期刊
IEEE TRANSACTIONS ON POWER SYSTEMS
卷 28, 期 1, 页码 335-346出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2012.2199337
关键词
DC fault reverse blocking capability; hybrid multilevel converter with ac side cascaded H-bride cells; modular multilevel converter; voltage-source-converter high-voltage dc (VSC-HVDC) transmission system
资金
- EPSRC [EP/I031707/1] Funding Source: UKRI
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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