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Primary-secondary control strategy for meshed HVDC transmission grids at steady state

Kalid Yunus (Institutionen för energi och miljö, Elteknik) ; Torbjörn Thiringer (Institutionen för energi och miljö, Elteknik)
IEEE PES Asia-Pacific Power and Energy Engineering Conference 2015 (IEEE PES APPEEC 2015) (2015)
[Konferensbidrag, refereegranskat]

HVDC (High Voltage DC) transmission systems are believed to be a key to integrate more renewable energy sources, especially from remote area and offshore environment, into power systems. In this paper, a steady state control strategy that can be used in a meshed HVDC grids is presented. The control strategy combines local primary controllers and a central secondary or supervisory controller. The objective of the primary controllers is to enable shared management of required changes in bus powers as a result of a disturbance in the system. The objective of the secondary controller is to change voltage and power settings of the primary controllers so that power flows in the transmission cables of the system are kept within the thermal limits after the disturbance. The primary controllers react first when there are disturbances in the system followed by the secondary controller which acts only when necessary.

Nyckelord: meshed HVDC grid, primary control, secondary control, droop control, steady state control

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Denna post skapades 2015-12-11. Senast ändrad 2016-09-28.
CPL Pubid: 227983


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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik


Elektroteknik och elektronik

Chalmers infrastruktur