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. AgelidisDirector, 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 zero-voltage 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

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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, grid-

connected 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.

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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

Our Vision

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• 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

Our Mission

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The inception, design and construction of student-centered most advanced power engineering laboratory and professional environment in Australia

Priority

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Most Advanced Power Engineering Laboratories

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1. Vision outlined: November 20062. Initial funding of $1M from Sir William Tyree secured: May

20073. Cleaning finalised: December 2007, ABB commitment4. Planning and preliminary study finalised: January 20085. Funding of $1.6M from the University for the

refurbishment approved: April 20086. Detailed design finished: July 20087. Tender process closed: September 20088. Construction started: October 20089. Phase A to be operational: by June 200910. Official opening planned for: August 2009

The Phases

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• laboratory space• level of interaction• investment• industry involvement• student experiences• cooperation• assessment • entrepreneurship

Redefining

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• 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

Destined to Lead

The way it was…January 2007

The infrastructure

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The final design…August 2008

The infrastructure

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Level 2

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Level 3

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January 2009….

Sir William Tyree Laboratory in Power Engineering

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• Equipment• Manuals• Expertise

ABB - contribution

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• 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)

Equipment

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• Low voltage switchgear panel (200Kg)• Industrial instrumentation system• PLC controllers• Electrical distribution transfer switch• Distribution transformer (200Kg)• Encased robot (300Kg)

Equipment

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California Instruments fully-programmable 30kVA power supply, DC/AC/1phase/3-phase

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Hydrogen generator

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1.2kW Ballard- PEM fuel cell

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1. Raise $2M to purchase more equipment2. Involve another 10 industry organizations3. Develop training programs4. Expand research programs5. Attract outstanding academics6. Increase student numbers

Remaining Targets

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

Research Areas

DC micro-grids

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

Other Research

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

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Multi-converter HVDC

Multi-converter HVDC – Converter phase signals

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Key waveforms of the multi-converter HVDC

ANPC 3-Level Phase-leg

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O A

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2dcV

2dcV

dcV

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––

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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

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.

(a) (a)

Thank you…

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Questions

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Answers

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