hvdc - technische universität münchen universität münchen problems : ac transmission usually...
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Lehrveranstaltung„Umwandlung elektrischer Energie mit Leistungselektronik“
HVDC
(High Voltage Direct Current)Hochspannungs-Gleichstrom-Übertragung
Prof. Dr.‐Ing. Ralph Kennel
Technische Universität München
Arcisstraße 21
80333 München
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Technische Universität München
State-of-the Art :
AC Transmissionusually 3phase 50/60 Hz
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
simple conversion of voltages and currents
(by magnetic transformers)
magnetic transformers combine
high voltage and low voltage conductors without problems
magnetic transformers provide high efficiency (> 95 %)
AC electricity generation is a mature technology
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Technische Universität München
Problems :
AC Transmissionusually 3phase 50/60 Hz
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
interconnection of extended electric grids may result
in stability problems (resulting in black-outs etc.)
interconnection of electric grids is only possible
when using the same frequency
inductances and capacitances of cables and overhead lines
limit the capacity of long-distance power transmission
compensation of reactive power necessary (?)
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Technische Universität München
Trends and Tendencies
in Energy Transmission
Reduction of …
… installation space… transfer losses
Dynamic Controllability of Power Flow
Environment
Protection
Supply
Security
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Technische Universität MünchenWhat is HVDC ?
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität MünchenWhat is HVDC ?
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
What is HVDC ?
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
What is HVDC ?
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
What is HVDC ?
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
What is HVDC ?
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Technische Universität MünchenMany HVDC Systems Worldwide
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität MünchenEnvironmental Considerations
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
Environmental Considerations
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Technische Universität München
Why HVDC ?
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
HVDC – „ancient“ and modern
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
HVDC – „ancient“ and modern
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
HVDC – „ancient“ and modern
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
HVDC – „ancient“ and modern
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link
HVDC – „ancient“ and modern
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
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Technische Universität München
Source : EPECS 2013, Istanbul, Turkey – Djehaf Mohamed :
Steady-State and Dynamic Performance of Asynchronous Back-to-Back VSC HVDC Link