Realization of control center HMIs by using IEC and CIM data bases for communication and data handling
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1 Realization of control center HMIs by using IEC and CIM data bases for communication and data handling A. Naumann, Otto-von-Guericke-University, Magdeburg V. Kostenko, Delphin-Informatika, Moscow 1 12 th April 2011
2 The three pillars of Smart Distribution W2E HMI VPP operation Today Monday, 15. May 2011 Cost balancing group deviation 100 % 100 % 40 % 0.1 MWh VPP CC 100 % Peak load shaving 85 % 35% 100 % Peak power: 135,4 MW Total daily Energy: 1.546,3 MWh Balancing group deviation Daily total benefit: th April 2011
3 Data used for Smart Terminal application Data to communicate Status and control of isolating switch Measurement of voltage, current, active and reactive power Detection and communication of short circuits SC Static data Network topology Installed remote controllable switches and short circuit indicators Realization of self fixing capabilities 3 12 th April 2011
4 Data used for Smart Energy management Data to communicate Status of utilities and error indication Measurement of voltage, current, energy and power (active and reactive) Thermal power and energy, where available Setpoints for active and reactive power Control schedules Static data Utility parameters (elec. power, thermal power, bandwidth) Location and owner Efficiency and cost parameters Realization of optimized utility schedules 4 12 th April 2011
5 Data used for Smart Metering application Data to communicate Metered values Timestamp Current tariff Tariff schedule Static data Meter location and identification Customer data Reference profile for billing Realization of influence on user behaviour 5 12 th April 2011
6 Data flow in W2E VPP + - QVL VPP IEC Smart Terminals File transfer Smart Meter Control Center Web service Communication between system components according to IEC standards Modular concept allows extension of the system 6 12 th April 2011
7 Data flow in W2E Data collection in CIM data base Provision of Web Service interfaces, conform to IEC standards Meter Data User Portal Work station CIM Converter Internet RTU 7 12 th April 2011
8 Devices in the field Installation of remote terminal units Transmission of Metered and measured values Control center Status and control information for terminals Monitoring of transformers Control of decentralized generating units Implementation of IEC Stack on RTU RTU 8 12 th April 2011
9 Gateway: IEC CIM Conversion of IEC to IEC 61970/61968 and vice versa: Analysis of information models and the construction of relevant attributes of data Creating of the configuration files of field devices Creating RDF files of Electrical Network Creating description for static mapping of data in XML file 9 12 th April 2011
10 CIM data base Energy Management System API Described in standards for Energy Management System Application Program Interface Organized in packages and classes IEC IEC Modeled in UML Metering Customer th April 2011
11 CIM data base Representation of the electrical grid and its parameters by classes from the CIM model Example for metered values in CIM Some aspects need extension of the existing CIM model (PV, wind, batteries) Shown classes are contained in the Metering package th April 2011
12 CIM data base Mapping of object oriented CIM scheme to relational data base via persistence interface Implementation of session management and user authentification Web services as common interface Provision of WSDL file for client configuration Implementation of continous and user invoked processes Web Web services th April 2011
13 CIM data base Extension of standard CIM model, in spite of minimal modification to original model Usage of own packages Mapping to relational data base Identification of super classes Provision of primary key Associations via foreign keys and tabless Transformation to source code by appropriate SWtools Usage of several utilities like wrapper classes th April 2011
14 Human machine interface: W2E control center Realization of Smart Grid monitoring and control in W2E Control Center Relying on data from CIM data base Calculations and Grafics generation W2E Control center Web Service interface Implementation of calculation and graphic algorithms in W2E control center Presentation of medium voltage level substation state Presentation of Costumer tariffs and energy consumption th April 2011
15 Human machine interface: Screens of the W2E control center Screenshot of the Smart terminal view Screenshot of the Smart metering view (using simulated data) th April 2011
16 Human machine interface: User web site Provision of data about consumed energy and comparison to reference profile Information about low and high price time intervals Access via W2E web site Calculations and Grafics generation User Portal Web Service interface Stromkunde Hornweg th April 2011
17 Conclusions First experience regarding implementation of the 3 pillars is achieved in the lighthouse-project Web 2 Energy Data handling is realized according to the advanced standards IEC and IEC 61970/61968, also using extensions for project needs Implementation of the full data chain from field device to Human machine interface Customer information via web based user portal CIM data base as central information pool with open interface Implementation of further aspects during the next months Field testing with real system data th April 2011
18 Thank you for your attention! th April 2011
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