公开(公告)号：CA2914653C

公开(公告)日：2018-10-30

申请号：CA2914653

申请日：2013-06-07

Applicant: ABB TECHNOLOGY AG

Inventor： DIJKHUIZEN FRANS ,  NAMI ALIREZA ,  ZELAYA DE LA PARRA HECTOR ,  TOWNSEND CHRISTOPHER

IPC: H02J3/32 ,  H02J3/18 ,  H02M7/49

Abstract: A converter arrangement (1) and a method of controlling a three-phase converter arrangement connected to a transmission grid is provided. The converter arrangement (1) comprises three phase legs (10, 20, 30) and an energy transfer circuit (40). The method comprises providing a varying respective output phase (A, B, C) voltage to the transmission grid by selecting (206) energy storage elements (12A-n, 21A-n, 31A-n, 44) of both the phase legs (10, 20, 30) and the energy transfer circuit (40) and connecting (210) the selected energy storage elements (12A-n, 21A-n, 31A-n, 44) to the transmission grid output (15, 25, 35). The method further comprises selecting (208) energy storage elements (12A-n, 21A-n, 31A-n, 44) for performing a transfer of energy between the energy storage elements (12A-n, 21A-n, 31A-n, 44) during the control period.