Back to results
US 2013/0258729 A1Published application
Medium voltage power apparatus
AssigneeDelta Electronics, Inc.
InventorPETER BARBOSA
Life of this patent
Estimating the term…
Abstract
A power apparatus includes power modules. Each of the power modules includes an input transformer and power cell units. The input transformer has at least one primary winding and a plurality of secondary windings, and the primary winding is electrically connected to an AC power source. The power cell units are connected in series with one phase output line to a multi-phase load, in which the power cell units are electrically connected to the secondary windings, respectively.
Claims17
A power apparatus comprising:
- a plurality of power modules, each of the power modules comprising:
- an input transformer having at least one primary winding and a plurality of secondary windings, the primary winding being electrically connected to an AC power source;
- and
- a plurality of power cell units connected in series with one phase output line to a multi-phase load, wherein the power cell units are electrically connected to the secondary windings, respectively.
1 more element
A power apparatus comprising:
- a plurality of power modules configured for transforming a multi-phase input power into out-of-phase power outputs, respectively, to a multi-phase load, each of the power modules comprising:
- an input transformer having at least one primary winding and a plurality of secondary windings, the primary winding configured for receiving the multi-phase input power, the secondary windings configured for generating three-phase AC power outputs, respectively;
- and
- a plurality of power cell units connected in series with one phase output line to the multi-phase load, wherein the power cell units are configured for converting the three-phase AC power outputs from the secondary windings into in-phase power outputs to the multi-phase load, respectively.
1 more element
A power apparatus comprising:
- a first input transformer having at least one first primary winding and a plurality of first secondary windings, the first primary winding being electrically connected to an AC power source;
- a plurality of first power cell units connected in series with a first phase output line to a multi-phase load, wherein the first power cell units are electrically connected to the first secondary windings, respectively;
- a second input transformer having at least one second primary winding and a plurality of second secondary windings, the second primary winding being electrically connected to the AC power source;
- a plurality of second power cell units connected in series with a second phase output line to the multi-phase load, wherein the second power cell units are electrically connected to the second secondary windings, respectively;
- a third input transformer having at least one third primary winding and a plurality of third secondary windings, the third primary winding being electrically connected to the AC power source;
- and
- a plurality of third power cell units connected in series with a third phase output line to the multi-phase load, wherein the third power cell units are electrically connected to the third secondary windings, respectively.
4 more elements
Dependencies are inferred from the claim text.