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    Reasons Why Solar Energy Is One of The World’s Hottest Industries

    The sun is finally shining on the solar industry. After years of being eclipsed by other renewable energy sources, solar has become hot.
    The renewable energy source is enjoying a business「Gn3iss3nc? of sorts as generation costs have declined and investments have
     multiplied in the solar sector. The result has been an increase in solar energy. 
    The enthusiasm around solar is not restricted to a specific region, geography, or country. For example, solar energy is one of the few areas
     in which the Tea Party and liberals are willing to cooperate. So, what is the reason behind solar energy’s popularity? Here are three reasons:
     
    1. Solar offers better return
    One of the famous investigating study found that installation in solar pane systems beats investment in a stock market investment fund.
    The study, which was funded by the Department of Energy, also found that energy generated from solar panels is cheaper than buying energy from local utilities in 42 of 50 cities in America.
    The reasons for this are not hard to fathom. Although they require considerable upfront capital as compared to conventional energy installations, solar panels have a payback system that enables consumers to rid themselves of energy utilities completely in the course of time.
    From an economic and profitability standpoint, solar offers better returns than conventional electric companies. To use investing language, solar is a growth opportunity.


    2. The cost of solar energy has declined 
    From a consumer standpoint, the main hindrance to greater solar adoption is related to costs. Conventional electric companies
    are vertically integrated. This means that they own elements of the electricity generation process and, consequently, pass on those costs to consumers. In some cases,
    they also pass on litigation costs to consumers. As a result, electric bills have trended upward.
    The reductions have been made possible by declines in cost of manufacturing hardware of solar PV system. With development of new technology and greater customer
     
    traction, the price of making solar panels is expected to go down further in the World.
     
    3. Solar is good for the economy 
    Growth of the solar industry has been good for the World's economy. According to a report from Solar Foundation, the solar industry 
    added workers almost 20 times faster than the overall World's economy.



    Solar off-grid power system


    Solar offgrid power system consists of solar panels, microprocessor controller, battery and inverter. It is most used in off electric area which away the public power network and some special places, such as outlying country, a pasturing area, island, plateau and the fish man in desert area. It provides the basic life electric for these places, such as lighting, watching TV, broadcasting, etc. And also provides power for communication relay station, the navigation mark of coast and inland, weather power station, frontier defense sentry, hydrographic monitoring, etc.


    System includes:
    1. PV Array: A number of PV panels connected in series and/or in parallel giving a DC output out of the incident irradiance. Orientation and tilt of these panels are important design parameters, as well as shading from surrounding obstructions.
    2. PV controller: control battery bank charge and discharge reasonable and safety.
    3. Inverter: A power converter that inverts the DC power from the panels into AC power. The characteristics of the output signal should match the voltage, frequency and power quality limits in the supply network.
    4. Battery bank: can be a single battery or multiple batteries connected together to create essentially one large battery of the required voltage and amp-hour capacity. In some ways the battery configuration and capacity are the most important electrical power decision to make, and a wise choice can help guarantee a steady supply of electrical power as well as a system that is simple to operate and maintain.
    5. Loads: Stands for the network connected appliances in the building that are fed from the inverter, or, alternatively, from the grid




    reference case:







    Solar on-grid power system


    Solar on-grid power system consists of solar panels, a system controller and inverter. Solar panel will produce DC(Direct Current) electricity, and this electricity will be run though the converter and inverter to produce AC(Alternating Current) electricity. Then this energy is run into AC power panel back to the utility companies power grid. As on-grid solar power system enjoys the advantages of battery-free and low cost, this can make the system operation life longer. It also can remote monitoring during the operating. It has been become the main stream in solar power generation. The system brings benefits of pollution reduction, energy conservation and environment protection, all of which make remarkable social values.


    Grid-connected PV system


    Grid Connected PV system design has the following components:
    1. PV Array or Generator: A number of PV panels connected in series and/or in parallel giving a DC output out of the incident irradiance. Orientation and tilt of these panels are important design parameters, as well as shading from surrounding obstructions.
    2. Inverter: A power converter that inverts the DC power from the panels into AC power. The characteristics of the output signal should match the voltage, frequency and power quality limits in the supply network.
    3. Loads: Stands for the network connected appliances in the building that are fed from the inverter, or, alternatively, from the grid.
    4. Meters: They account for the energy being drawn from or fed into then local supply network.
    5. Local Supply Network: A single or three-phase network managed by a Public Electricity Supplier. The supply network acts both as a sink for energy surplus in the building or as a backup for low local generation periods.





    reference case:








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