Application of IEC61850 in smart grid visualization, simulation and diagnosis

Transcription

1 Application of IEC61850 in smart grid visualization, simulation and diagnosis GRIDNT Inc Dr. Huimin Li

2 Automation, Informatization and smart application Smart Applications Network and communication based smart applications Informatization IEC61850 IEC61970/61968 IEC101/104 Automation Relay protection Transistor protection 2

3 Scope of IEC61850 NIST Smart Grid Framework 3

4 Smart Grid Investment in China Average $8 Billion annual investment in phase 3 Smart substation Phase one - Planning 2009~2010 Phase two - Build Phase three - Enhance New Construction Upgrade Source: 4

5 IEC61850 Core Introduction and overview Part 1 Configuration description language based on XML(SCL) Object oriented information modeling Interface for information exchange Part 8 Glossary Part 2 General requirements Part 3 System and project management Part 4 Communication requirements for functions and device models Part 5 Substation configuration language(scl) Part Principle and models 7-2 Abstract communication service interface(acsi) 7-3 Common data classes(cdc) 7-4 Compatible logical node classes and data classes Specific communication service mapping (MMS) Sampled values Precision time protocol Part 7 Part 9 Conformance testing Part 10 5

6 Information Model Relay1 XCBR1 MMXU1 ST CO MX DC Pos Pos A Phv 6

7 Information Interfaces 7

8 Substation Configuration Language Header Substation Communication Version,Revision, History Substation description including primary equipment and their connections, the automation and control target. It also associates the primary equipment to logical functions Defines IED s access points and their subnets IED Data Type Template Contains IEC configuration information including information model and information exchange Defines format of logical devices, logical nodes and data objects 8

9 SCL Object modeling 9

10 SCL files and engineering process 3 rd party ICD file ICD file SSD file System specification tool IED Configuration Tool SED file inetorg 人 Station control configuration tool System configuration tool SCD file IID file SED file Remote substation specification tool Station control application IED configuration tool CID file IEC61850V1.0 IEC61850V2.0 10

11 IEC61850 based substations Control Station Ethernet Metering Ethernet Gateway Ethernet Control Bus Bay Controller Protection Relay Fault Recorder RTU Ethernet Ethernet Ethernet Ethernet Legacy IED Process Bus Ethernet Protection Relay Ethernet Smart terminal A/D A/D Input DI DO Voltages and Currents Breaker Status Control Operations IEC61850 IED 11

12 Visualization, simulation and analysis Inputs Technologies Substation Configuration Description (SCD) SCD Smart Parsing Visualization Power System Simulation Big Data Real-time Analysis Smart Indexing and Correlation Analysis Real-time or playback Packets Smart Applications IED status information Simulator and Analyzer Configuration Management Integrated Simulation and Analysis Operation Monitoring 至控制中心 智能变电站仿真调试与分析仪 操作员工作站 配置工作站 Network Management Information 调度网关 IEC61850 站控层间隔控制间隔控制 IED A IED B IED C IED D 器器 IEC61850 过程层传统一次电子互感器智能一次电子互感器 12

13 Technical challenges Configuration parsing Typical configuration file for substation can be larger than 100MB Visualization Connectors and terminals become data packets in optical fiber network Big real-time data Data processing Data storage and indexing Days Bays Capacity Note GB 256B*80*50*24*60*60=88.473GB TB *30=2.654TB TB *30*7=18.578TB For sampled value data(>95% substation data), Assume a 9-2LE packet size is 256 Bytes, 80 sampled value per cycle. 13

14 Configuration parsing VTD-XML Load XML bytes into memory Record element details using Virtual Token Descriptor (VTDs) Navigate the XML using VTDs 14

15 Configuration parsing Data source: rk_2.3_parsing_only.html 15

16 Visualization 16

17 Visualization 17

18 Real-time big data processing High speed asynchronous data exchange bus Parallel processing in Kernel FPGA Processing 1 to n collectors Specific Data Storage solutions Data fast buffer and indexing engine Application support Application software Management and Application unit FPGA logical processing based on electrical power model Technical innovations Multi-core utilization and kernel optimization for fast data exchange Distributed processing infrastructure based on high speed asynchronous data exchange bus Efficient data storage and mining engine based on electrical model 18

19 Data storage and indexing Data root directory SV root directory Directory of unique identifier Time directory SVID1... SVIDn Time1... TimeN Key LevelDB Raw packets 1.pcap... n.pcap Value 19

20 Application integrated smart substation simulation and analysis 20

21 Integrated smart substation simulation Primary status Secondary responses 21

22 Application Portable smart substation testing tools To control center MMI Configuration Station Portable testing tools Gateway IEC61850 Station Layer Bay Controller IED A IED B Bay Controller IED C IED D IEC61850 Processing layer Legacy apparatus Electronic CT/PT Smart Apparatus Electronic CT/PT 22

23 Smart substation analysis interface 23

24 Future direction Big Data based integration platform Data analysis engine based on Spark Machine learning User interface service Data stream service Batch process service Integration service Data service Network security service Relay information system Condition monitoring Packet recording and analysis Operation management system Data model Distributed big data Data collectors 24