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«Computer-Aided Design System for Digital Substation based on open standards IEC 61850, 61131, 61499» T. Gorelik, O. Kiriyenko LLC EPSA RUSSIA.

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Presentation on theme: "«Computer-Aided Design System for Digital Substation based on open standards IEC 61850, 61131, 61499» T. Gorelik, O. Kiriyenko LLC EPSA RUSSIA."— Presentation transcript:

1 «Computer-Aided Design System for Digital Substation based on open standards IEC 61850, 61131, 61499» T. Gorelik, O. Kiriyenko LLC EPSA RUSSIA

2 CAD for Digital Substation motivation:
Installation of automation control systems for substations using conventional computer-aided design methods is complex time-consuming task which can hardly be unified. An introduction of new international standards (IEC 61850) and information technologies opens possibilities for new approaches to solve this task allowing creation of digital substations. The main particularity of IEC is that it regulates not only communication between individual devices but also substation, protection and automation device description

3 Design of digital and conventional substation comparison
Digital Substation Conventional Substation ICD file: Formal device description including services, tags (signals) and much more Device documentation in vendor specific form (PDF, DOC, etc.) SSD file: Specification including single line diagram with functions assigned Project documentation in conventional form (AutoCAD, Visio, etc.) SCD file: System configuration description Project bindings (cable list) CID file: File used to configure device in project Device parameters list

4 ICD SSD SCD SCL file contents X X*
Header (version, vendor, history, etc.) X Substation (single line diagram) X* IED (device description) Communication (IP and Ethernet addresses) Data Type Templates (device information model)

5 SCADA Studio – CAD for Digital Substations
SCADA Studio offers new approach for digital substation design based on IEC The first step is creation of substation single line diagram. Single line diagram should conform to IEC This format can be used as well to export CIM RDF. The second step is intended to select tasks which should be solved by IEDs (protection, control, interlocking, measurement, etc.) bound to elements of single line diagram. Tasks in IEC are logical nodes. In this case logical nodes are assigned to single line diagram elements. This step is finished by creation of SSD.

6 Digital Substations design steps
The third step is used to merge IEDs using ICD files provided by device vendors. Logical nodes assigned to single line diagram are linked to IED logical nodes. On this step main problem arises which prevents IEC usage for design. The problem is that many IED do not confirm to standard requirements in part of information model (IEC ,2,3,4).

7 Digital Substations design steps
The fourth step is devoted to algorithm creation (distributed logic). IEC or IEC can be used. IEC or it parts are commonly implemented in IED. IEC was designed to provide distributed logic description. IEC offers new approach to algorithm logic design: Event-driven evolution instead of cycle evaluation. Communication between blocks using events.

8 Digital Substations design steps
The fourth step is devoted to algorithm creation (distributed logic). IEC or IEC can be used. IEC or it parts are commonly implemented in IED. IEC was designed to provide distributed logic description. IEC offers new approach to algorithm logic design: Event-driven evolution instead of cycle evaluation. Communication between blocks using events.

9 Digital Substations design steps
The fifth step is devoted to digital substation modeling. Modeling process can be automated using IEC and IEC To simplify modeling CAD should be integrated with IEC device simulator. Simulator is software which takes ICD or CID as inputs and provides MMS, GOOSE or SV communication over Ethernet like physical (real device). Additionally simulators allow PLC logic simulation using IEC

10 SCADA Studio include several modules for digital substation design:
SCADA Studio modules SCADA Studio include several modules for digital substation design: ICD Manager (to create ICD files for IED vendors) SSD Editor (to create SSD files) SCL Editor (to create SCD files and export CID files) PLC logic editor based on IEC and OpenPLC)

11 Import and export of ICD files. ICD files version control.
ICDManager module ICD Manager – software to create device description. ICD Manager functions are: Import and export of ICD files. ICD files version control. Creation and editing logical nodes, data objects and data attributes; Creating and editing of control blocks (GOOSE, Reports and Sampled Values).

12 ICDManager manager screenshots

13 SSDEditor module SSD editor is used to create single line diagrams and assign functions to primary equipment which should solved by IED like protection, control, measurements and automation. SSD file has well defined form which can be analyzed by computer software.

14 SSDEditor screenshots

15 SCDEditor module 1. SCD Editor provides ICD database which holds all device description: 2. Devices can be merged to project from database:

16 Создание конфигурации объектов (SCDEditor)
3. SCDEditor provides tools to bind SSD logical nodes to IED 4. SCDEditor provides tools to describe GOOSE and SV exchange:

17 Extended function of SCADA Studio
PLC logic editor based on IEC and OpenPLC file format. Project testing using software simulator of IED. Export to external formats (MS Office, MS Visio, PDF, AutoCAD, etc.) and report creation tools.

18 IEC 61131 logic editor and debugger

19 Conclusion LLC EPSA has developed product which can be used in digital substation design – SCADA Studio. SCADA Studio can significantly simplify design and installation of automation control systems for substations . SCADA Studio is not vendor specific and is based on open standards. SCADA Studio provides not only design tools but also testing and modeling tools (PLC debugger and IED simulator).


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