PROJECT TITLE :

Stability analysis of a hybrid multi infeed of HVDC system connected between two offshore wind form and two power grids - 2017

ABSTRACT:

This paper presents the steadiness simulation results of two equivalent aggregated offshore wind farms (OWFs) based mostly on doubly-fed induction generator fed to 2 power grids through a hybrid multi-infeed high voltage dc (HVdc) system. The hybrid multi-infeed HVdc system consists of a line-commutated converter (LCC)-based mostly HVdc link and a voltage-supply converter-based HVdc link. A static synchronous compensator (STATCOM) is connected at the rectifier station of the LCC-primarily based HVdc link. A unified approach using a pole-assignment approach primarily based on a modal control theory is employed to style the damping controllers for the 2 HVdc links, respectively. Steady-state results below totally different wind speeds of the 2 OWFs are administered. Comparative dynamic responses of the studied system with and without the designed damping controllers for the 2 HVdc links under wind-speed changes are also achieved. Comparative transient simulations of the studied system with and while not the STATCOM subject to a three-part fault are also performed.


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