Transcript The Utilization of Electric Energy ET2105 Electrical Power System Essentials

The Utilization of Electric Energy
ET2105 Electrical Power System Essentials
Prof. Lou van der Sluis
25 April 2020
Delft
University of
Technology
Electrical Power System Essentials
Introduction (1)
• Electricity: the energy carrier of the future
• A variety of conversions
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Into mechanical energy
Into light
Into heat
DC electrical energy
Chemical energy
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Introduction (2)
Daily load curve in the Netherlands
(Monday May 15, 2006)
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The Synchronous Motor (1)
Magnetic field generated by a three-phase coil system
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Electrical Power System Essentials
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The Synchronous Motor (2)
Synchronous motor connected to an infinite bus
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Electrical Power System Essentials
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The Induction Motor (1)
Three-phase induction motor supplied by a
single-phase source
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The Induction Motor (2)
The electromagnetic torque as a function of the
angular rotor speed
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Light
• The incandescent lamp
• The halogen lamp
• The fluorescent lamp (Tube Light or TL)
• The light-emitting diode (LED)
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Heat
• Boiler
• Water cooker
• Electric stove
• Aluminum and steel furnaces
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Direct Current (1)
Single-phase full-wave rectifier
Single-phase full-wave rectifier during the positive (a) and the negative (b) half cycle of Vin
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Direct Current (2)
Single-phase rectification
Single-phase half-wave (a) and full-wave (b) rectification
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Residential load
Wiring lay out of four houses or buildings connected to a three-phase supply
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Electric Railways (1)
Courtesy of TenneT TSO B.V.
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Electric Railways (2)
Supply principle of a DC railway system
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Electrical Power System Essentials
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Electric Railways (3)
Supply principle of an AC railway system
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Electrical Power System Essentials
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