Patent Number: 7,786,710

Title: Electric power flow control

Abstract: An apparatus for reactive power compensation in an ac medium voltage power network. The apparatus includes a common connection; a first branch including a first switch, and a first capacitor; and a second branch including a second switch and a second capacitor.

Inventors: Drugge; Birger (Vasteras, SE), Halvarsson; Per (Vasteras, SE), Liljestrand; Lars (Vasteras, SE), Backman; Magnus (Vasteras, SE)

Assignee: ABB Technology Ltd.

International Classification: G05F 1/70 (20060101)

Expiration Date: 8/31/12018