专利检索 ap:("NR ELECTRIC CO., LTD." OR "NR Engineering Co., Ltd.") AND inv:"YU, Xiaoyang" 第 1 页

1.

发明公开
CONVERTER APPARATUS AND ASSEMBLY, REACTIVE POWER COMPENSATION APPARATUS, AND CONVERTER THEREOF, AND CONTROL METHOD THEREFOR 审中-公开

公开(公告)号：EP3890174A1

公开(公告)日：2021-10-06

申请号：EP20858070.4

申请日：2020-06-30

申请人： NR ELECTRIC CO., LTD. , NR Engineering Co., Ltd.

发明人： ZHAN, Changjiang , WANG, Tao , YU, Xiaoyang , PAN, Lei , SHAO, Zhenxia , JIAO, Xinyan , LU, Yu , DONG, Yunlong

IPC分类号： H02M1/32

摘要： A converter apparatus, an assembly of converter apparatuses, a reactive power compensation apparatus, a converter and a method for controlling the converter are disclosed. The converter apparatus (1000) comprises: a switch unit (U1), comprising a first controllable semiconductor device (Q1) and a second controllable semiconductor device (Q2) connected in series; a capacitor (C1) connected to the switch unit (U1) in parallel; and an energy-consuming voltage-equalizing unit (U2) connected with the capacitor (C1) in parallel, and comprising a first resistor (R1), a second resistor (R2) and a third controllable semiconductor device (Q3), wherein the first resistor (R1) and the second resistor (R2) are connected in series, and the third controllable semiconductor device (Q3) is connected with the first resistor (R1) in parallel.