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Duration: 3 weeks Introduction to the Course


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COURSE TITLE: Energy Efficiency in Electrical Systems (Parts I and II)

Lecturer(s):

- Dr. Angel A. BAYOD

- Dr. Luis I. DÍEZ

Duration: 3 weeks

Introduction to the Course:

Energy efficiency is an important issue for the students involved in this Master. Basic aspects of energy efficiency are presented in this course, related to electricity generation, distribution, management, use and transformation. Then, different aspects of energy efficiency in electrical systems are analysed. Potential of energy savings and determination of electric losses are shown and discussed. In particular, efficiency of electrical power plants, consumptions in equipment and losses in conductors, electrical motors and drives, and transformers are considered.



Course Aims:

The aims of this Course are to:



  • Give the theoretical basis for the analysis of energy efficiency in electrical systems.

  • Introduce the concepts of energy savings, losses, demand-side management.

  • Provide the basic tools to carry out electrical energy efficiency calculations.

Learning Outcomes

By the end of this Course students should have gained:



  • Knowledge and Understanding: Potential of energy savings and energy efficiency measures at an advanced level

  • Intellectual Skills: Calculation techniques and understanding of reduction of losses in electric power systems, cables, transformers, motors….

  • Professional Practice Skills: Basic calculations of reduction of energy in different electrical equipment.

  • Transferable Skills: Capability to apply the concepts in the future professional life

Course Book:

Several books, papers and reports are recommended to cover all the contents of the course. The following are useful references, encompassing basic books and also review papers of interest:



  • Energy Management Handbook, 7th Edition, C. Wayne, S.Turner, CRC Press

  • Energy Efficiency and Climate Change. Conserving Power for a Sustainable Future B. Sudhakara Reddy, Gaudenz B. Assenza, Dora Assenza, Franziska Hasselmann SAGE Publications India Pvt Ltd

  • Energy-Efficiency Policy Opportunities for Electric Motor-Driven Systems International Energy Agency, 2011

  • Handbook of Energy Efficiency and Renewable energy F Kreith and Yogi Goswami, CRC press

  • The Smart Grid: Enabling Energy Efficiency and Demand Response W. Clark, P.E. Gellings, P.E., CRC Press

  • Distribution System Modeling and Analysis, Kersting, CRC Press

  • CENELEC EN 50 160. Voltage characteristics of electricity supplied by public electricity networks

  • Electrical Energy Systems M. E. El-Hawary, CRC press

  • Control and Automation of Electrical Power distribution systems J. Northcote-Green, R. Wilson, CRC press.

Teaching Methods

Oral presentations of concepts, description of technologies and explanation for practical exercises. Overheads of presentations (MS PowerPoint files in .pdf format) will be given.

• Students will be instructed to work out the exercises with spreadsheet software (MS Excel) and the code Engineering Equation Solver (EES). An academic version of EES, valid until September 2013 will be made available through the University of Zaragoza.
Lectures


  1. Fundamentals of Energy Efficiency (EE) in electrical systems

    1. Fundamentals of Energy Efficiency

    2. First and Second Law of Thermodynamics

    3. Potential of EE in electrical systems.

    4. Fundamentals of EE in electrical systems

    5. Reactive power compensation



  1. EE in electric power generation

    1. Efficiency in thermoelectric power generation

    2. Electricity generation by renewable sources

    3. Distributed generation

    4. Efficiency in cogeneration and polygeneration plants



  1. EE in equipment

    1. EE in distribution systems

    2. EE in transformers

    3. EE in motors

    4. EE in pumps, fans and compressors

Exercises

Short exercises and problems will be proposed along the lectures in order to clarify and complete the theoretical explanations. Additionally, more detailed and extensive case studies will be proposed as individual work to be carried out by the students, who should be also able to present and defend their results to the group. In particular, those lecture works will be focus on:



Schedule

Wednesday, January 9th

 2.00 – 3:00 pm: Course presentation & Initial tests (Angel Bayod and Luis Díez)

 3:00 – 4:30 pm: Fundamentals of Energy Efficiency (Angel Bayod)

 4:45 – 6:15 pm: First & Second Laws of Thermodynamics I (Luis I. Díez)



Thursday, January 10th

 2:00 – 3:30 pm: First & Second Laws of Thermodynamics II (Luis I. Díez)

 3:45 – 5:15 pm: Potential of EE in electrical systems I (Angel Bayod)

 5:15 – 7:15 pm: Assignments of course projects (Angel Bayod and Luis Díez)



Friday, January 11th

 2:00 – 3:30 pm: Potential of EE in electrical systems II (Angel Bayod)

 3:45 – 5:30 pm: Thermoelectric power plants (Luis Díez)

Monday, January 14th

 2:00 – 3:30 pm: Losses in Electrical Systems I (Angel Bayod)

 3:45 – 5:30 pm: Energy efficiency in thermoelectric power plants I (Luis Díez)

Tuesday, January 15th

 2:00 – 3:30 pm: Losses in Electrical Systems II (Angel Bayod)

 3:45 – 5:30 pm: Energy efficiency in thermoelectric power plants II (Luis Díez)

Wednesday, January 16th

 2:00 – 3:00 pm: Exam (Angel Bayod and Luis Díez)

 3:15 – 5:30 pm: Reactive power compensation I (Angel Bayod)

Thursday, January 17th

 2:00 – 4:00 pm: Electricity generation in solar power plants (Luis Díez)

 4:15 – 6:15 pm: Tuition of course projects (Angel Bayod and Luis Díez)

Friday, January 18th

 2:00 – 3:30 pm: Reactive power compensation II (Angel Bayod)

 3:45 – 5:30 pm: Cogeneration & Polygeneration I (Luis Díez)

Monday, January 21st

 8:30 – 10:15 am: EE in transformers (Angel Bayod)

 10:30 – 12:15 am: Cogeneration & Polygeneration II (Luis Díez)

Tuesday, January 22th

 8:30 – 10:15 am: EE in wind farm/PV plants transformers (Angel Bayod)

 10:30 – 12:45 am: EE in distribution systems (Angel Bayod)

Wednesday, January 23th

 8:30 – 9:45 am: Exam (Angel Bayod and Luis Díez)

 10:00 – 12:15 am: Energy efficiency in a cogeneration plant (Luis Díez)

Thursday, January 24th

 8:30 – 10:30 am: Presentation of course projects (Angel Bayod and Luis Díez)

 10:45 – 12:45 am: Presentation of course projects (Angel Bayod and Luis Díez)

Friday, January 25th

 8:30 – 9:45 am: EE in electrical motors (Angel Bayod)

 9:45 – 11:00 am: Energy efficiency in pumps, fans and compressors (Luis Díez)

 11:15 – 12:15 am: Wrap up & Final summary of the course


Assessment

  • Short auto-evaluation quizzes will be used to test knowledge acquired at the end of each presentation.

  • Students will be required to work out each practical exercise. They will be asked to write and submit a brief report for every topic

Essay

None


Examination

At the end of each section of the module, students have to take an exam. Quizzes and exercises will be ranked as well.



Grading System*

Percentage

Scale

Description

100-90

Outstanding

Outstanding performance

89-80

Very Good

Performance is considerably above average

79-70

Good

More than average performance

69-60

Satisfactory

performance meets the requirements

Below 60

Insufficient

Due to considerable deficiencies performance does not meet the requirements

*No other grading system is accepted.


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