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New Energy Award 2001
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New Energy Equipment/System Category
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Solar
Cogeneration System 2000
Solar Cogeneration
2000 (Corporate group)
Central House Co., Ltd.
This cogeneration system combines PV power generation
and solar heating functions. The solar cell panels are rimmed with
lagging, and placed in a stainless steel airtight insulated container
with a clear double-glazed upper surface. As the solar cell panels
generate power, air is passed through the insulated container and
fed into a heat box on the ground for use in hot water supply and
air-conditioning. This system was highly rated for its simplicity,
economic efficiency, and environmental benefit in that natural energy
is used for all operations other than the fan for circulating the
air.
Features of equipment,
system and facilities
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Simultaneous use of solar light and heat |
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Heat and power supply system that uses solar
energy to generate power and at the same time, collects heat
for use in heating and hot water supply (solar cogeneration
system). |
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Solar modules are placed inside a cogeneration
module container — a stainless steel airtight insulated
container with a clear double-glazed top. It generates power
through the solar cells, and collects heat through air circulation. |
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High energy efficiency |
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Power output is more than three times greater
compared to a system combined only with PV power generation
(3 times the power + heat energy conversion efficiency). |
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The collected heat is used for heating and
hot water supply through the heat box (hot water supply and
heat storage system). |
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During winter the system is used for power
generation, heating, hot water supply and heat storage, and
during summer it is used for power generation and hot water
supply, and also for cooling (optional system). |
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Environmental benefits and adaptability |
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Significantly contributes to the reduction
of CO2, and from this, the prevention
of global warming. |
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Can be widely used in fields where there is
a demand for power and heat, such as homes (both newly built
and existing homes), hospitals, schools, offices, etc. |
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