If generation of PV system is greater than power consumption, it transmits power to the commercial systems while the power of
such commercial system is used at night and in bad weather when the generation of PV system is less than power consumption.

  •                             · System without Reverse Transmission
  • - Unlike an independent type battery, the storage battery
      is not needed.
    - Main places installed

      Downtown of city (building, home system)
      Place connectable with the commercial systems

General Photovaltaic type

1. Fixing Structure

①Roof Type

  • • Easy to install on site owing to overall bolt fastening method and module fixing bracket adoption.
    • Fast installation is assured owing to simple & perfect design and fabrication.
    • Various-sized modules can be attached owing to compatibility and easy assembly.
    • Standardization and weight lightening of the products owing to the use of C-shape steel structure.
    • Strengthening integrity & stability of the products equipped with various forming structures by roof types.

  • Tilted Roof Type

    • Type where solar cell modules are installed on the exclusive supportive fixtures & struts above the roofing   materials (roof tile, painted slate, metal roof, etc.)
    • As a construction method mainly adopted for housing, it complies with the standard specification of
      individual module manufacturer.

    Flat Roof Type

    • Type where solar cells are installed on the steel frame above water proofing layer such as asphalt,
      sheet, etc.
    • As a kind of installation method, it complies with the standard specification of individual module
    • Many installation examples are mainly found on roof top of government office or school official residence.

    Roofing Integrated Type

    • Type where solar cell modules are attached to roofing materials (metal roof, flat roof tile, etc.)
    • It realizes an artistic sense not hurting architectural design showing a sense of unity with the roof owing to
      its same configuration as peripheral roofing.
    • It combines various functions of roof. (water proof, durability, etc.)

    Roofing Type

    • Type where solar cell module itself has a function as roofing materials.
    • It can be combined with peripheral roofing materials.
    • Many installation examples are mainly shown in newly built housing.

    Top Light Type

    • Type where solar cells are installed fit to the glass part of top light.
    • It also provides the lighting & shading effect by the cells as top light product.
    • Aperture ratio can be changed depending on cell placement

②Rooftop Slab Type

  • • Easy for installation and maintenance
    • Hot dip galvanized on the whole structure resulting in beautiful appearance and excellent durability
    • A variety of specifications are available through scientific structure review
    • All the structure is installed on site based on bolt-fastened method without welding

③Flatland Type

  • • Installation is available on all flat grounds

Installation Process (based on roof top slab)

2. Variable Structure

• Diverse design possibility with variable angles
• Number of variable frequencies can be adjusted according to customer’s requirement owing to its easily variable function.
• Solid system stable to strong wind with less rolling.

BIPV(Building Integrated Photovoltaic)

  • • As it is used as exterior material of the building, material cost can be saved during construction
    • Applicable to new building or remodeling of existing building
    • Contributing to mitigation of electricity peak caused by cooling load, etc./p>

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