Jardine Engineering Corporation www.jec.com Together we engineer a better Asia Kowloon Hospital Solar-Wind Turbine Hybrid System, Hong Kong Developer Hospital Authority, HKSAR Government JEC Scope Installation of a PV-Wind Turbine Hybrid system on the roof floor of a hospital in Hong Kong Location Hong Kong Contractor Jardine Engineering Corporation Project Completion Date 2008 JEC installed the first grid-connected hybrid solar and wind turbine system for the Kowloon Hospital, a public hospital in Hong Kong. The system takes full advantage of solar and wind power. Electricity can be generated when there is sun or wind. When there is neither sun nor wind, the hospital can draw electricity from Hong Kong’s conventional power grid, thus maintaining a stable supply of electricity. The Hybrid System Design The system consists of 108 solar photovoltaic panels and two Vertical-Axis Wind Turbines (VAWT). The system’s annual energy output is about 29,000 kWh, which saves around 22,620 kg of Carbon Dioxide. The photovoltaic panels were arranged to fully utilise the roof space. A site condition assessment was carried out at the design stage and VAWT turbines were built on the edge of the roof so that they did not take up valuable space needed for the photovoltaic panels. Benefits of VWAT over HWAT In comparison with traditional Horizontal-Axis Wind Turbines (HWAT), VWAT can capture all wind directions without needing directional adjustments and also avoids other adverse effects: VWATs require less wind to function, emit less noise, less vibrations, and do not harm wildlife (birds can be injured by HWAT). P001-0310H
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Jardine Engineering Corporationwww.jec.com
Together we engineer a better Asia
Kowloon Hospital Solar-Wind Turbine Hybrid System, Hong Kong
Developer Hospital Authority, HKSAR Government
JEC Scope Installation of a PV-Wind Turbine Hybrid system on the roof floor of a hospital in Hong Kong
Location Hong Kong
Contractor Jardine Engineering Corporation
Project Completion Date 2008
JEC installed the first grid-connected hybrid solar and wind turbine system for the Kowloon Hospital, a public hospital in Hong Kong. The system takes full advantage of solar and wind power. Electricity can be generated when there is sun or wind. When there is neither sun nor wind, the hospital can draw electricity from Hong Kong’s conventional power grid, thus maintaining a stable supply of electricity.
The Hybrid System DesignThe system consists of 108 solar photovoltaic panels and two Vertical-Axis Wind Turbines (VAWT). The system’s annual energy output is about 29,000 kWh, which saves around 22,620 kg of Carbon Dioxide. The photovoltaic panels were arranged to fully utilise the roof space. A site condition assessment was carried out at the design stage and VAWT turbines were built on the edge of the roof so that they did not take up valuable space needed for the photovoltaic panels.
Benefits of VWAT over HWATIn comparison with traditional Horizontal-Axis Wind Turbines (HWAT), VWAT can capture all wind directions without needing directional adjustments and also avoids other adverse effects: VWATs require less wind to function, emit less noise, less vibrations, and do not harm wildlife (birds can be injured by HWAT).
P001-0310H
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