Power conversion system and drive chain comprising the power conversion system
First Claim
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1. A power conversion system comprising:
- a first transformer adapted to be connected to an AC network, the first transformer including a first primary winding and two first secondary windings;
two power converters, each being connected to one of the two first secondary windings and a first electrical device; and
a second transformer and a secondary electrical device, the second transformer including a second primary winding and two second secondary windings, each of the two second secondary windings being connected to one of the two first secondary windings, and the secondary electrical device being connected to the second primary winding and the secondary electrical device is connected with an input of the two power converters via the two second secondary windings.
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Abstract
Provided is a power conversion system that includes a first transformer adapted to be connected to an AC network, the first transformer including a first primary winding and two first secondary windings, and two power converters, each being connected to a first respective secondary winding. The system further includes a second transformer and a secondary electrical device, the second transformer including a second primary winding and two second secondary windings, each second secondary winding being connected to a respective first secondary winding, and the secondary device being connected to the second primary winding.
6 Citations
10 Claims
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1. A power conversion system comprising:
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a first transformer adapted to be connected to an AC network, the first transformer including a first primary winding and two first secondary windings; two power converters, each being connected to one of the two first secondary windings and a first electrical device; and a second transformer and a secondary electrical device, the second transformer including a second primary winding and two second secondary windings, each of the two second secondary windings being connected to one of the two first secondary windings, and the secondary electrical device being connected to the second primary winding and the secondary electrical device is connected with an input of the two power converters via the two second secondary windings. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A drive chain comprising;
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an electrical machine powered by an AC network by a power conversion system being connected between the AC network and the electrical machine, and comprising; a first transformer adapted to be connected to an AC network, the first transformer including a first primary winding and two first secondary windings; two power converters, each being connected to one of the two first secondary windings and the electrical machine; and a second transformer and a secondary electrical device, the second transformer including a second primary winding and two second secondary windings, each of the two second secondary windings being connected to one of the two first secondary windings, and the secondary electrical device being connected to the second primary winding and the secondary electrical device is connected with an input of the two power converters via the two second secondary windings.
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9. A drive chain comprising:
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a first transformer comprising a first primary winding and a pair of first secondary windings; a second transformer comprising a second primary winding and a pair of second secondary windings; a pair of power converters connected with the pair of first secondary windings and the pair of second secondary windings, wherein the first and second transformers being connected in parallel between an AC network and a first electrical device by connecting the pair of first secondary windings with the pair of second secondary windings; and a second electrical device being connected with the second primary winding and connected with an input of each power converter via the pair of second secondary windings. - View Dependent Claims (10)
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Specification