IEC IECTR61850-7-510 Edition 2.0 2021-12 TECHNICAL REPORT colour inside INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.200 ISBN 978-2-8322-1062-2 Warning! Make sure that you obtained this publication from an authorized distributor. ? Registered trademark of the International Electrotechnical Commission - 2 - IEC TR 61850-7-510:2021 @ IEC 2021 FOREWORD INTRODUCTION .9 1 Scope. .10 2 Normative references 10 3 Terms and definitions 11 4 Overview 11 4.1 General.. 11 4.2 Target group 11 4.3 Hydro power domain .11 4.3.1 General . 11 4.3.2 Hydropower plant specific information 11 4.4 Thermal power domain.. 14 4.4.1 General . 14 4.4.2 Steam turbine power plant specific information .14 4.4.3 Gas turbine specific information. 15 4.4.4 Combinedcyclepowerplants 16 4.4.5 Coal-fired power plant specific information Process modelling ........... 5 5.1 Reference designation system ... .18 5.1.1 General. .18 5.1.2 Structuring principles and reference designation system. 5.1.3 Object ownership principle.. 5.1.4 .19 The concept of aspects... 5.1.5 The RDS-structure and classification .. .20 5.1.6 Example: Unit 2 main inlet valve with a bypass system.. .21 5.1.7 .21 The top node . 5.2 SCL modelling of the functional structure of a hydropower plant .23 5.3 Mapping the SCL Process structure to the reference designation system RDS.. 5.3.1 General ... 5.3.2 Hierarchical mapping of information.. ..25 5.3.3 Process object reference design considerations 5.3.4 Choice of logical node classes. .27 5.4 The Alpha Valley River System examples .27 5.4.1 Introduction .27 5.4.2 The Reservoirs . .29 5.4.3 Hydrometric. 31 SCL:DataType template modelling, 6 6.1 General... .34 6.2 LNodeType definition. .34 6.3 DOType definition 6.4 DAType and EnumType definition 6.5 Example using SLVL ..37 SCL:IED modelling 7 .37 7.1 General. 7.2 Linking the SCL:IED model to the SCL:process model - 3 - IEC TR 61850-7-510:2021 @ IEC 2021 7.3 Referencing the Logical Device. 7.4 SCL:Function element. Communication Modelling.. 8 ..39 8.1 .39 8.2 Communication structure in hydro power plants 8.2.1 General ..... ..41 8.2.2 Process bus level . .41 8.2.3 Station Bus.. .42 8.2.4 Enterprise Bus.. .42 8.3 Communication structure in thermal power plants .42 9 Modelling of controls .46 9.1 .46 General.. 9.2 Operational modes for hydropower plants ..46 9.3 Operational modes for thermal power plants .. .47 9.4 Fundamental control strategies for hydropower plants.. .47 9.5 Joint control modelling examples . .48 9.5.1 General .48 9.5.2 Joint control of active power ... 9.5.3 JointControlofReactivePower ..50 9.5.4 Joint Control of Water. ..52 9.6 Scheduling Example . .53 9.7 Example of application for an excitation system .54 9.7.1 General ... .54 9.7.2 Voltage regulation example . ..59 9.7.3 Pss example..... .61 9.8 Example of application for a turbine governor system 9.8.1 9.8.2 Signal hierarchy.. 9.8.3 Basic overview .. ...62 9.8.4 Detailed descriptionof usedIED structure. 9.9 Example of a braking system ... ..71 9.9.1 General ..... .71 9.9.2 Brake control with mandatory data objects in LN: HMBR.. .71 9.9.3 Brake control with process indications . Example of a heater system. 9.10 9.10.1 9.10.2 Example of a LN: KHTR usage ... ..73 9.11 Examples of how to reference a start / stop sequencer of a hydropower unit......73 9.11.1 General. .73 9.11.2 Unit sequences definition with IEC 61850 .... ..74 9.11.3 Start sequence from a state "stopped" to a state "speed no load not excited" (Sequence 1)......... .75 9.11.4 Start sequence from state "speed no load not excited" to state "synchronised" (Sequence 2)...... Stop sequence from state "synchronised" to state "speed no load not 9.11.5 excited" (sequence 3) ..... ...78 9.11.6 (Sequence 4)..... 9.11.7 (Sequence 5). .82