14 September 2015 Delft University of Technology Electrical Power System Essentials ET2105 Electrical Power System Essentials Prof. Lou van der Sluis The.

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Presentation transcript:

14 September 2015 Delft University of Technology Electrical Power System Essentials ET2105 Electrical Power System Essentials Prof. Lou van der Sluis The Utilization of Electric Energy

2 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Introduction (1) Electricity: the energy carrier of the future A variety of conversions Into mechanical energy Into light Into heat DC electrical energy Chemical energy

3 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Introduction (2) Daily load curve in the Netherlands (Monday May 15, 2006)

4 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials The Synchronous Motor (1) Magnetic field generated by a three-phase coil system

5 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials The Synchronous Motor (2) Synchronous motor connected to an infinite bus

6 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials The Induction Motor (1) Three-phase induction motor supplied by a single-phase source

7 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials The Induction Motor (2) The electromagnetic torque as a function of the angular rotor speed

8 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Light The incandescent lamp The halogen lamp The fluorescent lamp (Tube Light or TL) The light-emitting diode (LED)

9 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Heat Boiler Water cooker Electric stove Aluminum and steel furnaces

10 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Direct Current (1) Single-phase full-wave rectifier Single-phase full-wave rectifier during the positive (a) and the negative (b) half cycle of V in

11 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Direct Current (2) Single-phase rectification Single-phase half-wave (a) and full-wave (b) rectification

12 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Residential load Wiring lay out of four houses or buildings connected to a three-phase supply

13 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Electric Railways (1) Courtesy of TenneT TSO B.V.

14 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Electric Railways (2) Supply principle of a DC railway system

15 4. The Utilization of Electric Energy | 15 ET2105 Electrical Power System Essentials Electric Railways (3) Supply principle of an AC railway system