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Latest information

Small household solar power generation system

Throw away the kerosene lamp, the light is around

What do you feel about the school where there is no electricity in the classroom ? A school has only one classroom , a teacher , and eight students . Sun Yat - sen , through the wi

Home photovoltaic power station

秒速时时彩分官网 Today, photovoltaic off-grid power station is very hot, in the home installation of a solar photovoltaic power station has become the pursuit of many families! Solar photovoltaic p

Complementarities of wind and pv hybrid complementary power

秒速时时彩分官网 Wind power generation system has promoted the development of energy conservation and environmental protection in China. This clean, green and environmentally friendly new energy ge

Small household solar power generation system

秒速时时彩分官网 China now has 900 million people living in rural areas. About 5% of them have not yet been connected to electricity. In Chinas rural areas, where wind and solar energy are abundant

PV question and answer

What do you know about the solar water supply system?

Solar water supply system mainly consists of water pump, solar water pump inverter. Solar panels and cisterns. The system uses solar power to drive the pump to lift water to meet the households daily living water needs (optional water purification device, without the use of electricity, diesel generators. Battery, water storage instead of energy storage, especially for water shortage areas. The main components of the photovoltaic pump system function 1, Photovoltaic array It is composed of several photovoltaic modules series-parallel, absorbs sunlight radiation energy, and converts it into electric energy, that is, solar power generation, which provides power supply for the whole system. 2, Solar pump inverter In order to ensure the full application of solar power, the real-time control and regulation of the operation of the solar water lifting system can ensure the rated operation of the system when the sunshine is sufficient and the lowest operating frequency is set when the sunlight is insufficient. 3, Pump It can be used to lift water from deep wells or rivers and lakes, to inject water tank, or directly to irrigation or fountain systems, such as DC pump, AC pump, centrifugal pump, axial flow pump, mixed flow pump, deep well pump and so on. Schematic diagram of domestic water supply system solution Social and Economic benefits of Photovoltaic pump system For a long time, how to solve the problem of water and water supply in mountainous, arid, grassland and desertification

【Second】Comprehensive understanding of distributed photov

秒速时时彩分官网 Design installer 38 .D istributed photovoltaic power generation system is composed of several parts? The distributed photovoltaic power generation system consists of photovoltaic modules, grid-connected photovoltaic inverters, bidirectional metering watt-hour meters and related parts. 39.How to obtain local solar energy resource data? The first and crucial step in the design of photovoltaic systems is the analysis of solar energy resources and related meteorological data such as local solar radiation and precipitation where the project is installed and used. Weather data, such as wind speed, are key data for the design system. Currently, weather data from anywhere in the world can be accessed free of charge: the NASA Meteorological Database. 40 . How to choose the grid-connected voltage of distributed photovoltaic grid-connected system? The grid-connected voltage of distributed photovoltaic system is mainly determined by the installed capacity of the system. The specific grid-connected voltage needs to be determined according to the power grid companys access system. The general household uses AC220V to access the power grid. Commercial AC380V or 10 kV can be selected to access the grid. 41.What determines the inclination of the photovoltaic array installation? The installation inclination of photovoltaic array is generally determined by the latitude of the installation location, and there is a slight difference between different regions, generally, the angle of installation

What is a solar photovoltaic pump?

Solar water pump ( Solar Pumping System) is also called photovoltaic water pump , which is the most attractive water supply mode in the sunshine - rich area of the world , especially the remote areas where there is no electricity and electricity . Structure and principle of solar water pump : The invention relates to a photovoltaic water pump , which is characterized by comprising a photovoltaic array , a photovoltaic water - lift inverter and a water pump . The photovoltaic array is also called a photovoltaic module , mainly converting the solar energy into electric energy , and providing working power to the load water pump motor . The photovoltaic water - lift inverter controls and regulates the operation of the solar water pump , uses the electric energy emitted by the solar array to drive the water pump , and adjusts the output frequency in real time according to the change of the sunshine intensity , so that the output power is close to the maximum power of the solar cell array . A water pump , commonly referred to as a pump , is commonly referred to as a pump by increasing the pressure of the liquid , conveying the liquid or increasing the pressure of the liquid , i.e . changing the mechanical energy of the prime mover into liquid energy to achieve the purpose of pumping liquid . The solar photovoltaic water pump is an opto - mechanical integrated system which develops rapidly in recent years , and drives direct current , permanent magnet , brushless , non - position s

What are the classifications of solar power generation

Solar power technology can be used in any need of power, from spacecraft, down to home power, from megawatt power stations to small toys. Photovoltaic power can be ubiquitous. Solar power can be divided into the following: G eneration mode Solar power generation is divided into photothermal generation and photovoltaic generation. Regardless of production, sales, development speed and development prospects, photothermal power generation is not able to catch up with photovoltaic generation. It may be that photothermal power generation is less exposed to photovoltaic power generation due to the widespread use of photovoltaic power generation. Generally speaking, solar power often refers to photovoltaic power generation, referred to as photovoltaic. Transportation mode Solar power generation is divided into independent photovoltaic generation, grid-connected photovoltaic power generation Off-grid photovoltaic power generation Independent photovoltaic system is also called off-grid photovoltaic system. It is mainly composed of solar cell module, controller and battery. To supply AC load, it is necessary to configure AC inverter. Grid-connected photovoltaic power generation Grid-connected photovoltaic power generation system is the direct current generated by solar modules through grid-connected inverters to meet the requirements of the municipal power grid AC power which is directly connected to the public grid. Grid-connected photovoltaic power generation system is divided into c

What is the structure of the solar panel backplane

The solar panel is located on the back of the solar panel. It can protect and support the solar panel. It has reliable insulation, water resistance and aging resistance. In general, there are three layers (PVDF/PET/PVDF). The outer protective layer (PVDF) has good environmental erosion resistance, and the middle layer is PET polyester film with good insulation performance. The inner layer of PVDF and EVA have good bonding performance. There are five layers in the section of solar panel: photovoltaic glass EVA, solar cell sheet PVDF and back plate.

What is the principle of flexible solar panels

The working principle of flexible solar panels is: TTPV is the direct conversion of sunlight into DC. In fact is the photon in sunlight into electron energy, like solar panels after the wires were collected to form the current, this current can directly for DC load, can also be converted into alternating current through the inverter power supply for AC equipment. For the convenience of use at any time, the electrical energy will be stored in the battery or other storage devices.

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