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Power supply system of great start-up current of solar photovoltaic battery

A technology of solar battery packs and photovoltaic cells, applied in photovoltaic power generation, control/regulation systems, circuits, etc., to achieve the effects of automatic operation, small size, and expanded power storage capacity

Inactive Publication Date: 2009-06-03
王振龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a power supply system with a large starting current of solar photovoltaic cells to solve the technical problem that the solar battery power supply system can be safely overloaded to provide an instantaneous large starting current to meet the starting power demand of load equipment

Method used

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  • Power supply system of great start-up current of solar photovoltaic battery
  • Power supply system of great start-up current of solar photovoltaic battery

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Embodiment Construction

[0020] Please refer to Fig. 2, the present invention has four major parts of DC power supply part A, DC step-up part B, inverter output part C and control part D like the prior art, but its DC part A has a certain number of single In addition to solar battery packs and battery packs composed of monocrystalline silicon solar cells, polycrystalline silicon solar cells, or amorphous silicon thin-film solar cells, there are also supercapacitors; and the DC step-up part B is provided with three parallel lines mainly composed of DC / DC A DC boost circuit composed of a boost circuit and a high-frequency rectifier circuit, each DC boost circuit is connected to a component of the DC power supply part A (that is, a solar cell group, a storage battery group or a super capacitor) through a respective switch, In addition, each DC step-up circuit is also provided with a current sharing filter circuit. The difference between the current sharing filter circuit and the filter circuit in the prio...

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Abstract

The invention relates to a power system for supplying large current to solar photo-voltaic cell, wherein it comprises the energy part with solar battery and accumulator, the boost part with DC / DC boost circuit, reverse output part, and the control part with microprocessor. The invention is characterized in that: the energy part has super capacitor; the boost part has three parallel DC / DC boost circuits via independent switch connected to solar battery, accumulator or super capacitor. The invention can supply instant large start current safely to device.

Description

technical field [0001] The invention relates to a power supply system, in particular to a solar battery system which combines solar batteries and battery packs and can provide loads with alternating large starting current through inverter devices. Background technique: [0002] Solar energy is a kind of renewable green energy. In the current situation where fossil fuels such as oil, coal, and natural gas are increasingly exhausted due to massive exploitation, the development and utilization of solar energy has been widely valued by countries all over the world. Compared with renewable energy sources such as wind, water, and tidal forces, solar energy has the advantage of not being limited by the site, especially it can make full use of the roof and exterior walls of buildings, and does not need to occupy a large amount of land for solar energy collection. , and it is commendable that the use of roofs and exterior walls to collect solar energy will not only have no negative i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/00H01L31/042
CPCY02E10/56
Inventor 钱惠富
Owner 王振龙
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