Apparatus for the redundant power supply of at least one load

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Reexamination Certificate

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Reexamination Certificate

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07863773

ABSTRACT:
In order to provide an apparatus for the redundant power supply of at least one load having a first converter, which can be connected to a first AC voltage system via a first connection, a second converter, which can be connected to a second AC voltage system via a second connection, and a DC voltage intermediate circuit, which connects the first converter to the second converter on the DC voltage side, which apparatus makes a redundant power supply possible, the invention proposes that the DC voltage intermediate circuit has at least one load connection for the purpose of supplying power to a load.

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Complete English language translation and English language summary of : Weinhold et al.: “Leistungselektronik kontrolliert Leistungsflüsse in Verteilungsnetzen” (Advanced power flow control for distribution networks), Siemens AG, Erlangen, Fachthema Stromrichter, pp. 62-67, 2001.
Russian Office Action received on Oct. 2, 2009.

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