New breed of network fault-tolerant voltage-source-converter HVDC transmission system

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Abstract

This paper proposes a new breed of high-voltage dc (HVDC) transmission systems based on a hybrid multilevel voltage source converter (VSC) with ac-side cascaded H-bridge cells. The proposed HVDC system offers the operational flexibility of VSC-based systems in terms of active and reactive power control, black-start capability, in addition to improved ac fault ride-through capability and the unique feature of current-limiting capability during dc side faults. Additionally, it offers features such as smaller footprint and a larger active and reactive power capability curve than existing VSC-based HVDC systems, including those using modular multilevel converters. To illustrate the feasibility of the proposed HVDC system, this paper assesses its dynamic performance during steady-state and network alterations, including its response to ac and dc side faults.
LanguageEnglish
Pages335 - 346
Number of pages12
JournalIEEE Transactions on Power Systems
Volume28
Issue number1
Early online date3 Jul 2012
DOIs
Publication statusPublished - Feb 2013

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Electric potential
Reactive power
Power control

Keywords

  • capacitors
  • circuit faults
  • HVDC transmission
  • power conversion
  • voltage control
  • hybrid multilevel converter with ac side cascaded H-bride cells

Cite this

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title = "New breed of network fault-tolerant voltage-source-converter HVDC transmission system",
abstract = "This paper proposes a new breed of high-voltage dc (HVDC) transmission systems based on a hybrid multilevel voltage source converter (VSC) with ac-side cascaded H-bridge cells. The proposed HVDC system offers the operational flexibility of VSC-based systems in terms of active and reactive power control, black-start capability, in addition to improved ac fault ride-through capability and the unique feature of current-limiting capability during dc side faults. Additionally, it offers features such as smaller footprint and a larger active and reactive power capability curve than existing VSC-based HVDC systems, including those using modular multilevel converters. To illustrate the feasibility of the proposed HVDC system, this paper assesses its dynamic performance during steady-state and network alterations, including its response to ac and dc side faults.",
keywords = "capacitors, circuit faults , HVDC transmission, power conversion , voltage control , hybrid multilevel converter with ac side cascaded H-bride cells",
author = "Adam, {Grain Philip} and Khaled Ahmed and Stephen Finney and Keith Bell and Barry Williams",
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AU - Bell, Keith

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AB - This paper proposes a new breed of high-voltage dc (HVDC) transmission systems based on a hybrid multilevel voltage source converter (VSC) with ac-side cascaded H-bridge cells. The proposed HVDC system offers the operational flexibility of VSC-based systems in terms of active and reactive power control, black-start capability, in addition to improved ac fault ride-through capability and the unique feature of current-limiting capability during dc side faults. Additionally, it offers features such as smaller footprint and a larger active and reactive power capability curve than existing VSC-based HVDC systems, including those using modular multilevel converters. To illustrate the feasibility of the proposed HVDC system, this paper assesses its dynamic performance during steady-state and network alterations, including its response to ac and dc side faults.

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KW - power conversion

KW - voltage control

KW - hybrid multilevel converter with ac side cascaded H-bride cells

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