Projects per year
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.
Original language | English |
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Pages (from-to) | 335 - 346 |
Number of pages | 12 |
Journal | IEEE Transactions on Power Systems |
Volume | 28 |
Issue number | 1 |
Early online date | 3 Jul 2012 |
DOIs | |
Publication status | Published - Feb 2013 |
Keywords
- capacitors
- circuit faults
- HVDC transmission
- power conversion
- voltage control
- hybrid multilevel converter with ac side cascaded H-bride cells
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Projects
- 1 Finished
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TWENTIES (Transmission system operation with large penetration of wind and other renewable electricity sources in networks by means of innovative tools and integrated energy solutions) (FP7 Energy)
Bell, K., Finney, S. & Infield, D.
European Commission - FP7 - Cooperation only
1/04/10 → 31/03/13
Project: Research