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FPC (Flat Plate Collector)


Key Features
  • Useful when you don’t have a reliable grid.
  • The battery bank stores DC electricity in batteries bank provided with the system.
  • Hybrid Solar Power Plants
  • Is a combination of On-Grid and Off-grid Solar System, a grid-connected system.
  • You can feed surplus electricity to the Govt. grid.
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A solar flat plate collector typically consists of a large heat absorbing plate, usually a large sheet of copper or aluminum as they are both good conductors of heat, which is painted and chemically etched black to absorb as much solar radiation as possible for maximum efficiency. This blackened heat absorbing surface has several parallel copper pipes or tubes called risers, running length ways across the plate which contains the heat transfer fluid, typically water.

These copper pipes are bonded, soldered or brazed directly to the absorber plate to ensure maximum surface contact and heat transfer. Sunlight heats the absorbing surface which increases in temperature. As the plate gets hotter this heat is conducted through the risers and absorbed by the fluid flowing inside the copper pipes which is then used by the household.

The pipes and absorber plate are enclosed in an insulated metal or wooden box with a sheet of glazing material, either glass or plastic on the front to protect the enclosed absorber plate and create an insulating air space. This glazing material does not absorb the suns thermal energy to any significant extent and therefore most of the incoming radiation is received by the blackened absorber.

The air gap between the plate and glazing material traps this heat preventing it from escaping back into the atmosphere. As the absorber plate warms up, it transfers heat to the fluid within the collector but it also loses heat to its surroundings. To minimize this loss of heat, the bottom and sides of a flat plate collector are insulated with high temperature rigid foam or aluminum foil insulation.

We are so glad we picked Greentek India Pvt. Ltd to install our solar, Navish and the team were excellent throughout and so professional. Everything was explained to us from start to finish in terms that we could understand. We would recommend Greentek India Pvt. Ltd. to anyone contemplating having solar installed.

DR.SUBRAMANIAN
SUBBULAKSHMI NURSING HOME

We are so glad we picked Greentek India Pvt. Ltd to install our solar, Navish and the team were excellent throughout and so professional. Everything was explained to us from start to finish in terms that we could understand. We would recommend Greentek India Pvt. Ltd. to anyone contemplating having solar installed.

DR.SUBRAMANIAN
SUBBULAKSHMI NURSING HOME

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