Title :
Optimum design of medium-voltage DC collector grids depending on the offshore-wind-park power
Author :
Stieneker, Marco ; Mortimer, Benedict J. ; Averous, Nurhan Rizqy ; Stagge, Hanno ; De Doncker, Rik W.
Author_Institution :
Inst. for Power Generation & Storage Syst., RWTH Aachen Univ., Aachen, Germany
Abstract :
DC collector grids within offshore wind park offer advantages regarding efficiency and investment costs. Dual-active bridge (DAB) dc-dc converter systems can be applied for stepping-up the dc output-voltage of wind turbines (WT). The increase of the voltage level reduces the effort for cabling and increases the system efficiency. Within this paper, the advantage of DAB converter systems used in offshore medium-voltage dc (MVDC) grids is presented. Also, the optimum design of wind park clusters regarding the wake effect and grid losses is investigated to maximize the energy yield.
Keywords :
DC power transmission; DC-DC power convertors; power grids; wind power plants; wind turbines; DAB DC-DC converter system; MVDC grid; WT; dual-active bridge; energy yield maximization; grid loss; medium-voltage DC collector grid optimum design; offshore-wind-park power; system efficiency; voltage level; wake effect; wind park cluster; wind turbine; Bridge circuits; HVDC transmission; Layout; Rotors; Wind speed; Wind turbines;
Conference_Titel :
Power Electronics and Machines for Wind and Water Applications (PEMWA), 2014 IEEE Symposium
Conference_Location :
Milwaukee, WI
Print_ISBN :
978-1-4799-5137-6
DOI :
10.1109/PEMWA.2014.6912218
