Elec7309-lec1-10-6slide - Course Introduction Elec7309...

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1 Elec7309 Power System Planning Reliability Course Coordinator and Lecturer : 1 Prof. Tapan K Saha ¾ Office: Room No 47-406 ¾ Telephone: 3365 3962 ¾ Email: saha@itee.uq.edu.au Course Introduction Part I covers reliability analysis of complex power systems. This part will emphasize reliability calculation of generation 2 calculation of generation, transmission and interconnected systems. Finally, this part will also cover distribution system reliability calculation. Resources: 1. Reliability Evaluation of Power Systems Authors: Roy Billinton and Ronald N. Allan, Publisher: New York Plenum Pres, 1996, 2 nd Edition 2. Reliability Evaluation of Engineering Systems, Concepts and Techniques 3 Systems, Concepts and Techniques Authors: Roy Billinton and Ronald N. Allan, Publisher: Boston, Pitman, 1992, 2 nd Edition. 3. Reliability Assessment of Electric Power Systems Using Monte Carlo Methods Authors: Roy Billinton and Wenyuan Li. Publisher: New York : Plenum Press, c1994. The aims of this part of the course are to: 9 Make student competent with reliability calculation of electricity generation system 9 Make student competent with reliability calculation of electricity generation, transmission and 4 interconnected system 9 Make student competent with distribution system reliability calculation and 9 Introduce the concept and application of Monte Carlo Simulation in power system. Power system reliability Power system is extremely complex due to: Physical size Widely dispersed geography 5 National and International Interconnections Operator’s own restrictions Electric energy cannot be stored efficiently and effectively in large quantities Unpredictable system behaviour Power system reliability ± The term reliability relates to the ability of a system to deliver electricity to all points of utilization within the accepted standard and desired amount 6 ± Reliability assessment includes: (1) Adequacy assessment (2) Security assessment
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2 Power system reliability Adequacy assessment Adequacy assessment studies the existence of sufficient facilities within the system to meet the system demand. It is mainly performed in design phase. 7 Security assessment Security assessment studies the ability of system to respond to the disturbances and this is associated with the dynamic responses of the system. Mainly performed during the operational phases. Reliability at what cost ? ± Probability of outage is reduced by increasing investment during the planning phases ± But overinvestment leads to inefficiency and higher tariff ± In a market environment cost of supply and reliability 8 In a market environment, cost of supply and reliability are to be traded off during planning and operational phases. Consumer Cost Supply Cost $ Reliability % C O E A Consumer surplus Total Cost Reliability assessment techniques 1. Deterministic techniques Traditional techniques Do not address the probabilistic/stochastic nature of power system.
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Elec7309-lec1-10-6slide - Course Introduction Elec7309...

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