Power supply system for photovoltaic and power grid interactive direct current air conditioner

A power supply system, direct current technology, applied in photovoltaic power generation, electric vehicles, battery circuit devices, etc., can solve the problems of high hardware investment, unsuitable for air conditioning power supply, and high system failure rate, and achieve the effect of improving work efficiency

Inactive Publication Date: 2017-05-24
台州航宁制冷设备有限公司
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Problems solved by technology

[0002] Domestic photovoltaic applications basically use inverters to supply power to air conditioners. Ordinary inverters require the cooperation of battery energy storage and photovoltaic controllers to supply power to air conditioners. The hardware structure of the system is complex, and the investment in hardware is said to be too high. The work efficiency of

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  • Power supply system for photovoltaic and power grid interactive direct current air conditioner
  • Power supply system for photovoltaic and power grid interactive direct current air conditioner
  • Power supply system for photovoltaic and power grid interactive direct current air conditioner

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Embodiment Construction

[0017] 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 only some, not all, embodiments of the present invention. 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.

[0018] Such as figure 1 — Figure 4 As shown, the present invention discloses a DC air-conditioning power supply system in which photovoltaics interact with the power grid. In a specific embodiment of the present invention, it includes photovoltaic panels (PV1, PV2), dual independent MPPT photovoltaic tracking modules 2 and DC frequency conversion modules. in:

[0019] Photovoltaic panel: used to convert solar energy into direct current and provide it to dual ind...

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Abstract

The invention relates to a power supply system for a photovoltaic and power grid interactive direct current air conditioner. The system is characterized by comprising a photovoltaic battery panel, a twin-channel independent MPPT photovoltaic tracking module and a direct current frequency conversion module, wherein the photovoltaic battery panel is used for converting solar energy into direct current electricity and provides the direct current electricity to the twin-channel independent MPPT photovoltaic tracking module; the twin-channel independent MPPT photovoltaic tracking module is used for boosting the direct current electric output by the photovoltaic battery panel and providing to a direct current air conditioning frequency conversion panel; and the direct current frequency conversion module is used for converting the voltage of the power grid into the direct current electricity and providing the direct current electricity to the direct current air conditioning frequency conversion panel. The system provided by the invention has the advantages that by changing the power supply mode of the direct current air conditioner in the prior art, the power supply function of a photovoltaic preferred power grid complementation is realized without a storage battery and a selector switch; the photovoltaic electric energy and the power grid work in parallel, so that the direct current air conditioner is continuously powered.

Description

technical field [0001] The invention relates to the field of home appliances, in particular to a DC air-conditioning power supply system in which photovoltaics and power grids interact. Background technique [0002] Domestic photovoltaic applications basically use inverters to supply power to air conditioners. Ordinary inverters require the cooperation of battery energy storage and photovoltaic controllers to supply power to air conditioners. The hardware structure of the system is complex, and the hardware investment is said to be too high. The work efficiency of the whole machine is very low, and the system failure rate is high. The biggest disadvantage of this topological photovoltaic application system is that battery loss and depreciation are unacceptable. Generally, the battery needs to be replaced in one or two years, so this topology photovoltaic application system is not suitable for air conditioning power supply. Contents of the invention [0003] Aiming at the ...

Claims

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Application Information

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IPC IPC(8): H02J7/35H02J9/06
CPCH02J7/35H02J9/061Y02B10/70Y02E10/56
Inventor 杨圣军叶选辉
Owner 台州航宁制冷设备有限公司
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