Isolating Circuit for DC/AC Converter
OwnerBruno Burger, Heribert Schmidtinventors
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Abstract
An isolating circuit for a DC/AC converter includes an input, an output, an energy storage element and a switch element. The DC/AC converter includes an energy storage isolated from mains during a freewheeling phase. The output of the isolating circuit is configured to be connected to the DC/AC converter, and the energy storage element is connected to the input and serves for storing energy received from the input. The switching element is connected between the energy storage element and the output of the isolating circuit and is operative to connect the energy storage element to the output during the freewheeling phase, and to isolate the energy storage element from the output outside the freewheeling phase of the DC/AC converter.
Claims16
Isolating circuit for a DC/AC converter, wherein the DC/AC converter comprises an energy storage isolated from mains during a freewheeling phase, the isolating circuit comprising:
- an input;
- an output connectable to the DC/AC converter;
- an energy storage element connected to the input and operative to store energy received from the input;
- and
- a switching element connected between the energy storage element and the output, wherein the switching element is operative to connect the energy storage element to the output during the freewheeling phase of the DC/AC converter, and to isolate the energy storage element from the output outside the freewheeling phase of the DC/AC converter.
System comprising
- a solar generator connected to a reference potential;
- a DC/AC converter implemented to convert a DC voltage provided by the solar generator into an AC voltage and to provide it to an output of the DC/AC converter, wherein the DC/AC converter is further implemented to isolate an energy storage of the DC/AC converter from the output of the DC/AC converter during a freewheeling phase;
- and
- an isolating circuit for a DC/AC converter, wherein the DC/AC converter comprises an energy storage isolated from mains during a freewheeling phase, the isolating circuit comprising:
- an input;
- an output connectable to the DC/AC converter;
- an energy storage element connected to the input and operative to store energy received from the input;
- and
- a switching element connected between the energy storage element and the output, wherein the switching element is operative to connect the energy storage element to the output during the freewheeling phase of the DC/AC converter, and to isolate the energy storage element from the output outside the freewheeling phase of the DC/AC converter.
DC/AC converter circuit for converting a received DC voltage into an AC voltage, comprising
- an input;
- an output;
- an energy storage;
- a switching network connected between the energy storage and the output and operative to isolate the energy storage from the output during a freewheeling phase and to connect the energy storage to the output outside the freewheeling phase;
- and
- an isolating circuit for a DC/AC converter, wherein the DC/AC converter comprises an energy storage isolated from mains during a freewheeling phase, the isolating circuit comprising:
- an input;
- an output connectable to the DC/AC converter;
- an energy storage element connected to the input and operative to store energy received from the input;
- and
- a switching element connected between the energy storage element and the output, wherein the switching element is operative to connect the energy storage element to the output during the freewheeling phase of the DC/AC converter, and to isolate the energy storage element from the output outside the freewheeling phase of the DC/AC converter,
- connected between the input and the energy storage.
Method for converting a DC voltage provided by a solar generator connected to a reference potential into an AC voltage, comprising:
- outside a freewheeling phase of a DC/AC converter, when an energy storage connected to the input of the DC/AC converter is connected to an output of the DC/AC converter, isolating the solar generator from the DC/AC converter and temporarily storing the energy provided by the solar generator;
- and
- during the freewheeling phase of the DC/AC converter, during which the energy storage of the DC/AC converter is isolated from the output of the DC/AC converter, charging the energy storage of the DC/AC converter.
Dependencies are inferred from the claim text.