CENTRE FOR SUSTAINABLE POWER DISTRIBUTION

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CENTRE FOR SUSTAINABLE POWER DISTRIBUTION
This is widely recognised as a Centre of research
excellence within the area of electrical power
energy systems.

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Continued/---

• The Centre has substantial co-operative research
  grants and contracts from the Research Councils,
  manufacturing and the utilities and welcomes many
  Visiting Fellows from overseas institutions and
  companies.
• Members of the Centre are heavily involved in the
  EPSRCs Supergen programmes dealing with issues
  of sustainable power generation and supply.

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gt Staff

• Prof Raj Aggarwal (Director of Centre)
• Dr Rod Dunn (Senior Lecturer)
• Dr Furong Li (Senior Lecturer)
• Dr Miles Redfern (Senior Lecturer)
• Dr Haifeng Wang (Senior Lecturer)
• one new academic appointment

3 Research Officers 15 PhD Research Students
2 Senior visiting fellows (Dr Aslan Erinmez Dr
David Tolley)
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gt Sponsors
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gt Research Areas

• Numeric protection fault location
• Condition monitoring asset management
• Power systems control, planning operation
• Dynamic stability security analysis
• Market design operation
• Flexible AC Transmission Systems
• Power Quality
• Sustainable renewable electrical power systems,
  including integration

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gt Tools

• Artificial Intelligence
• Wavelets
• Multi-agent theory
• Monte Carlo
• Chaos theory
• Bayesian analysis
• Real-time dynamic simulation

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gt Applications

• Transmission/distribution systems
• Embedded generation
• Renewable energy integration
• Electrical energy storage systems
• Sustainable power systems
• Semi-conductor switched power systems
• Network charging structures

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gt Facilities

• RTDS, real-time digital transient simulator
• Multi-machine power system simulator
• Chemical and kinetic energy storage
• Software ATP, EMTDC, ERACS, ANSYS
• Electrical power market simulator

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gt Novel techniques for power system protection/
fault location / condition monitoring (1)

• Type of network / plant
• Overhead lines/ Underground cables
• Power transformers, Gas Insulated Switchgear,
  Generators
• High voltage transmission systems / low voltage
  distribution systems, power system networks with
  distributed generation (including renewables)
• High voltage systems with Thyristor-controlled
  Flexible AC Transmission, multi-ended lines

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gt Novel techniques for power system protection/
fault location / condition monitoring (2)

• Methods employed
• Advanced signal processing including Chaos
  Theory, Wavelet Transform
• Pattern recognition / classification using
  Artificial Intelligence including Fuzzy Logic,
  Artificial Neural Networks Self Organising Map,
  Multilayer Feedforward Perceptron

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gt Protection of systems with FACTS devices
Challenge correct protection relay operation
under rapidly changing system parameters
Solution
Voltage current signals
Trip signal
Fault Identification - AI
Feature extraction - DWT
FACTS System
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gt Future electrical power technologies
Challenge Sustainable electrical energy
generation
Solutions

• Decentralised control
• New market structures
• Novel energy storage
• Security

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gt Supergen 1 - Future network technologies
Challenge Enhanced operation of power networks
Projects

• Microgrids control and protection
• Multi-agent control decentralised networks
• Ideal energy mix technical ideal
• System security intermittent sources

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gt Supergen 3 Energy storage
Challenge Recovering unused electrical power

• Mobility
• Smoothing
• Time shift

Projects

• New electrical energy storage devices
• Control management of storage devices
• Integration into microgrids
• Hybrid energy storage

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Challenges for future power systems

• Significant wind generation will be introduced
• 10GW 2010 26GW - 2020
• Characteristics intermittent and unpredictable

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gt Development of network charging methodologies
for use of Western Power Distribution Network
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Problems and Objectives

• Distribution Reinforce Model is economically
  inefficient - Postage stamp2. DRM does not
  acknowledge the benefit of embedded generators
  3. Introducing more efficient distance based
  charging methodology - Investment Cost
  Related Pricing (ICRP)

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Assessing the benefits of moving to an
economically efficient distribution charging
compared to the existing approach based on the
Distribution Reinforcement Model ----- DRM-----
Investment Cost Related Pricing ----- Long-run
Incremental Cost Pricing
gt Cost-benefit analysis of network charging
methodologies
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FUTURE OPPORTUNITIES-

• Greater use of the assets,
• Exploitation of renewable resources,
• Accountability of operations.

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AREAS OF INTEREST-

• Open Access of Systems.
• Quality of Supply.
• Improved Protection

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OPEN ACCESS OF SYSTEMS-

• Ability to accept a diversity of sources.
• Wind,
• Solar,
• Domestic CHP,
• Fuel Cells,
• Storage.

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QUALITY OF SUPPLY-

• Supply Parameters.
• voltage
• frequency
• continuity of supply
• How and where can/should these be controlled?

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IMPROVED PROTECTION-

• New equipment requires more sophisticated
  protection.
• Increased complexity of network design.
• New concepts in protection.

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COLLABORATION -

• new sources of renewable energy.
• new control strategies.
• new processing techniques.
• condition monitoring.
• economics.
• etc., etc., ..

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COLLABORATION -

• Engineering Mechanical, Chemical, Civil,
  Architecture.
• Science Physics, Chemistry, Biology.
• Humanities Sociology, Psychology,
• Management, Economics.