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SUBSTATION MODELING: PROTECTION AND AUTOMATION

SUBSTATION MODELING: PROTECTION AND AUTOMATION. JOEL MCDANIEL – SPRING TERM: 2014 SEMESTER PROJECT FOR ECE-544 SUPERVISORY CONTROL AND CRITICAL INFRASTRUCTURE SYSTEMS UNIVERSITY OF IDAHO – DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING. THIS PRESENTATION COVERS BASIC ASPECTS OF.

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SUBSTATION MODELING: PROTECTION AND AUTOMATION

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  1. SUBSTATION MODELING: PROTECTION AND AUTOMATION JOEL MCDANIEL – SPRING TERM: 2014 SEMESTER PROJECT FOR ECE-544 SUPERVISORY CONTROL AND CRITICAL INFRASTRUCTURE SYSTEMS UNIVERSITY OF IDAHO – DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING

  2. THIS PRESENTATION COVERS BASIC ASPECTS OF • POWER DISTRIBUTION SUBSTATION PHYSICAL LAYOUT • POWER SYSTEM MODELING • COMMON POWER SYSTEM STUDIES • HUMAN-MACHINE INTERFACE (HMI) STRUCTURE AND PURPOSE

  3. SUBSTATION COMPONENTS AND OPERATION • UTILITY SUPPLY • HIGH SIDE BREAKER WITH PROTECTIVE RELAY • TRANSFORMER WITH PROTECTIVE RELAY • LOW SIDE BREAKER WITH PROTECTIVE RELAY • 4.16kV BUS • FEEDER BREAKERS WITH PROTECTIVE RELAYS

  4. Single Line Diagram of Substation as Rendered by ETAP v 12.5 Power System Modeling Software

  5. POWER SYSTEM MODELING • WHY DO WE MODEL POWER SYSTEMS? • PLANNING • PARAMETER AND DATA ESTIMATION • EQUIPMENT EVALUATION • HOW DO WE MODEL POWER SYSTEMS? • HAND CALCULATIONS • MODELING SOFTWARE (ETAP, SKM, ASPEN, …..)

  6. COMMON POWER SYSTEM STUDIES • LOAD FLOW STUDY • WHAT IS LOAD FLOW? • HOW IS LOAD MEASURED? • END GOAL OF A LOAD FLOW STUDY? • SHORT CIRCUIT STUDY • WHAT IS SHORT CIRCUIT STUDY? • HOW IS SHORT CIRCUIT CURRENT DETERMINED? • HOW IS THIS INFORMATION USEFUL? • PROTECTIVE DEVICE COORDINATION • WHAT IS A PROTECTIVE DEVICE? • HOW AND WHY DO WE COORDINATE PROTECTIVE DEVICES?

  7. LOAD FLOW RESULTS(ONE-LINE DIAGRAM WITH LOAD FLOW RESULTS)

  8. SHORT CIRCUIT RESULTS(ONE-LINE DIAGRAM WITH SHORT CIRCUIT RESULTS)

  9. RELAY COORDINATION STUDYTIME CURRENT COORDINATION CURVES • TRANSFORMER PROTECTION AND THE 4.16kV MAIN BREAKER PROTECTION

  10. RELAY COORDINATION STUDYTIME CURRENT COORDINATION CURVES (Continued) • COORDINATION BETWEEN 4.16kV MAIN AND MOTOR FEEDER RELAY

  11. RELAY COORDINATION STUDYTIME CURRENT COORDINATION CURVES (Continued) • COORDINATION BETWEEN 4.16kV MAIN AND STATIC FEEDER RELAY

  12. RELAY COORDINATION STUDYTIME CURRENT COORDINATION CURVES (Continued) • GROUND FAULT COORDINATION

  13. RELAY COORDINATION STUDYTIME CURRENT COORDINATION CURVES (Continued) • NEUTRAL ELEMENT COORDINATION

  14. DEVICE COMMUNICATIONSUSING WONDERWARE INTOUCH HMI DEVELOPMENT SOFTWARE • WHAT IS HMI? • WHY DO WE USE HMI? • COMMUNICATION PROTOCOLS? • PROPRIETARY • MODBUS VIA ETHERNET • DNP-3 • WHAT ISSUES DRIVE THE DESIGN OF A PARTICULAR HMI?

  15. INTOUCH HMI SCREENS • BASIC 1-LINE VIEW OF POWER SYSTEM VIA HMI SCREEN

  16. INTOUCH HMI SCREENS(CONTINUED) • SAMPLE LOGIN SCREEN

  17. INTOUCH HMI SCREENS(CONTINUED) • ENTER USER CREDENTIALS • ACCESS LEVELS / PERMISSION MENU

  18. INTOUCH HMI SCREENS(CONTINUED) • LOGGED IN!! NOW LET’S GO TO WORK!

  19. INTOUCH HMI SCREENS(CONTINUED) • 1-LINE DIAGRAM – FROM HERE, THE USER CAN NAVIGATE/CONTROL THE SYSTEM AS NEEDED

  20. INTOUCH HMI SCREENS(CONTINUED) • HIGH SIDE CIRCUIT BREAKER AND PROTECTIVE RELAY

  21. INTOUCH HMI SCREENS(CONTINUED) • MAIN POWER TRANSFORMER DISPLAY – HIGH AND LOW SIDE CURRENTS

  22. INTOUCH HMI SCREENS(CONTINUED) • TRANSFORMER DIFFERENTIAL RELAY (SEL-387)

  23. INTOUCH HMI SCREENS(CONTINUED) • 4.16kV MAIN BREAKER AND ASSOCIATED PROTECTIVE RELAY (SEL-351S)

  24. INTOUCH HMI SCREENS(CONTINUED) • STATIC LOAD FEEDER AND PROTECTIVE RELAY (SEL-351S)

  25. INTOUCH HMI SCREENS(CONTINUED) • MOTOR FEEDER WITH SEL-710 MOTOR PROTECTION RELAY

  26. CONCLUSIONS • WHAT DID I LEARN? • BASIC HMI STRUCTURE • TOOLS FOR BUILDING HMI (WONDERWARE – IN TOUCH) • COMMON PROTOCOLS USED WHEN IMPLEMENTING HMI • COMMON PROBLEMS WHEN IMPLEMENTING HMI / SCADA SYSTEM

  27. THE END

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