Apparatus for Electrical Power Transmission
2 Assignments
0 Petitions
Accused Products
Abstract
A device for the transmission of electrical energy includes at least one current converter. Each current converter has phase elements with respective arrangements of circuit elements that comprise at least two switchable power semiconductors each and at least two free-wheeling diodes, each connected in parallel thereto, and energy storing means. The transfer properties in or between power distribution networks are improved with the novel device. The device is provided with means for controlling the current converter in such a manner that the zero crossing, the amplitude and/or the instantaneous values of an alternating current of a transfer network that can be connected to the device and/or the direct current of a direct current line that connects at least one current converter to a direct current source, and/or the direct voltage and the direct current of at least three interconnected current converters can be controlled.
-
Citations
43 Claims
-
1-21. -21. (canceled)
-
22. An apparatus for electrical power transmission, comprising:
-
at least one converter, said at least one converter having phase elements each including an assembly of switching elements each having at least two switchable power semiconductors and at least two freewheeling diodes, respectively connected in parallel with said power semiconductors, and energy storage means; controller means for closed-loop control of said at least one converter such that at least one of the following is controlled; a zero crossing phase angle, an amplitude, and/or instantaneous values of an AC voltage of a transmission system to be connected to the apparatus; and
/ora DC voltage and a direct current on a DC voltage line connecting said at least one converter to a DC voltage source; and
/ora DC voltage and a direct current of at least three converters that are connected to one another. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
-
Specification