Electric device and a method for a wave power plant
First Claim
1. An electric device including a winding, means for inducing a current in the winding and an electrical bridge circuit, wherein the electrical bridge circuit includes capacitor means having a capacitance adapted for obtaining resonance with the impedance of the winding, wherein the bridge circuit includes a first and a second branch connected to an electric load, the first branch having a first capacitor and a first semiconductor, the second branch having a second capacitor and a second semiconductor, the winding being connected to the first branch between the first capacitor and the first semiconductor and to the second branch between the second capacitor and the second semiconductor and whereby the first capacitor and the second semiconductor is connected to the load via a third semiconductor, and the first semiconductor and the second capacitor is connected to the load via a fourth semiconductor.
3 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to an electric device with a winding (12) and means for inducing a current in the winding. A bridge circuit (400) electrically connects the winding (12) to a load (13). According to the invention the bridge circuit (400) includes capacitor means (401, 402), which is adapted for obtaining resonance with the impedance of the winding (12).
-
Citations
16 Claims
- 1. An electric device including a winding, means for inducing a current in the winding and an electrical bridge circuit, wherein the electrical bridge circuit includes capacitor means having a capacitance adapted for obtaining resonance with the impedance of the winding, wherein the bridge circuit includes a first and a second branch connected to an electric load, the first branch having a first capacitor and a first semiconductor, the second branch having a second capacitor and a second semiconductor, the winding being connected to the first branch between the first capacitor and the first semiconductor and to the second branch between the second capacitor and the second semiconductor and whereby the first capacitor and the second semiconductor is connected to the load via a third semiconductor, and the first semiconductor and the second capacitor is connected to the load via a fourth semiconductor.
-
5. An electric device including a winding, means for inducing a current in the winding and an electrical bridge circuit, wherein the electrical bridge circuit includes capacitor means having a capacitance adapted for obtaining resonance with the impedance of the winding, wherein the bridge circuit includes an IGBT via which the winding is connected to an electric load, and further includes a first branch in parallel to the IGBT and a second branch in parallel to the winding, which first and second branch each includes a capacitor and whereby a semiconductor is located between the first and the second branch.
-
15. A method for controlling an electric winding in which winding a current is induced by connecting the winding to an electric bridge including capacitor means, and adapting the capacitance of the capacitor means to obtain resonance with the impedance of the winding, wherein the bridge circuit includes a first and a second branch connected to an electric load, the first branch having a first capacitor and a first semiconductor, the second branch having a second capacitor and a second semiconductor, the winding being connected to the first branch between the first capacitor and the first semiconductor and to the second branch between the second capacitor and the second semiconductor and whereby the first capacitor and the second semiconductor is connected to the load via a third semiconductor, and the first semiconductor and the second capacitor is connected to the load via a fourth semiconductor.
-
16. A method for controlling an electric winding in which winding a current is induced, by connecting the winding to an electric bridge including capacitor means, and adapting the capacitance of the capacitor means to obtain resonance with the impedance of the winding, wherein the bridge circuit includes an IGBT via which the winding is connected to an electric load, and further includes a first branch in parallel to the IGBT and a second branch in parallel to the winding, which first and second branch each includes a capacitor and whereby a semiconductor is located between the first and the second branch.
Specification