PBS-2000J Power Metering System

1. PBS-2000J Power Metering System NARI Group Corporation 2016.8

2. 1 System Structure 2 Technical Characteristics 3 System Functions 4 Applications of System

3. Proposed System Architecture of AMR

4. Master Station Hardware PBS 2000 System Master Station Hardware: • Application Servers • Database Servers with Disk Arrays • Data Acquisition Servers or Front End Servers • Workstations • Web Servers (if necessary) • Terminal Servers • GPS • Printers • Communication devices (switches & routers)

5. Private Network E1-LAN Dial Network Terminal Server RS-485 RS-232 Substation System with Terminal Server Proposed Acquisition way for Industrial consumers/ dispatching transformers • Acquisition Terminal • Meters are connected to Acquisi-tion terminals by RS-485 and communicate with master station through Acquisition terminals. • Terminal Server • Meters are connected to Terminal server through RS485 or RS232 and communicate with master station directly. Private Network E1-LAN Dial Network RS-485 Acquisition Terminal Substation System with Acquisition Terminal

6. Proposed Acquisition way for residential consumers • Meter with built-in GPRS module • Carrier Meter + PLC+ Concentrator • Meter+RS485 + Concentrator • Meter+RS485+Collector+PLC+Concentrator

7. Communication System • Network between Master Station and Acquisition devices • Telephone Network (PSTN) • Dispatch Data Network • GSM • GPRS/3G

8. 1 System Structure 2 Technical Characteristics 3 System Functions 4 Applications of System

9. Technology Principles • Reliability • Security • Adaptability • Real-Time Response • System Openness

10. Reliability • Multi-level Clustering architecture protect system to avoid single-point failure. • Cluster of OS • Cluster of Data Base • Cluster of Application Servers • Cluster of Application programs • Group of Front-end Data acquisition • Dual-network Structure

11. Clusterof the Application Programs works New Task Task Processing

12. Reliability Security Adaptability Real-Time Response System Openness Technology Principles

13. Application Security1、User authorization based on password and IP-MAC binding. 2、Application and Data authorization.3、Support HTTPS.4、Flow management for important operation

14. Data Security1、Broken-point transfer resumption. 2、Local buffering of Acquisition Servers.3、Encryption of original data.4、RAID5 of OS and HA redundancy of DB

15. Reliability Security Adaptability Real-Time Response System Openness Technology Principles

16. Full Java programming Support platforms:UNIX（AIX HP-UX）LINUXWINDOWSmixed platform

17. Adaptability • Most Graphical User Interface based on B/S structure

18. Adaptability Component-based architecture • Support EJB、XML、WEBSERVICE in accordance with future technology trend

19. Reliability Security Adaptability Real-Time Response System Openness Technology Principles

20. processing processing processing Message Dispatcher Event-driven Model Asynchronous Message processing

21. Reliability Security Adaptability Real-Time Response System Openness Technology Principles

22. System Openness System Model Based on IEC61970、IEC61968、SG-186 Standard ERP SG-186 61970 61968 61970 61968 DMS EMS CIM XML CIM XML Power Metering System DL698.41

23. System Openness • Modularized implementation of communication protocol, supporting • IEC60870-5-102 、IEC62056 (DLMS) 、 • IEC 61107 and EDMI Energy Meter terminal unit etc .

24. 1 System Structure 2 Technical Characteristics 3 System Functions 4 Applications of System

25. PBS-2000JSystem Functions Overview • Data acquisition • Data statistics • Data calculation • Data validation • Data analysis • Bypass substitution • Multi-data source management • Repot • System analysis • Data inquiry • Device management • Acquisition event management • Parameter input • System management • Security management • Security management

26. 1.Metering Data Acquisition • Collect metering data simultaneously from different plants and substations • Communication status monitoring and alarming • Multiple Acquisition servers, load-balancing and redundancy • Communication code display, communicationstatus statistic • Support broken-point transfer resumption and communication task automatic recovery • Modularized implementation of communication protocol, supporting IEC60870-5-102 、DLMS 、IEC 61107 and EDMI Energy Meter terminal unit etc .

27. 1 Metering Data Acquisition • Measuring Data： Power Consumption, Demand, Voltage, Current, Active and Reactive Power, Frequency, Phase Angle, Power Factor, etc. • Statistic Data: • Daily Extreme, Monthly Extreme, etc. • Event Records： • Change Time, Change Tariff, Change parameters, etc.

28. 1.Metering Data Acquisition Snapshot for Communication code display

29. 2.Metering Data Statistics • Statistics by year, season, month, week, day and hour • Statistics by categories ---power grids , regions ,substations & plants ,transmission lines and transformers . • Statistics by different voltage level ---500KV ,330KV,220KV,110KV and 35KV. • Statistics of the electricity input and output for power supply company. • User can define various periods as well as the start/end time

32. 3.Power Data Calculation • User-defined formula • User-defined integral period of formula • Automatic formula generation according to power grid model • All calculated data support statistical function • Historical section management for calculation formula supported

33. 4. Data Validation Integrity CheckRationality check Alarming service Data Re-Acquisition Data amendment Integrity check service Rationalitycheck service • Data exceed threshold • Unreasonable value • Large deviation comparingEMSdata • load exceed threshold • …… • Daily data • Month data • Curve data Data Processing

34. 5. Data Analysis 1)Automatic form calculation models of line loss、power balance and transformer loss 2)Loss calculation by area、plant、line and device Index 3)Statistics of loss/power balance by day、month and year 4)Calculation of loss/power balance in user-defined period Acquisition Data Statistic data、Calculation data

35. 6.Bypass Substitution 1)Bypass event auto-detect 2)Automatic and manual bypass substitution 3)Power balance calculation assistedbypass substitution judgment 4)Support cancellation and reverse recovery Auto Bypass Detect • Auto substitution • Manual Substitution

36. Data from EMS Data from subsidiary meter Forwarded Data … Data from the other endpoints of same line 7.Multi-Data Source Management 1)Support multiple data sources. 2)Automatic data replacement by priority or manual data replacement 3) data verification by multi-source data Substitution Verification Multi-data source

37. 8.Report

38. 9.System Analysis • List of fault terminal devices • List of fault terminal servers • List of fault meters • List of abnormal meter event • Bypass switching

39. 10. Data Inquiry • Primary and subsidiary meter data inquired separately • Flexible multi-level navigated inquiry mechanism • Detailed information integration • Calculation data inquiry organized by area, plant, substation, device

40. 10. Data inquiry

44. 11.Device Management Function • Change CT/PT • Replace meter • Meter’s parameter management

45. 12.Acquisition Event Management • Classified management of acquisition event (meter event, terminal event, channel event, substation event,etc) • Manage acquisition events by different level (information, alarm, fault) • Manage acquisition events by area , plant and substation • Flexible configuration of acquisition events

47. 13.Parameters Input • Parameter step-by-step input and display conform to IEC61970CIM structure • Clear structure and easy input • Many kinds of automatic generation functions helps generating relevant information and simplifying the typing work