Power generation and energy storage system
A technology of energy storage system and energy storage equipment, applied in the photovoltaic field, can solve the problem of high cost and achieve the effect of reducing cost
Pending Publication Date: 2020-12-11
ZHUHAI COSMX POWER CO LTD
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Problems solved by technology
[0004] An embodiment of the present invention provides a power generation and energy storage system to solve the problem of high cost of the existing photovoltaic power generation and energy storage integrated system
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words like "a" or "one" do not denote a limitation in quantity...
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The invention provides a power generation and energy storage system. The power generation and energy storage system comprises first charging equipment, energy storage equipment, photovoltaic equipmentand an inverter; the input end of the first charging equipment is electrically connected with an external power grid, and the output end of the first charging equipment is electrically connected withthe input end of the energy storage equipment; the energy storage device and the photovoltaic device are connected in parallel between the first input end and the second input end of the photovoltaicdevice; a first parallel branch of the energy storage device is provided with a first switch for controlling the first parallel branch to be connected or disconnected; and a second parallel branch ofthe photovoltaic equipment is provided with a second switch for controlling the connection or disconnection of the second parallel branch. The embodiment of the invention reduces the cost of the power generation and energy storage system.
Description
technical field [0001] The invention relates to the field of photovoltaic technology, in particular to a power generation and energy storage system. Background technique [0002] The world's three major fossil energy reserves are becoming increasingly depleted, and the energy crisis has become the greatest challenge facing mankind. Therefore, in order to ensure the human ecological environment, reduce air pollution, and maintain long-term stable energy supply, all countries are vigorously developing renewable energy. Photovoltaic power generation has become a relatively mature new energy technology. With the continuous development of photovoltaic technology, photovoltaic power has gradually transitioned from supplementary energy to alternative energy. [0003] In the existing photovoltaic power generation and energy storage integrated system, the power generated by photovoltaic modules is directly fed into the grid through the photovoltaic inverter. When the power generati...
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Patent Timeline
Login to View More IPC IPC(8): H02J3/38H02J3/32H02J3/00H02S40/32B60L53/31
CPCB60L53/31H02J3/008H02J3/32H02J3/381H02S40/32H02J2300/24Y02E10/56Y02E70/30Y02T10/70Y02T10/7072Y02T10/72Y02T90/12
Inventor 张志国邹序平
Owner ZHUHAI COSMX POWER CO LTD