IEC 61968-5 ED1 © IEC:2020 – 1 – 1 CONTENTS 2 3 FOREWORD ........................................................................................................................... 4 4 INTRODUCTION ..................................................................................................................... 6 5 Scope ..................................................................................................................................... 8 6 Normative references .............................................................................................................. 9 7 Terms, definitions and abbreviated terms .............................................................................. 10 8 3.1 Terms and definitions............................................................................................ 10 9 3.3 Abbreviated terms ................................................................................................. 10 10 Conventions .......................................................................................................................... 11 11 DER enterprise integration use cases ................................................................................... 11 12 5.1 General ................................................................................................................. 11 13 5.2 DER Group Creation ............................................................................................. 14 14 5.3 Maintenance of DERGroups .................................................................................. 19 15 5.4 DER Group Queries .............................................................................................. 23 16 5.5 DER Group Status Monitoring ............................................................................... 25 17 5.6 DER Group Forecast ............................................................................................. 26 18 5.7 DER Group Dispatch ............................................................................................. 29 19 5.8 DER Group Connect/Disconnect ........................................................................... 31 20 5.9 DER group capability discovery ............................................................................ 31 21 5.10 DER group voltage regulation function .................................................................. 32 22 Annex A (normative) Data Requirements for DERMS profiles ............................................... 33 23 A.1 DERGroups profile (constrained version) .............................................................. 33 24 A.2 DERGroups profile (unconstrained version) .......................................................... 34 25 A.3 DERGroupDispatches profile (constrained version) ............................................... 35 26 A.4 DERGroupDispatches profile (unconstrained version) ........................................... 35 27 A.5 DERGroupForecasts (Constrained) ....................................................................... 35 28 A.6 DERGroupForecasts (Unconstrained) ................................................................... 36 29 A.7 DERGroupStatuses profile .................................................................................... 36 30 A.8 EndDeviceControls ............................................................................................... 37 31 A.9 DERGroupQueries ................................................................................................ 37 32 A.10 DERGroupStatusQueries ...................................................................................... 37 33 A.11 DERGroupForecastqueries ................................................................................... 37 34 Annex B (Normative) Super Classes ...................................................................................... 38 35 B.1 CurveStyle class ................................................................................................... 38 36 B.2 DERCurveData class ............................................................................................ 38 37 B.3 DERFunction class ............................................................................................... 38 38 B.4 DERMonitorableParameter class .......................................................................... 39 39 B.5 DERNamePlate class ............................................................................................ 39 40 B.6 DispatchSchedule class ........................................................................................ 40 41 B.7 EndDevice class ................................................................................................... 40 42 B.8 EndDeviceGroup class .......................................................................................... 41 43 B.9 EndDeviceGroup (Constrained) for Dispatches and Forecasts .............................. 41 44 B.10 EndDeviceGroup (Unconstrained) for Dispatches and Forecasts ........................... 41 45 B.11 Names .................................................................................................................. 41 46 B.12 NameType ............................................................................................................ 42 47 B.13 NameTypeAuthority .............................................................................................. 42 – 2 – IEC FDIS 61968-5 © IEC:2020 48 B.14 Status class .......................................................................................................... 42 49 B.15 Version class ........................................................................................................ 42 50 Annex C (Normative) Enumerated Classes ............................................................................ 44 51 C.1 DERParameterKind enumeration class ................................................................. 44 52 C.2 DERUnitSymbol .................................................................................................... 44 53 C.3 FlowDirectionKind enumeration class .................................................................... 45 54 C.4 normalOperatingPerformanceCategory enumeration class .................................... 46 55 C.5 TimeIntervalKind enumeration class ...................................................................... 46 56 C.6 UnitMultiplier enumeration class ........................................................................... 46 57 58 Figure 1 – Architectural options for DERMS deployments ..................................................... 12 59 Figure 2 – Reference architecture, IEC TR 62357-1:2016 ..................................................... 13 60 Figure 3 – Example of simple radial feeder ........................................................................... 15 61 Figure 4 – Example of feeder with alternate substation ......................................................... 15 62 Figure 5 – Example of an interconnected distribution network ............................................... 16 63 Figure 6 – Common Information Model illustration ................................................................ 17 64 Figure 7 – Request/Reply message exchange pattern for the creation of a DERGroup .......... 18 65 Figure 8 – Notification message exchange pattern for the creation of a DERGroup ............... 19 66 Figure 9 – Message exchange patterns to support adding or modifying DERGroup 67 membership or capabilities, or deleting a group member ....................................................... 20 68 Figure 10 – Message exchange pattern reflecting deleting an entire DER group 69 (delete) ................................................................................................................................. 21 70 Figure 11 – Message exchange pattern to support querying a DER group ............................. 24 71 Figure 12 – Message exchange pattern for DER Group status monitoring (PULL) ................. 25 72 Figure 13 – Message exchange pattern for DER Group status monitoring (PUSH) ................ 26 73 Figure 14 – Example of points to represent battery storage group forecast ........................... 27 74 Figure 15 – Battery DER Group Availability Example ............................................................ 28 75 Figure 16 – Message exchange pattern for DER Group forecasting (PULL) .......................... 28 76 Figure 17 Message exchange pattern for DER Group forecasting (PUSH) ............................. 29 77 Figure 18 – Example Message exchange pattern for DER group dispatch ............................. 30 78 79 Table 0-1 – IEC 61968-5 Profiles ............................................................................................ 8 80 Table 0-2 – IEC 61968-9 Profiles ............................................................................................ 9 81 Table 3 – Document overview for IEC 61968-5 ....................................................................... 9 82 Table 4 – DER Grouping Functional Requirements ............................................................... 14 83 Table 5 – Example DER Group A membership before update ............................................... 21 84 Table 6 – Example DER Group A after adding a fourth member ............................................ 22 85 Table 7 – Example DER Group A membership after delete ..................................................