Power supply apparatus for power converters

Patent metadata

Field	Value
Publication number	US-9859782-B2
Application number	US-201414459439-A
Country	US
Kind code	B2
Filing date	Aug 14, 2014
Priority date	Feb 15, 2012
Publication date	Jan 2, 2018
Grant date	Jan 2, 2018

Abstract

There is provided a power supply apparatus for power converters which convert power generated by power generators into power to be supplied to a power system. The power supply apparatus includes a photovoltaic power cell for the power converters, the photovoltaic power cells generating power for supplying power of the power converters.

First claim

What is claimed is:

1. A power supply apparatus for supplying power to a power system, the power supply apparatus comprising:
a first set of photovoltaic power cells configured to supply power to a power grid;
a second set of photovoltaic power cells configured to supply a voltage to a voltage regulator to supply control power for controlling power converters; and
the power converters configured to convert the supplied power and supply the converted power to the power system.

2. The power supply apparatus for the power converters of claim 1 , wherein the first set of photovoltaic power cells are power generators in a photovoltaic power generation system.

3. The power supply apparatus for the power converters of claim 1 , wherein
the power converters are distributed among buildings, and
at least one photovoltaic power cell for the power converters is provided at each of the buildings.

4. A power supply method for supplying power to a power system, the power supply method comprising:
supplying power by a first set of photovoltaic power cells to a power grid;
supplying a voltage to a voltage regulator by a second set of photovoltaic power cells to supply control power for controlling power converters;
converting the supplied power and supplying the converted power to the power system by the power converters.

5. The power supply method for the power converters of claim 4 , wherein the first set of photovoltaic power cells are power generators in a photovoltaic power generation system.

6. The power supply method for the power converters of claim 4 , wherein
the power converters are distributed among buildings, and
power supply to the power converters is performed by power generation of the first set of photovoltaic power cells provided at the buildings where the power converters are provided, respectively.

7. A power generation system comprising:
a first set of photovoltaic power cells configured to supply power to a power grid;
power converters configured to convert power supplied by the first of photovoltaic power cells into power to be supplied to a power system; and
a second set of photovoltaic power cells configured to supply a voltage to a voltage regulator to supply control power for controlling the power converters.

8. The power generation system of claim 7 , wherein the first set of photovoltaic power cells are power generators in a photovoltaic power generation system.

9. The power generation system of claim 7 , wherein
the power converters are distributed among buildings, and
at least one photovoltaic power cell for the power converters is provided at each of the buildings.

Assignees

• Toshiba Mitsubishi Electric Industrial Systems Corp

Inventors

• Ikawa Eiichi

Classifications

• H02J4/00

  Circuit arrangements for mains or distribution networks not specified as AC or DC; Circuit arrangements for mains or distribution networks combining AC and DC sections or sub-networks (arrangements using intermediate DC-AC-DC conversion H02J1/002; arrangements using high-voltage DC [HVDC] links H02J3/36) · CPC title

• H02J2101/24

  Photovoltaics · CPC title

• Y02E10/56

  Power conversion systems, e.g. maximum power point trackers · CPC title

• Y10T307/367

  Cross-Sectional Technologies · mapped topic

• H02M7/48 Primary

  using discharge tubes with control electrode or semiconductor devices with control electrode · CPC title