 DER information model standard utilizes existing IEC 61850-7-4 logical nodes where possible, while defining DER and DA specific logical nodes to provide the necessary data objects for DER and DA functions, including for the DER interconnection grid codes specified by various countries and regions. Although this document explicitly addresses distribution-connected resources, most of the resource capabilities, operational functions, and architectures are also applicable to transmission-connected resources. […]

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PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
20 FOREWORD
21 Tables
Table 1 – Tracking information of IEC 61850-7-420:2019A namespace building-up
23 INTRODUCTION
25 1 Scope
1.1 General
1.2 Published versions of this standard and related namespace name
1.3 Data model Namespace name and version
Table 2 – Reference between published versions of the standardand related namespace name
26 1.4 Data model Namespace Code Component distribution
Table 3 – Attributes of IEC 61850-7-420:2019A namespace
27 1.5 Changes from IEC 61850-7-420:2009 (Edition 1)
1.6 IEC 61850-7-420 versus IEC 61850-7-520
1.7 Terminology due to historical usage of terms
28 2 Normative references
3 Terms, definitions and abbreviated terms and acronyms
3.1 Terms and definitions
37 3.2 Generic abbreviations
38 3.3 Abbreviated terms
Table 4 – Generic acronyms and abbreviations
39 Table 5 – Normative abbreviations for data object names
40 Table 6 – Normative abbreviations for data object names
51 4 Concepts and constructs for managing DERs
4.1 Hierarchical concepts for DER facilities and plants
4.1.1 DER stakeholders
52 4.1.2 Conceptual DER hierarchical architecture
53 Figures
Figure 1 – Conceptual hierarchical architecture ofDER information interactions with other entities
54 4.1.3 DER information capabilities
56 4.1.4 Concept of a recursive model for the term “DER”
4.2 DER generic model and its components
4.2.1 General
4.2.2 Editorial rules
Figure 2 – Recursive composition of DERs
57 4.2.3 Main principles
Figure 3 – Graphical UML representation convention
58 Figure 4 – DER generic model: Comprised of 4 types of components
59 Figure 5 – DER generic model: Typical components main interactions (single level)
60 Figure 6 – DER generic model: Components main interactions (multiple levels)
Figure 7 – DER generic model: simplest interaction implementationin the case of a single source of controls
61 4.2.4 Power management model
63 Figure 8 – Power management situation 1: Handling multiple differential active power requests, compatible with the operational capacity of the resource
Figure 9 – Power management situation 2: Handling multiple differential active power requests, exceeding the operational capacity of the resource
64 Figure 10 – Power management situation 3: Handling competingmultiple total active power at ECP requests
Figure 11 – Power management situation 4: Combinationof situation 2 and situation 3
65 Figure 12 – Power management situation 5: Multiple competingactive power limiting request
Figure 13 – Power management situation 6: Combination of all situations
66 4.2.5 DEResourceLN class structure and composition model
67 Figure 14 – Example: Simple DER resource model ofa PV generating unit (instance & class)
68 Figure 15 – Hierarchical class model of DER resources – basic principles
69 Figure 16 – DER composition model principles
70 Figure 17 – Impacts of composition requirements on the DER class model
71 Figure 18 – Needed association to express DER generic capabilities
72 Figure 19 – Exposing the generic interfaces of a mixed DER
73 Figure 20 – Exposing the generic interfaces ofa storage DER (battery storage as example)
74 Figure 21 – Typical LN Mapping in case of an EESS resultingfrom the aggregation of two battery units
Figure 22 – Full LN Mapping in case of an EESS resultingfrom the aggregation of two battery units
75 Figure 23 – Other typical LN Mapping in case of an EESS resultingfrom the aggregation of two battery units
76 Figure 24 – Example of modelling two breakdowns of the same set of resources(first controllable, second not controllable)
Figure 25 – Example of sorting DER capabilities per type(first controllable, second not controllable)
77 Figure 26 – Example of modelling two breakdowns of the same set of resources(first renewable, second not renewable)
78 Figure 27 – Example of combining composition and equivalency of resources
79 Figure 28 – Principles which should guide the extensionsfor supporting other types of energies
80 4.2.6 Common properties of DER as resource class
Figure 29 – Principles of the hierarchical class resource model of DER resourceswith examples of specific DER types at the lowest level
82 Figure 30 – Producer and Consumer Reference Frame conventions
Table 7 – Producer Reference Frame (PRF)conventions
83 Figure 31 – Power factor sign conventions in the Producer Reference Frame (PRF)
Table 8 – Consumer Reference Frame (CRF) conventions
84 Figure 32 – Power factor sign conventions in the Consumer Reference Frame (CRF)
85 Figure 33 – Working areas for DER
87 Figure 34 – Example of voltage offsets (VRefOfs) with respectto the reference voltage (VRef) (often the PCC)
Figure 35 – Implementation example of voltage offsets (VRefOfs) on a generator supporting a V-var operational function with respect to the reference voltage (VRef)
88 4.2.7 DER electrical connection point (ECP) model
89 Figure 36 – Concept of DERs (coloured circles), electrical connection points (ECP),and the Referenced ECP as a pointer
91 Figure 37 – ECP LN class model, including ECPs, PCCs, and virtual ECPs
92 Figure 38 – Relationships between ECPs and DER resources
93 Figure 39 – ECP connection type
Table 9 – Literals of ECPConnKind
94 4.2.8 DER operational functions model
4.3 Interaction mechanisms between DER components
4.3.1 Handling of computed setpoints
4.3.2 Interaction between a DEResourceLN and its component LNs
95 4.3.3 Interactions between power management function LN and operational functions LN
Figure 40 – Interactions between a DER and its components (example)
96 Figure 41 – “Spatial” interactions between an operational function and the power management function in case of setting a (maximum) limit at ECP (example)
97 Figure 42 – “Temporal” interactions between an operational function and the power management function in case of setting a (maximum) limit at ECP(example)
98 Figure 43 – “Spatial” interactions between an operational function and the power management function in case of setting a setpoint at ECP (example)
Figure 44 – “Temporal” interactions between an operational function and the power management function in case of setting a setpoint at ECP (example)
99 Figure 45 – “Spatial” interactions between an operational function and the power management function in case of setting a differential setpoint (example)
100 Figure 46 – “Temporal” interactions between an operational function and the power management function in case of setting a differential setpoint (example)
101 Figure 47 – Scheduling modelling principles and main associations
102 Figure 48 – Principle of integration of scheduled energy behaviour (example)
104 4.3.4 Interactions between power management function LN and the resource LN – case of multiple layered resources
Figure 49 – Example of interaction between operationalfunctions and power management functions with layered DERs
105 4.3.5 Interactions between ECP LN and LNs related to ECP (measurements, ECP status, etc.)
4.3.6 Interactions between equivalent representations of a same resource
Figure 50 – A single DPMC instance controlling multiple DEResources
106 Table 10 – Example of interactions impacts between equivalent resources
107 5 State machine and capabilities of different types of DERs
5.1 General
5.2 DER generic state machine for connecting DER at its ECP
5.2.1 General
5.2.2 Diagram of the generic DER state machine
108 Figure 51 – generic DER state machine
109 5.2.3 DERStateKind enumeration
Figure 52 – Definitions of logic connections applying to the generic DER state machine
110 5.2.4 DERStateTransitionKind enumeration
Table 11 – Literals of DERStateKind
Table 12 – Literals of DERStateTransitionKind
111 5.2.5 DER Testing capabilities
Figure 53 – DER Test typical sequence
112 5.3 LNs related to generation
5.3.1 Generic DER generator LNs
113 5.3.2 DER reciprocating (diesel) engine LNs
Figure 54 – Generator DER abstract LNs structure overview
114 5.3.3 Fuel cell LNs
115 5.3.4 Photovoltaic LNs
116 Figure 55 – Example of one-line diagram of an interconnected PV system
117 Figure 56 – Schematic diagram of a large PV installationwith two arrays of several sub-arrays
119 5.3.5 Combined Heat and Power LNs
Figure 57 – CHP based on fuel cell systems
120 Figure 58 – CHP based on internal combustion
121 Figure 59 – CHP unit includes both domestic hot water and heating loops
Figure 60 – CHP unit includes domestic hot water with 2 storage tanks and 2 heating elements
Figure 61 – CHP unit includes domestic hot water with 1 storage tank and 2 heating elements
122 5.3.6 DER fuel system LNs
123 5.3.7 DER excitation LNs
5.3.8 DER inverter LNs
Figure 62 – Inverter / converter configuration
124 5.4 LNs related to storage
5.4.1 EESS description
Figure 63 – Classification of electrical energy storage systems accordingto energy form. IEC-WP [IEC White Paper Electrical Energy Storage:2011])
125 5.4.2 Functional requirements of EESSs
5.4.3 EESSs participating in grid operations as a DER system
Figure 64 – Different uses of electrical energy storage in grids,depending on the frequency and duration of use
127 Figure 65 – Storage DER abstract LNs structure overview
Figure 66 – A simple energy storage system
128 5.4.4 Definitions of the capacity and the state of charge of an EESS
Figure 67 – A more complex energy storage system
129 5.5 LNs related to loads
Figure 68 – EESS state of charge: effective and usable capacities and states of charge reflected using the IEC 618650 model naming conventions
130 5.6 Measurement extension functions
5.7 Financial-related LNs
5.7.1 DER cost LNs
Figure 69 – Load DER abstract LNs structure overview
131 5.7.2 Pricing-related LNs
6 Operational Functions (including Grid Codes functions)
6.1 General
6.2 Overview of Logical Nodes for Operational Functions
132 6.3 Main modelling principles
6.3.1 Benefits of operational functions to manage DER
Figure 70 – Overview of Logical Nodes for Operational Functions
133 6.3.2 Operational function enabling/disabling (Mod)
Figure 71 – Example of operational functions associated with different ECPs
134 6.3.3 DER autonomous behavior enabled by operational functions
6.3.4 Priority, Ideal, Max, Min management between operational functions
136 6.3.5 Operational functions operating at a given ECP
6.3.6 Different ways to describe operational function curves
6.3.7 Percentages as size-neutral parameters
137 6.3.8 Hysteresis within operational functions
138 Figure 72 – Example of sloped hysteresis in V-var curve
Figure 73 – Example of single value hysteresis in frequency-active power function
139 6.3.9 Typical digital signal processing to support operational functions
Figure 74 – Local function block diagram
Figure 75 – Time domain response of first order low pass filter
140 6.3.10 Ramp rate upon enabling an operational function
6.3.11 Randomized response times upon enabling an operational function
6.3.12 Timeout period
6.3.13 Multiple usages of a same operational function
141 6.3.14 Multiple operational functions
6.3.15 Uncertainty of requests from external stakeholders for operational functions
6.3.16 Expected responses to operational functions versus actual values from direct commands
142 6.4 Cease-to-Energize operational function and its interaction with the power management function
143 Figure 76 – Statechart Diagram: Cease-to-energize state machine
144 Figure 77 – Example of interactions between the handler of the Cease-to-Energize request (LN DCTE), the power management function and the DEResourceLN
145 6.5 Voltage Ride-Through operational function
6.5.1 General
Figure 78 – Possible sequence of steps of the DCTE state machine and the DER energy behavior in case of a Cease-to-energize event
146 6.5.2 European and North American voltage ride-through functions
Figure 79 – European voltage ride-through curve
147 Figure 80 – IEEE 1547:2018/AMD1:2020 diagram illustratingthe different voltage ride-through profiles
Table 13 – Voltage ride-through boundary curves
148 6.5.3 LN DHVT and DLVT: Voltage ride-through
149 6.6 Frequency Ride-Through operational function
6.6.1 General
6.6.2 North American frequency ride-through
Figure 81 – Voltage protection LNs (extracted from IEC 61850-7-4:2010/AMD1:2020)
150 6.6.3 LN DHFT and DLFT: Frequency Ride-Through
Figure 82 – Example of frequency ride-through profile
151 6.7 Frequency-Active Power operational functions
6.7.1 Overview of Frequency-Active Power functions
Figure 83 – Frequency protection LNs (extracted from IEC 61850-7-4:2010/AMD1:2020)
152 Figure 84 – Active power frequency response capabilityof power-generating modules in LFSM-O (ref: RfG)
153 Figure 85 – Maximum power capability reduction with falling frequency (ref: RfG)
Figure 86 – Active power frequency response capabilityof power-generating modules in LFSM-U (ref: RfG)
154 Figure 87 – Active power frequency response capability of power-generating modules in FSM illustrating the case of zero deadband and insensitivity (ref: RfG)
155 Figure 88 – For Zone 1 frequency sensitivity, potential useof WMax to determine the gradient
156 Figure 89 – Frequency droop curve from IEEE 1547
157 Figure 90 – Frequency-active power constrained by static boundary: DER to remain within the boundaries of frequency-active power curves
159 Figure 91 – For Zone 1, potential use of WMax or WRef to determine the gradient
160 Figure 92 – For Zone 1, use of Frequency-Active Power: frequency slope (WGra) established by P2 and P3, starting from WRef at the snapshot frequency (HzStr)
161 Figure 93 – For Zone 2, use of Frequency-Active Power: slope (DLFW.WGra) established by P1 and P6, but starting from WRef at the snapshot frequency (DLFW.HzStr)
Figure 94 – Use of Frequency-Active Power: DER also operating in Zone 3 (charging/consuming)
162 Figure 95 – Use of Frequency-Active Power: For DER with consuming capabilities,the same concepts apply in Zones 3 and 4
163 Figure 96 – Example of hysteresis in Zone 1
164 6.7.2 LN DHFW: High Frequency-Active Power operational function
Figure 97 – Example of multiple gradients and hysteresis in Zones 1 and 3
165 6.7.3 LN DLFW: Low Frequency-Active Power operational function
6.8 Active power operational functions
6.8.1 LN DVWC: Voltage-Active Power (V-W) operational function
Figure 98 – Examples of V-W requirements
166 6.8.2 LN DWGC: Set Active Power for generating or consuming operational function
6.8.3 LN DWFL: Active Power Following operational function
Figure 99 – Example of V-W curve: stay within bounds (SnptBarEna = false),but do not necessarily go to boundary
167 Figure 100 – Active Power Load Following
Figure 101 – Active Power Following of Generation
168 6.8.4 LN DAGC: Automatic Generation Control (AGC) operational function
Figure 102 – Active Power Following of Generation without a threshold
Figure 103 – Active Power Following of Generationwith percent compensation less than 100 %
169 6.8.5 LN DTCD: Coordinated Charge/Discharge operational function
6.8.6 LN DWMX: Limit Maximum Active Power operational function
Figure 104 – Coordinated Charge/Discharge
170 6.8.7 LN DWMN: Limit Minimum Active Power operational function
6.9 Power factor operational functions
6.9.1 General
6.9.2 LN DFPF: Set Fixed Power Factor operational function
Figure 105 – Example of P-Q capability curve (P: active power;Q: reactive power; S: apparent power)
171 6.10 Reactive power operational functions
6.10.1 General
6.10.2 LN DVVR: Voltage-Reactive Power (V-var) operational function
172 Figure 106 – Example Voltage–Reactive Power characteristics
Figure 107 – Example of volt-var curve with hysteresis,arrows indicating direction of voltage changes
173 Figure 108 – Voltage-Reactive Power operational function with single slope
174 6.10.3 LN DVAR: Constant Reactive Power operational function
Figure 109 – Voltage-Reactive Power operational function with deadband
Figure 110 – Constant Reactive Power operational function
175 6.10.4 LN DWVR: Active Power–Reactive Power (W-Var) operational function
Figure 111 – Examples of different Q(P) requirements
176 6.10.5 LN DRGS: Dynamic Reactive Current Support operational function
Figure 112 – Example Active Power–Reactive Power curve
177 Figure 113 – Basic concepts of the Dynamic Reactive Current Support function
Figure 114 – Calculation of delta voltage over the filter time window
178 Figure 115 – Activation zones for Dynamic Reactive Current Support
179 Figure 116 – Alternative gradient behaviour, selected by ArGraMod
180 Figure 117 – Settings to define a blocking zone
181 Annex A (normative)Data model
A.1 Global overview
182 Figure A.1 – Global overview of LNs included in this document
183 A.2 Reminder of the main IEC 61850-7-4 abstract classes used in this document and other rules
Figure A.2 – Main IEC 61850-7-4 abstract classes used in this document
184 A.3 Namespace data model
A.3.1 Logical node classes for distributed energy resources (LogicalNodes_7_420_DER)
Table A.1 – List of classes defined in LogicalNodes_7_420_DER package
187 Figure A.3 – Class diagram AbstractLNs_7_420::DER related Abstract LNs of 61850-7-420 (1)
188 Figure A.4 – Class diagram AbstractLNs_7_420::DER related Abstract LNs of 61850-7-420 (2)
Table A.2 – List of classes defined in AbstractLNs_7_420 package
190 Table A.3 – List of classes defined in AbstractDerLNs_7_420 package
Table A.4 – Data objects of AllEnergyDEResourceLN
191 Table A.5 – Data objects of DER_NameplateRatingsLN
192 Table A.6 – Data objects of DER_StateAbstractLN
194 Table A.7 – Data objects of DER_ActualPowerInformationLN
Table A.8 – Data objects of DER_OperationalSettingsLN
195 Table A.9 – Data objects of NonStorageOperationalSettingsLN
197 Table A.10 – List of classes defined in AbstractEcpLNs_7_420 package
Table A.11 – Data objects of ElectricalReferenceLN
198 Table A.12 – Data objects of PhysicalElectricalConnectionPointLN
199 Table A.13 – Data objects of VirtualElectricalReferenceLN
Table A.14 – List of classes defined in AbstractGenLNs_7_420 package
200 Table A.15 – Data objects of DER_GeneratorLN
201 Table A.16 – Data objects of GeneratorNameplateRatingsLN
202 Table A.17 – List of classes defined in AbstractStoLNs_7_420 package
203 Table A.18 – Data objects of StorageOperationalSettingsLN
205 Table A.19 – Data objects of StorageNameplateRatingsLN
207 Table A.20 – Data objects of DER_StorageLN
208 Table A.21 – List of classes defined in AbstractLodLNs_7_420 package
209 Table A.22 – Data objects of LoadNameplateRatingsLN
Table A.23 – List of classes defined in AbstractOtherLNs_7_420 package
210 Table A.24 – Data objects of DERConverterLN
211 Figure A.5 – Class diagram ECP_LNs::ECP_related_Logical_Nodes
212 Table A.25 – List of classes defined in ECP_LNs package
Table A.26 – Data objects of DECP
215 Table A.27 – Data objects of DPCC
218 Table A.28 – Data objects of DVER
221 Figure A.6 – Class diagram DERPowerManagementLN::DER Power Management LN
222 Table A.29 – List of classes defined in DERPowerManagementLN package
Table A.30 – Data objects of DPMC
227 Figure A.7 – Class diagram DERMixedLNs::Mixed DER Logical Nodes
Table A.31 – List of classes defined in DERMixedLNs package
228 Table A.32 – Data objects of DMDR
234 Figure A.8 – Class diagram DERGeneratorLNs::DER Generators Logical Nodes
Table A.33 – List of classes defined in DERGeneratorLNs package
235 Table A.34 – Data objects of DGEN
245 Figure A.9 – Class diagram DERStorageLNs::DER Storage Logical Nodes
246 Table A.35 – List of classes defined in DERStorageLNs package
Table A.36 – Data objects of DSTO
258 Figure A.10 – Class diagram DERLoadLNs::DER Load Logical Nodes
259 Table A.37 – List of classes defined in DERLoadLNs package
Table A.38 – Data objects of DLOD
267 Figure A.11 – Class diagram Battery_LNs::Battery_LNs
268 Table A.39 – List of classes defined in Battery_LNs package
Table A.40 – Data objects of SBAT
272 Table A.41 – Data objects of DBAT
276 Figure A.12 – Class diagram PhotovoltaicLNs::Photovoltaic Logical Nodes
277 Table A.42 – List of classes defined in PhotovoltaicLNs package
Table A.43 – Data objects of DPVA
280 Table A.44 – Data objects of DPVM
282 Table A.45 – Data objects of DPVC
285 Table A.46 – Data objects of DTRC
288 Figure A.13 – Class diagram ReciprocatingEngineLNs::Reciprocating Engine Logical Nodes
289 Table A.47 – List of classes defined in ReciprocatingEngineLNs package
Table A.48 – Data objects of DCIP
293 Figure A.14 – Class diagram FuelCellLNs::DER Fuel Cell_Logical Nodes
294 Table A.49 – List of classes defined in FuelCellLNs package
Table A.50 – Data objects of DFCL
297 Table A.51 – Data objects of DSTK
299 Table A.52 – Data objects of DFPM
301 Figure A.15 – Class diagram FuelSystemLNs::Fuel System Logical Nodes
302 Table A.53 – List of classes defined in FuelSystemLNs package
Table A.54 – Data objects of KFUL
304 Table A.55 – Data objects of KFLV
307 Figure A.16 – Class diagram CHP_LNs::Combined Heat and Power Logical Nodes
Table A.56 – List of classes defined in CHP_LNs package
308 Table A.57 – Data objects of DCHC
311 Table A.58 – Data objects of DCTS
313 Table A.59 – Data objects of DCHB
315 Figure A.17 – Class diagram DERExcitationLNs::DER Excitation Logical Node
316 Table A.60 – List of classes defined in DERExcitationLNs package
Table A.61 – Data objects of DEXC
319 Figure A.18 – Class diagram DERInverterLNs::DER Inverter Logical Nodes
320 Table A.62 – List of classes defined in DERInverterLNs package
Table A.63 – Data objects of DINV
324 Table A.64 – Data objects of DRTF
327 Table A.65 – Data objects of SINV
329 Figure A.19 – Class diagram DERFinancialLNs_7_420::DERFinancialLNs_7_420
Table A.66 – List of classes defined in DERFinancialLNs_7_420 package
330 Table A.67 – Data objects of DCCT
332 Table A.68 – Data objects of DCST
334 Figure A.20 – Class diagram MeasurementExtLN::Measurement LN extensions
335 Table A.69 – List of classes defined in MeasurementExtLN package
Table A.70 – Data objects of MMETExt
338 Table A.71 – Data objects of MMXUExt
341 A.3.2 DER Operational functions (LogicalNodes_7_420_Operational_Functions)
342 Table A.72 – List of classes defined in LogicalNodes_7_420_Operational_Functions package
344 Figure A.21 – Class diagram Overview_Operational_Functions::DER operational functions LNs overview
345 Figure A.22 – Class diagram AbstractLNs7_420_Operational_Functions::Abstract operational functions LNs overview
346 Table A.73 – List of classes defined in AbstractLNs7_420_Operational_Functions package
Table A.74 – List of classes defined in AbstractLNs7_420_Op_Functions package
347 Table A.75 – Data objects of LowPassFilterOnFunctionInputLN
Table A.76 – Data objects of LowPassFilterOnFunctionOutputLN
348 Table A.77 – Data objects of ElectricalContextReferenceLN
Table A.78 – Data objects of OperationalFunctionLN
349 Table A.79 – Data objects of RampRatesLN
350 Table A.80 – Data objects of ActivePowerLN
351 Table A.81 – List of classes defined in AbstractLNs7_420GridCodeModes package
Table A.82 – Data objects of HysteresisSnapshotLN
353 Table A.83 – Data objects of FrequencyActivePowerLN
354 Table A.84 – Data objects of RideThroughLN
355 Table A.85 – Data objects of ReactivePowerLN
356 Figure A.23 – Class diagram CeasetoEnergizeLN::Ceaze to Energize LNs
Table A.86 – List of classes defined in CeasetoEnergizeLN package
357 Table A.87 – Data objects of DCTE
361 Figure A.24 – Class diagram Voltage_Ride-ThroughLNs::Voltage ride-through LNs
Table A.88 – List of classes defined in Voltage_Ride-ThroughLNs package
362 Table A.89 – Data objects of DHVT
365 Table A.90 – Data objects of DLVT
369 Figure A.25 – Class diagram Frequency_Ride-ThroughLNs::Frequency ride-through LNs
Table A.91 – List of classes defined in Frequency_Ride-ThroughLNs package
370 Table A.92 – Data objects of DHFT
374 Table A.93 – Data objects of DLFT
377 Figure A.26 – Class diagram Frequency-ActivePowerLNs::Frequency vs active power LNs
378 Table A.94 – List of classes defined in Frequency-ActivePowerLNs package
Table A.95 – Data objects of DHFW
385 Table A.96 – Data objects of DLFW
391 Figure A.27 – Class diagram ActivePowerLNs::Active Power LNs
392 Table A.97 – List of classes defined in ActivePowerLNs package
393 Table A.98 – Data objects of DAGC
398 Table A.99 – Data objects of DTCD
403 Table A.100 – Data objects of DVWC
409 Table A.101 – Data objects of DWFL
414 Table A.102 – Data objects of DWGC
419 Table A.103 – Data objects of DWMN
423 Table A.104 – Data objects of DWMX
428 Figure A.28 – Class diagram PowerFactorLNs::Power Factor LNs
Table A.105 – List of classes defined in PowerFactorLNs package
429 Table A.106 – Data objects of DFPF
434 Figure A.29 – Class diagram ReactivePowerLNs::Reactive Power LNs
435 Table A.107 – List of classes defined in ReactivePowerLNs package
Table A.108 – Data objects of DVVR
441 Table A.109 – Data objects of DVAR
446 Table A.110 – Data objects of DWVR
451 Table A.111 – Data objects of DRGS
456 A.3.3 Data semantics
Table A.112 – Attributes defined on classes of LogicalNodes_7_420 package
488 A.3.4 Enumerated data attribute types
489 Figure A.30 – Class diagram DOEnums_7_420::DOEnums_7_420
490 Figure A.31 – Class diagram DOEnums_7_420::DOEnums_7_420 – 2
491 Figure A.32 – Class diagram DOEnums_7_420::DOEnums_7_420 – 3
Table A.113 – List of classes defined in DOEnums_7_420 package
493 Table A.114 – Literals of ACSystemKind
Table A.115 – Literals of ACToDCConversionKind
Table A.116 – Literals of BatteryTypeKind
494 Table A.117 – Literals of BoilerKind
Table A.118 – Literals of CeasetoEnergizeStateKind
Table A.119 – Literals of CeasetoEnergizeStateTransitionKind
495 Table A.120 – Literals of ChargeSourceKind
Table A.121 – Literals of CHPEnergyConverterKind
Table A.122 – Literals of CHPGeneratorKind
496 Table A.123 – Literals of CHPOperatingModeKind
Table A.124 – Literals of CoolingMethodKind
Table A.125 – Literals of DERStateKind
497 Table A.126 – Literals of DERStateTransitionKind
498 Table A.127 – Literals of DERSynchronizationKind
Table A.128 – Literals of DERUnitKind
499 Table A.129 – Literals of ECPConnKind
Table A.130 – Literals of ECPIslandStateKind
500 Table A.131 – Literals of EquipmentTestResultKind
Table A.132 – Literals of ExciterKind
Table A.133 – Literals of FrequencyActivePowerRefParamKind
501 Table A.134 – Literals of FuelDeliveryKind
Table A.135 – Literals of FuelKind
502 Table A.136 – Literals of FuelProcessingInFuelKind
503 Table A.137 – Literals of FuelProcessingKind
Table A.138 – Literals of FuelProcessingOutFuelKind
Table A.139 – Literals of GroundingSystemKind
504 Table A.140 – Literals of InverterControlSourceKind
Table A.141 – Literals of InverterSwitchKind
Table A.142 – Literals of IsolationKind
505 Table A.143 – Literals of OutputFilterKind
Table A.144 – Literals of PhaseFeedKind
506 Table A.145 – Literals of PhaseKind
Table A.146 – Literals of PVArrayControlModeKind
Table A.147 – Literals of PVAssemblyKind
507 Table A.148 – Literals of PVConfigKind
Table A.149 – Literals of PVControlStateKind
Table A.150 – Literals of PVGroundingKind
508 Table A.151 – Literals of PVTrackingControlKind
Table A.152 – Literals of PVTrackingKind
509 Table A.153 – Literals of PVTrackingStatusKind
Table A.154 – Literals of PVTrackingTechnologyKind
Table A.155 – Literals of QuadrantRunningStateKind
510 Table A.156 – Literals of ReactivePowerRefParamKind
Table A.157 – Literals of ThermalEnergyMediumKind
511 Table A.158 – Literals of ThermalEnergyStorageKind
Table A.159 – Literals of VoltageRegulationKind
Table A.160 – Literals of WaveformConditioningKind
512 Table A.161 – Literals of VoltageActivePowerRefParamKind
513 Annex B (informative)DER hierarchy modelling rules and examples
B.1 Main principles application
B.1.1 General
B.1.2 Applying the DER composition modelling rules
B.1.3 Applying the DER class model
B.1.4 Exposing some DER properties through the generic interface
B.1.5 Applying the dynamic relationships between the core DER modelling elements
B.2 Examples
B.2.1 Global DER models applying to a campus of two buildings
514 Figure B.1 – Example of power management hierarchical interactions –architecture case
Figure B.2 – Example of power management hierarchical interactions – single DER power management architecture (focused on one sub-resource level “building 2”)
516 Figure B.3 – Example of power management hierarchical interactions –single DER power management architecture with insight on internal interactions (focused on one sub-resource level “building 2”)
517 Figure B.4 – Example of power management hierarchical interactions – “site” level
Figure B.5 – Example of power balancing on a mixed resource (generation and loads)
518 B.2.2 Example of modelling a composed DER made of (PV+BAT)+BAT on a single plant
Figure B.6 – Global DER modelling applying to a composed DER made of (PV+BAT)+BAT on a single plant
519 B.2.3 Global DER modelling applying to shared DER (30 %PV + 30 %BAT) and (70 %PV + 70 %BAT) on a single plant
Figure B.7 – Global DER modelling applying to shared DER (30 %PV + 30 %BAT) and (70 %PV + 70 %BAT) on a single plant
520 B.2.4 Mapping example in case of a complex storage installation
Figure B.8 – A simple electrical energy storage system
521 Figure B.9 – A more complex electrical mixed system, including storage –example of possible LN mapping
522 Annex C (normative)Backward compatibility with IEC 61850-7-420 Edition 1
Table C.1 – Compatibility assessment
Table C.2 – Compatibility tables
530 Annex D (informative)DER operational functions
D.1 List of DER mandatory grid codes
D.2 Table of DER functions
531 Table D.1 – DER functions and operational functions
538 D.3 Combining DER operational functions using the concepts of Ideal, Max, Min instantiations
539 Table D.2 – Ideal, Max, Min, & Priority of DTCD and DWFL over a day
541 D.4 Scheduling with Ideal, Max, Min
543 Annex E (informative)Examples of implementation to support Low Voltage ride through
E.1 Case of European grid codes
Figure E.1 – European low voltage ride through requirement (EN 50549-1)
Figure E.2 – Undervoltage curve one to support European low voltage ride through
544 Figure E.3 – Undervoltage curve two to support European low voltage ride through
Figure E.4 – LN mapping example to support Europeanlow voltage ride through requirements
545 E.2 Case of IEEE 1547 requirements
Table E.1 – IEEE 1547 shall trip requirements for DER category III
Table E.2 – IEEE 1547 voltage ride through requirements for DER category III
546 Figure E.5 – LN mapping example to support IEEE1547low voltage ride through requirements of DER category III
Table E.3 – LN instances for Voltage disturbances ofDER category III according to IEEE 1547
547 Figure E.6 – IEC 61850 model for IEEE 1547 voltage disturbances
548 Annex F (Informative)Handling of setpoints with IEC 61850-7-3 Ed 2.1 and Ed 2.2
F.1 Main features associated to setpoints
550 F.2 Main 61850 client-server modelling principles
F.3 Modelling rules for implementing computed setpoints
551 F.4 Implementing setpoints with Edition 2.1
Figure F.1 – (draft) Client/server interaction mechanismto handle setpoints based on IEC 61850-7-3 Ed 2.2
552 Figure F.2 – Client/server interaction mechanism to handle setpoints
553 Bibliography

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BS EN IEC 61850-7-420:2021
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