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Solar system

A technology of solar energy and photovoltaic modules, which is applied in the field of solar energy systems, can solve the problems of low energy utilization rate of solar energy systems, and achieve the effect of saving energy

Active Publication Date: 2013-03-27
YINGLI ENERGY CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a solar energy system to at least solve the problem of low energy utilization rate of solar energy systems in the prior art

Method used

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Embodiment Construction

[0018] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0019] An embodiment of the present invention provides a solar energy system, and the following describes the solar energy system provided by the embodiment of the present invention.

[0020] figure 1 is a structural block diagram of a solar energy system according to an embodiment of the present invention.

[0021] Such as figure 1 As shown, the solar energy system includes a photovoltaic module 11 , a mains interface 12 and a compound distribution inverter device 13 .

[0022] The photovoltaic module 11 is used to receive solar energy and convert the solar energy into electrical energy.

[0023] The mains interface 12 is used for connecting the mains.

[0024] The composite distribution ...

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Abstract

The invention discloses a solar system which comprises a photovoltaic assembly for receiving solar energy and converting the solar energy into electric energy, a mains supply connector for being connected with mains supply and a composite distribution invertion device respectively connected with the photovoltaic assembly and the mains supply connector and used for controlling the photovoltaic assembly and the mains supply to directly supply power to a load. By means of the solar system, the photovoltaic assembly of the solar system can directly supply power to the load instead of pre-storing the electrical power into a storage battery and enabling the storage battery to supply power to the load. Simultaneously when output power is smaller than load power, the mains supply is not totally switched for supplying power, but the mains supply and the photovoltaic assembly supply power together, and the effect of saving energy can be achieved.

Description

technical field [0001] The invention relates to the field of solar energy, in particular to a solar energy system. Background technique [0002] In the prior art, all solar systems contain batteries. Due to the high cost of batteries, solar systems are expensive. At the same time, the number of charging and discharging of batteries is limited, requiring maintenance and replacement. If batteries are discarded and disposed of improperly, they will also pollute the environment. Since the general solar energy system cannot meet the electricity demand of large power loads for a long time, the complementary mode of mains power is introduced, which also requires batteries as energy storage devices. power directly to the load. The efficiency of such a system is also low, there will be some energy loss during the charging and discharging process of the system, the energy utilization rate is not high, and the system cost and maintenance cost are relatively high. [0003] Aiming at t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N6/00H02J9/00H02S10/00
CPCY02E10/50
Inventor 梁玉杰边超
Owner YINGLI ENERGY CHINA
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