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CIGRÉ & Condition Monitoring
Terry KriegChairman of CIGRÉ SCB3 - Substations
IEEE – PES GENERAL MEETING28 July 2015
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Overview• Introduction• Big Picture Issues• CIGRÉ and Study Committee B3 – Substations• Grid Trends – Substations and Lines• Condition Monitoring – some basics• Making the most of it• The future power grid• Conclusions
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Introduction
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Qualifications BE Electrical, Honours (First Class)Graduate, Advanced Management Program, University of AdelaideGraduate, Australian Institute of Company Directors 2002
Affiliations Fellow Institute of Engineers, Australia (FIEAust), Professional Engineer - Professionals Australia, (Peng)Registered Professional Engineer (RPEQ)Endorsed Asset Management Assessor, BSi PAS-55, now ISO 55000Member Asset Management Council (UK) Chairman CIGRE Study Committee B3 since 2012
Experience 39 years in industry including utility executive managementExperience includes: Generation, Transmission, DistributionPresented more than 40 papers on condition monitoring, asset management and designSenior Manager and Asset Manager for T&D utilities 1995 – 2009.Consulting since 2009
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Safety
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Worlds largest, most complex machine
Source: NASA
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The BIG Picture
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World Energy Consumption, 1990-2035 (source: EIA)
(Quadrillion BTU)
OECD
Non-OECD
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Industry Productivity
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85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08Year
Electricity, Gas, Water and Waste Services Indexes
Labour Productivity
Capital Productivity
All industry - Multi
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Power Prices
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Source: Electricity Prices in Australia: An International Comparison – A Report to the Energy Users Association of Australia by CME March 2012
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Common Industry Problems
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Labour Productivity:• Labour costs• Increased levels of management• Skill shortages,• Resistance to change!• De-engineering of organisations, reducing innovationCapital Delivery:• (over) Regulation, industry unbundling and privatisation• Design standards & procurement options• We need to do more with less!
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Bushfires and other disasters
• Cost of Feb 2009 Victorian Bushfires 2009 -$4.4 Billion, 173 lives - source “The Age”, 1 August 2010
• Powerlines caused the worst of these fires –source VBRC
• Root cause of many of these power-line failures was poor design, poorly executed maintenance and monitoring – source Terry Krieg
• Conservative and $ driven utilities• Simple, proven technology available
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Source: Cisco
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Generation Y
• ‘Millennials’: born 1982 – 2004• Confident and tolerant – “Gen-me”• Sense of entitlement, ambitious, civic minded• Grew up with computers – connected world• Information hungry, social networking,
decision makers• They will be soon running the power grid!
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Who is CIGRÉ?
• Founded in Paris in 1921• Worldwide non-profit association. • Addresses issues related to the
development, operation and management of electric power systems
• Design, construction, maintenance and disposal of equipment and plants.
• 230 working groups, 3500 “experts”• Truly international: ≈8000 members
in 90 countries
Conseil International des Grands Réseaux ÉlectriquesInternational Council On Large Electric Systems
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CIGRE Technical Committee
SC C1 SystemDevelopment & Economics
SC C2 System Operation & Control
SC C3 System Environmental Performance
SC C4 System TechnicalPerformance
SC C5 Electricity Markets& Regulation
SC C6 Distributed Systems& Dispersed Generation
SC B1 Insulated CablesSC A1 Rotating ElectricalMachines
SC D1 Materials & Emerging Test Techniques
SC A2 Transformers
SC A3 High VoltageEquipment
SC B2 Overhead Lines
SC B3 Substations
SC B4 HVDC & PowerElectronics
SC B5 Protection &Automation
SC D2 Information Systems& Telecommunication
A : EQUIPMENT B : SUBSYSTEMS C : SYSTEM D : HORIZONTAL
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Study Committee B3 - Substations
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B3.44Substation servicing and supervision
using mobile devices and smart sensing
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SC B3 Global Membership
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Study Committee B3 Mission • To facilitate and promote the progress of engineering• International exchange of information and knowledge of
substations. • Add value to this information and knowledge by:
• Synthesizing state-of-the-art practices and • Developing recommendations and providing best practice.
Including:
• Design, construction, maintenance and ongoing management • Technical, economic, environmental and social aspects for
stakeholders• Increasing reliability and availability, cost effectiveness, reduced
environmental impact, effective asset management.• Requires effective relationships with other SC’s
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SC B3 – Study Subjects2016PS 1: Advancements in substation technology
GIS and GIL developments including new DC technologies Integrating Non-Conventional instrument transformers Integrating new materials and new technologies into substations
PS 2: Developments and new thinking in substation design Integrating IEC 61850 into existing substations Maximising substation availability Modular, pre-fabricated, fast deployment and off-shore substation solutions Adaption of substations to meet emerging grid requirements.
PS 3: Evolution in Substation Management Risk quantification and optimised asset decision making, substation economics,
maintenance management Customer and stakeholder interaction with design and life cycle management Substation asset performance, residual life, health and condition metrics Substation auxiliary and ancillary systems Knowledge management, design methodologies and training
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Brochures
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Brochures2010 - Combining Innovation with Standardisation 389
- Obtaining value from Substation Condition Monitoring 462- Cost Reductions of Air Insulated Substations 354- Pri/Sec system interface modelling for total asset optimization 472
2011 - Residual Life Concepts Applied to HV GIS 499- Mixed Technologies Switchgear MTS 390- SF6 Tightness Guide 430
2012 - Turnkey Substations 439- Tech. requirements for substations exceeding 800kV 400- Guidelines for uprating and upgrading of substations 532
2013 - Guidelines For The Design of AC Offshore W/F Substations 483- Field Tests for UHV Substations 562
2014 - SF6 Analysis for AIS, GIS and MTS Condition Assessment 567- Circuit Configuration Optimisation (JWG) 585- IT Strategies for AM of Substations – General Principles 576- Guide to Minimise SF6 during routine testing 594
2015 - Contracts for Outsourcing Utility Maintenance Work 607- AIS Design for Severe Climate Conditions 614- Special Considerations for Substations with DC conn. 612
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Events
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Tutorials1. Residual life aspects on GIS (Peter Glaubitz, WG B3.17)
2. Upgrading and uprating of substations (Akira Okada, WG 3.23)
3. Obtaining value from on-line monitoring (Arthur Mackrell, WG B3.12)
4. Standardization vs. innovation in substation design (Terry Krieg, B3.11)
5. Application Guidelines for Turn-Key Projects (Akira Okada, Gilles Tremouille)
6. Circuit Configuration Optimization (Gerd Lingner)
7. Responsible Use of SF6- Challenges and Options (Peter Glaubitz)
8. High Voltage Off Shore substations (John Finn, WG B3:26)
9. Special Considerations for AC Collector Systems and Substations associated with HVDC connected Wind Power (Douglas Ramsay B3:36)
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Grid Trends - Substations
• Improved high voltage plant design and methods
• Ultra high voltage (1200kV in India)• Smart Grids and even smarter substations• Higher use of IEC 61850 Station & Process
(compatible with OLCM technologies)
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Grid Trends - Substations
• Increasing stakeholder and customer awareness and influence in design
• More awareness of severe weather conditions – (climate change?)
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Grid Trends - Substations
• The use of robotics in substations• More risk management – coupled with
awareness of Asset Management – PAS 55 and ISO 55000.– On-line technologies continue to develop
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Grid Trends – Lines
• Improvements in plant technology• Developments in monitoring have been
slower (particularly Distribution systems)• Bushfire investigations highlighted the
importance of inspection and monitoring• Utilities are good at reactionary responses to
faults – more efficient but largely unchanged• Technologies are available to pre-empt issues.
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On-Line Monitoring
• Can be used for Lines and Substations• Can reduce the risk of unplanned failures• Detecting problems before they become faults• Provides information on condition when
maintenance frequencies reduced• Now a mature technology• There are still non-believers!• February 2009 Bushfires, April 2013…
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Obtaining the Benefits
• Aim for highest risk reduction but be realistic!• Use field proven technologies• Deal with knowledgeable “partners” / suppliers• Embed the monitoring into a risk based, asset
management approach• Invest in training for your people• Consider your IT systems – non-vendor specific• Forget the research projects!
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Taking hold of the future?
• Have a long term strategy– Have a reason for collecting data– Information for asset decision making.
• Monitoring system features or sensors– Look for quality sensors, trend-able and accurate
• IT systems– Web interface for easy access– Make the technology available to those needing
• KISS
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The Future Grid
• Primary plant enclosed, “maintenance free”.• Digital substations• Unmanned, automated, robotic patrols• Condition sensors supplied with primary plant • Sensors on lines providing information to
crews prior to failure• Expert analysis systems deployed• Mobile device interfaces
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Conclusions• On line monitoring has come a long way• We need to learn to trust and use it!• New technologies are available and evolving• For condition: focus on simplicity and making
decision-making easier • Turn data to information to knowledge• Use the work of CIGRE and IEEE so we don’t
need to reinvent the wheel
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Questions
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Information is not knowledge - Albert Einstein