Future Trends for Power Systems A Short Course to Honour Professor David Hill Centre of Excellence in Power Engineering & Australian Power Institute 12 October 2009
Future Trends for Power Systems Happy Birthday David from all of us! 12 October 2009
Introducing the Centre of Excellence in Power Engineering Professor Vassilios G. Agelidis Director, Centre of Excellence in Power Engineering EnergyAustralia Chair of Power Engineering 12 October 2009
Education Bachelor of Electrical Engineering: Democritus University of Thrace, Greece, 1988, First Class Honours. Master of Applied Science: Concordia University, Montréal, Canada, 1992 for contributions to zerovoltage switching and the novel notch commutated pulse-width modulated inverter. PhD in Electrical Engineering: Curtin University of Technology, Australia, 1997, for contributions to optimised pulse-width modulation techniques, converter topologies and systems including multilevel converters for high power utility applications. Diploma of Business Administration: Curtin Graduate School of Business, Australia, 2000. Certificate of Teaching: Curtin University of Technology, Australia, 1994. 4
Employment History 1993-1999: School of Electrical and Computer Engineering, Curtin University of Technology, Australia (Associate Lecturer, Lecturer, Senior Lecturer). 2000-2004: Research Manager at the Inter-University Glasgow-Strathclyde Centre for Economic Renewable Power Delivery, The University of Glasgow, Scotland, United Kingdom. 2005-2006: Professor and Chair of Power Engineering, Murdoch University, Perth, Western Australia. 2007-to-date: Professor and EnergyAustralia Chair of Power Engineering, The University of Sydney, Australia. April 2009-to-date: Director, Centre of Excellence in Power Engineering and EnergyAustralia Centre of Excellence in Intelligent Electricity Networks 5
Book Contribution, 2002 6
Areas of Research Interests Voltage-source converter based FACTS and HVDC systems. Advanced power transmission technologies. Intelligent grid infrastructure. Monitoring and diagnostics technologies for power system infrastructure and utility asset management. Harmonics, distribution and transmission systems and power electronics applications. Renewable energy systems, wind energy, solar energy, gridconnected inverter technology. AC and DC microgrids. Power electronics and systems, inverters and control. Selective harmonic elimination pulse-width modulation control. Fuel cell systems, energy efficiency, sustainable energy solutions and systems. 7
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Our Vision to become Australia s leading research, education and training organisation for power engineering systems and associated technologies, in strong partnership with industry to develop leading-edge know-how 9
Our Mission Support the power engineering industry by supplying high-quality graduates with the highest technical and professional skills Foster the international competitiveness of Australian industry through world-class research programs Contribute significantly to realistic approaches for a sustainable energy future 10
Priority The inception, design and construction of studentcentered most advanced power engineering laboratory and professional environment in Australia 11
Most Advanced Power Engineering Laboratories 12
The Phases 1. Vision outlined: November 2006 2. Initial funding of $1M from Sir William Tyree secured: May 2007 3. Cleaning finalised: December 2007, ABB commitment 4. Planning and preliminary study finalised: January 2008 5. Funding of $1.6M from the University for the refurbishment approved: April 2008 6. Detailed design finished: July 2008 7. Tender process closed: September 2008 8. Construction started: October 2008 9. Phase A to be operational: by June 2009 10. Official opening planned for: August 2009 13
Redefining laboratory space level of interaction investment industry involvement student experiences cooperation assessment entrepreneurship 14
Destined to Lead pioneering real implementation unique breadth teaching with real commercial systems state-of-the-art bridging the gap between academia and the real world inviting approach to industry deliver a link between theory and practice 15
The infrastructure The way it was January 2007 16
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The infrastructure The final design August 2008 27
Level 2 28
Level 3 29
Sir William Tyree Laboratory in Power Engineering January 2009. 30
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ABB - contribution Equipment Manuals Expertise 39
Equipment Typical circuit breaker feeder panel (600Kg) Substation protection & control (150Kg) Power line carrier (200Kg) High voltage current transformer (1100Kg, 3.6m height) Low voltage capacitor cubicle (350Kg) Low voltage reactive compensation (300Kg) Active filter (300Kg) Variable speed drives (500Kg) Motor starting (200Kg) 40
Equipment Low voltage switchgear panel (200Kg) Industrial instrumentation system PLC controllers Electrical distribution transfer switch Distribution transformer (200Kg) Encased robot (300Kg) 41
California Instruments fully-programmable 30kVA power supply, DC/AC/1phase/3-phase 42
Hydrogen generator 43
1.2kW Ballard- PEM fuel cell 44
Remaining Targets 1. Raise $2M to purchase more equipment 2. Involve another 10 industry organizations 3. Develop training programs 4. Expand research programs 5. Attract outstanding academics 6. Increase student numbers 45
Research Areas Control of paralleling of DC/AC transmission Transformer stress analysis when filters removed Behaviour of embedded VSC systems in AC-DC grids FACTS systems employing advanced harmonic control modulation HVDC based on ANPC VSC Topology Modularised HVDC
DC micro-grids Other Research DC multi-terminal supervisory control system Electricity market and effect of transactions on high thermal limits ageing Negative sequence control using SHE-PWM VSC based controller Low cost distributed transportable modularised and movable compensation apparatus
Other Research Economic modelling of distributed generation Current signature analysis spectrum for prediction technologies Robust anti-islanding methods based on PLL synchronisation single and three-phase converters
VSC-HVDC Systems Research Projects NPC SHE-PWM FC-SHE-PWM Three-phase cascaded SHE-PWM techniques system ANPC 5-level SHE-PWM techniques system 5-minute electricity load demand using support vector regression Multi-terminal DC systems Real-time power quality event recognition DC capacitor free AC-AC conversion
3-level FC VSC-HVDC System
SHE-PWM Controller Implementation
Controller for Hybrid PWM Technique
Controller for SHE-PWM implementation
Multi-converter HVDC system
9-level PWM waveform definition
Multi-converter HVDC 56
Multi-converter HVDC Converter phase signals
Key waveforms of the multi-converter HVDC 58
ANPC 3-Level Phase-leg V dc + V dc 2 + O + A V dc 2 N
A phase of two-level VSC for HVDC power transmission system
Solution trajectories: the five angles in radians
SHE-PWM without online modification
SHE-PWM with online modification
(a) The line-to-line voltage spectra for dc-bus with ripple of (a) 10% 2nd harmonic without the repositioning technique and (b) when the technique is used.
(a) The line-to-line voltage spectra for dc-bus with ripple of 25% 2nd harmonic (a) without the repositioning technique and (b) when the technique is used.
Thank you 66
Questions & Answers 67