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Intelligent solar photovoltaic power supply system

A solar photovoltaic and power system technology, applied in the field of solar power systems, can solve problems such as not having intelligent management functions, and not being able to become an intelligent power system

Active Publication Date: 2011-09-21
SHANGHAI KENEW ELECTRICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the management unit in the system generally only has simple battery protection functions, but does not have complete intelligent management functions, such as maximum power point tracking (MPPT) of solar panels, battery charge and discharge process management, battery overcharge protection, over discharge Protection, over-current protection, battery balance management, fuel gauge, battery voltage monitoring, and communication with external intelligent units, etc., so it cannot be an independent intelligent power system and cannot meet the requirements of the current smart grid development

Method used

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  • Intelligent solar photovoltaic power supply system

Examples

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Embodiment

[0023] Such as figure 1 , figure 2 As shown, an intelligent solar photovoltaic power supply system includes a solar panel, a lithium-ion battery pack, and an intelligent management unit. The intelligent management unit includes a solar panel interface 1, a lithium-ion battery pack interface 2, a load interface 3, and an RS485 communication interface 4. Measurement sampling circuit 5, measurement signal conditioning circuit 6, dynamic charge and discharge management integrated circuit 7, output voltage regulation and voltage stabilization circuit 8, microprocessor 9, MOSFET 10, the measurement sampling circuit 5 is connected through the solar panel interface 1 is connected to the solar panel, the dynamic charging and discharging management integrated circuit 7 is respectively connected to the measurement sampling circuit 5, the output voltage regulation and voltage stabilization circuit 8, and the output voltage regulation and voltage stabilization circuit 8 is connected to th...

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Abstract

The invention relates to an intelligent solar photovoltaic power supply system which comprises a solar panel, a lithium ion battery pack and an intelligent management unit, wherein the intelligent management unit comprises a solar panel interface, a lithium ion battery pack interface, a load interface, an RS485 communication interface, a measuring and sampling circuit, a measuring signal modulating circuit, a dynamic charging and discharging management integrated circuit, an output voltage regulating and stabilizing circuit, a microprocessor and an MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor); the measuring and sampling circuit is connected with the solar panel through the solar panel interface; the dynamic charging and discharging management integrated circuit is respectively connected with the measuring and sampling circuit and the output voltage regulating and stabilizing circuit; the measuring signal modulating circuit is connected with the measuring and sampling circuit; and the microprocessor is respectively connected with the RS485 communication interface, the measuring signal modulating circuit, the dynamic charging and discharging management integrated circuit and the MOSFET. Compared with the prior art, the invention has the advantages of the function of dynamic charging and discharging management and the like.

Description

technical field [0001] The invention relates to a solar energy power supply system, in particular to an intelligent solar photovoltaic power supply system. Background technique [0002] Solar photovoltaic power system generally consists of solar panels, batteries, and management units. At present, the management unit in the system generally only has simple battery protection functions, but does not have complete intelligent management functions, such as maximum power point tracking (MPPT) of solar panels, battery charge and discharge process management, battery overcharge protection, over discharge Protection, overcurrent protection, battery balance management, fuel gauge, battery voltage monitoring, and communication with external intelligent units, etc., so it cannot be an independent intelligent power system and cannot meet the requirements of the current smart grid development. Contents of the invention [0003] The object of the present invention is to provide an int...

Claims

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Application Information

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IPC IPC(8): H02N6/00H02J7/00H02H7/18H02S10/00
CPCY02E10/50
Inventor 高翔江秀臣贾林壮
Owner SHANGHAI KENEW ELECTRICAL TECH
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