Transmission and Distribution Technology Research Stem Meeting

1
Transmission and Distribution Technology Research
StemMeeting 10

• Committee Meeting
• Mount Hood, August 15-18, 2002

2
Agenda

• Continuation of the discussions from Meeting 9
• White paper participation
• Topic 1 Review of research projects and
  identification of new areas of interest
• Topic 2 Focused discussion of two areas of
  interest and 8 related projects

3
(discussions from meeting 9)

• Preparations for the Retreat

4
Possible topics/activities

• Contribution to the white paper
• Further refinement of the roadmap
• Coordination of on-going projects
• Prioritization of the research topics for new
  project proposals
• Discussion of some project management tasks
• - on-going project review
• - final project review
• Other initiatives
• - continuing education
• - industry site visits
• - university site visits
• - targeted funding
• Technology transfer
• Project management seminar

5
Itinerary

• August 16, 2002
• 200 330 White paper organization
• 400 530 White paper breakout groups
• August 17, 2002
• 1030-1215 Topic 1 Review of research
• projects and
  identification of new
• areas of interest
• 200 330 Topic 2 Focused discussion of
• two areas of
  interest and 8 related
• projects

6
Topic 1

• Review of research projects and identification
  of new areas of interest

7
On-going projects

• 1. "On-line peak loading..." Tylavski
• 2. "Differential GPS..." Heydt
• 3. "...Insulator flashover..." Karady
• 4. "Corona Discharge..." Karady
• 5. "..Graunding and Safety issues..." Olsen
• 6. "...Power acceptability Curves..." Heydt
• 7. "...Fuel Cell Operation..." Karady
• 8."...NCI.." Gorur
• 9. "....Fault Location..." Kezunovic
• 10. "....Wireless..." Kezunovic
• 12. " Enhanced State Estimation.." Abur
• 13. "Intelligent Substation" Shoureshi
• 14. " ...Enhanced Power Quality..." Meliopoulis

8
Newly approved projects

• 3. "...Enhanced Reliability..." Kezunovic
• 4. "...Automated Integration..." McCalley
• 5. " Smart Sensors..." Simoes
• 6. "Differential GPS..." Heydt
• 7.  "Microgrid.." Lasseter
• 8. "Voltage Dip..." Karady
• 9. "...NCI..." Gorur
• 12. "Detection..." Vittal

9
Research Roadmap

• I.  Substation Data Integration and
• Enhanced Functions
• II. Managing an Aging Infrastructure
• III. Distribution and Transmission
• Automation
• IV. New Devices and Related Control
• Concepts
• V. New Monitoring, Control and Protection
• Paradigms

10
Substation Data Integration and Enhanced Functions

•        Transformer loading 
•        Fault location and outage
• management
•        Automated analysis of data
• coming from DFRs and other IEDs
•        Power quality
•        New communication technique, e.g.
• wireless, etc.

11
Managing an Aging Infrastructure

•    Life assessment
•    Life extension
•    Upgrading and re-rating
•    Risk management and related maintenance
• strategies
•    Advanced diagnostics, monitoring and
• maintenance
•    Better understanding of failure and stress
• mechanisms
• Maximizing the utilization of the existing
• infrastructure

12
Distribution and Transmiss. Automation

•        EMS and DMS
•        Improved monitoring and diagnostics
•        Automated fault assessment and
• outage management
•        Advanced communication
• infrastructures for feeder automation
•        New DMS functions
•        Power quality assessment,quantification
• and mitigation
•        Load control

13
New Devices and Related Control Concepts

•        New fault current management (devices,
• strategies, and systems)
•        New power device concepts
•        Advanced power electronics devices
•        New sensors and related measurement
• system
•        Novel devices and controls for
  distributed
• resources
•        Electric storage devices and related
  control
• issues to meet varied business and system
• objectives

14
New Monitoring, Control and Protection Paradigms

•        Dynamic rating concepts
•        System-wide relaying and related
  coordination
• with control strategies
•        Integration of substation and feeder
• automation into EMS and DMS
•        Advanced tools for testing and evaluation
•        Customer focused energy delivery
• (energy needs from a customer prospective)
•        Innovative data mining and visualization
•   Interactive customer/supplier load
  control
• and protection

15
Topic 2 Focused discussion of research areas
related to the use IED data for maintenance and
other purposes
16
Areas of interest (Use of substation IED data)

• Substation Data Integration and Enhanced
  Functions
• - Automated analysis of data coming from DFRs
  and
• other IEDs
• - New communication technique, e.g.
  wireless, etc.
• Managing an Aging Infrastructure
• - Life assessment
• - Risk management and related maintenance
  strategies
• - Advanced diagnostics, monitoring and
  maintenance
• - Better understanding of failure and stress
  mechanisms
• - Maximizing the utilization of the existing
  infrastructure

17
Areas of interest (Use of substation IED
data),cont.

• Distribution and Transmission Automation
• - Improved monitoring and diagnostics
• - Automated fault assessment and outage
  management
• - Advanced communication infrastructures for
  feeder automation
• New Devices and Related Control Concepts
• - New sensor and related measurement system
• New Monitoring, Control and Protection
  Paradigms
• - Integration of substation and feeder
  automation into EMS and
• DMS
• - Innovative data mining and visualization

18
Discussion focus

• Benefits to the stem activity
• - assessing benefits of on-going projects
• - discovering areas that are not covered by
  the roadmap
• Benefits to the individual projects
• - avoid overlaps
• - identify synergies
• Benefits to the industry
• - understand better multidisciplinary issues
  involved
• - better future planning of new projects

19
Related projects

• Intelligent Substation (Shoureshi), ends in 03
• Enhanced Reliability of Power System Operation
• (Kezunovic), ends in 04
• Automated Integration of Condition Monitoring
• ( McCalley), ends in 04
• Smart sensor development (Shoureshi), ends in 03
• Risk-Based Maintenance Allocation and Scheduling
  (McCalley), ends in 03
• Use of Wireless communications and mobile agents
  (Kezunovic), ends in 02
• Enhanced State Estimation (Abur), ends in 02
• Accurate Fault Location (Kezunovic), ends in 02

20
Intelligent Substation (Shoureshi)

• Development of Virtual Sensors for
  transformers, through application of nonlinear
  observer design.
• Formulation of an on-line hierarchical predictive
  maintenance scheme, from equipment level to
  substation.
• Development of a portable diagnostic system for
  transformers.
• Field implementation using WAPA substations.

21
Enhanced Reliability of Power System Operation
(Kezunovic)

• Wireless communications
• Circuit breaker monitoring
• Gathering and processing substation data
• Using substation data for state estimation, fault
  location, switching sequences, etc.
• Comparing simulated data to the data recorded of
  in the field

22
Smart sensor development (Shoureshi)

• Development of an optical-based sensor for health
  assessment of high voltage oil-filled TD
  equipment.
• Applications of light absorption spectroscopy
  in conditioning of transformer oil, thereby
  identifying potential causes of failures.
• Fuzzy-based pattern matching for predictive
  failure detection identification.

23
Risk-Based Maintenance Allocation and Scheduling
(McCalley)

• Develop system-wide maintenance allocation and
  scheduling system based on integration of
  RCM-approach and optimized scheduling
• Apply to transmission-level transformers, lines
• Incorporate effects of equipment failures on
  system security into optimal maintenance
  allocation/scheduling
• Develop long-term simulator to compute cumulative
  risk associated with each maintainable component
• Relate maintenance tasks to failure rate
  reduction for transformers and lines
• Develop optimizer that selects and schedules
  maintenance tasks

24
Automated Integration of Condition Monitoring (
McCalley)

• Integrate substation condition-based monitoring
  for transmission-level transformers and circuit
  breakers with system-wide RCM-based maintenance
  allocation and optimal scheduling system
  (developed in another PSerc-funded project)
• Use condition monitoring info in estimating
  equipment failure rates
• Relate maintenance tasks to failure rate
  reduction for circuit breakers
• Use multiagent system software design approach to
  integrate substation data

25
Project properties

• Technologies
• Applications
• Techniques

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Technologies

• Fiber optic (sensors)
• Wireless communications (spread spectrum)
• Agent software (intelligent and mobile)
• Substation automation (IEDs and related
  communication protocols)

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Applications

• Measurements and processing with new sensors
• Substation data integration for monitoring and
  control
• Maintenance
• SCADA

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Techniques

• Intelligent techniques (fuzzy logic, expert
  systems, neural nets, etc)
• Advanced signal processing
• Condition-based maintenance
• Distributed processing
• Risk-based analysis

29
Questions about future research plans

• New sensors and data acquisition equipment
• - Project 4 relates to this area
• - are there any needs for development of
• additional sensors through PSerc
• New way of collecting substation data coming from
  IEDs
• - Project 2 covers wireless comm.
• - are there other comm. technologies of
  interest
• for PSerc research

30
Questions about future research plans

• New way of processing data relevant to
  maintenance
• - Project 3 covers condition-based
  maintenance and
• mobile agents
• - are there needs to explore other
  technologies/strategies and how
• all of this relates to legacy solutions
  (RCM)
• Maintenance strategies
• - Projects 1, 3, and 5 are talking about
  preventive,
• condition-based and just-in-time maintenance
• - How do the big picture and existing practice
  relate to
• what we are doing (or what needs to be done)
• Data Integration and Information exchange
• - Projects 1,2 and 3 are addressing this issue
• - How this issue relates to maintenance and
  what additional needs to
• be done

31
Conclusions

• Related to the stem research plans
• Related to the on-going projects
• Related to the industry interaction (involvement)
• Related to new projects or augmentation of the
  on-going projects