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Control strategy of photovoltaic controller

June 2, 2022
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| New energy LED street lamp energy storage and control technology
Control strategy of photovoltaic controller

PV controller hardware structure The hardware structure of the photovoltaic controller is shown in Figure 1. The controller uses AVR mega32 microprocessor as the control core. The peripheral circuits are mainly composed of battery voltage and ambient temperature detection and charge and discharge control circuit, solar cell voltage detection and group switching circuit, Load current […]

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The working principle and protection function of photovoltaic controller

May 23, 2022
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| New energy LED street lamp energy storage and control technology
The working principle and protection function of photovoltaic controller

Working principle of photovoltaic controller The output characteristic curve of the solar cell is shown in Figure 1. The volt-ampere characteristic of the solar cell has a strong nonlinearity, that is, when the sunlight intensity changes, its open circuit voltage will not change much, but the maximum current generated will There is considerable variation, so […]

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VRLA Batteries – Discharge Characteristics and Emission Requirements

April 18, 2022
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| VRLA battery
What are the discharge characteristics of VRLA battery?

Discharge characteristics VRLA batteries are subject to capacity test before leaving the factory. According to YD / t799-1996 standard, the steps of capacity test are as follows: (1) First, fully charge the tested VRLA battery. (2) Leave the VRLA battery under test for 1 ~ 24h to make the surface temperature of the battery reach […]

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What is the classification of batteries for new energy LED street lights?

March 3, 2022
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| New energy LED street lamp energy storage and control technology
What is the classification of batteries for new energy LED street lights?

For the types of batteries, as far as the mainstream products on the market are concerned, there are four types of batteries: lead-acid batteries, nickel-cadmium (NiCd) batteries, nickel metal hydride (NiMH) batteries and lithium ion (Liion) batteries. The battery can be used repeatedly, which is in line with the principle of economy and practicality. This […]

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Advantages of solar energy AGM-VRLA battery battery capacity battery internal resistance battery performance Battery performance parameters Battery structure and advantages and disadvantages Characteristics of monocrystalline silicon solar cells Charging and discharging process of lead-acid battery Composition of small wind turbine Disadvantages of polycrystalline silicon solar cells EPDC type solar power dual output controller formation of PN junction GFL-VRLA battery Horizontal axis wind turbine I-V characteristics of solar cells Loss of photoelectric conversion process Method for preparing polycrystalline silicon thin film solar cell N-type semiconductor P-type semiconductor Photoelectric characteristics of solar cells PN junction energy band and contact potential difference PN junction photoelectric effect PV controller Regional division of China's solar energy resources Research on amorphous silicon solar cells Research on silicon solar cells Silicon atom Single crystal silicon solar cell preparation process solar cell solar cell conversion efficiency Solar cell efficiency solar cell module Solar LED street light Solar light time comparison table Spectral characteristics of solar cells Stack solar cell the protection function of the photovoltaic controller The working principle of the photovoltaic controller Vertical axis wind turbine VRLA battery What are the requirements and precautions for VRLA battery charging Wind generator Wind Turbines Working principle of solar cell

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