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WWP - Construction
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The WWP consists of a large Major Float floating at
the sea surface, connected by flexible lines and a rod to a piston
inside a submerged small diameter reciprocating water pump.
The WWP is anchored to the sea bed and kept vertical by a submerged Pump
Float. |
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Suction and Discharge Check Valves regulate the flow
of water into and out of the pump. |
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Pumped water is collected in a piping network run at
the sea bed and discharging into hydro-turbo generator to provide power
at required voltage and frequency. |
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The WWP needs a minimum water depth of 14 meters. |
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Installing sets of 10-Pumps would increase wave
energy extraction.
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Discharge pipes and cross
dummy piping are in integral part of the system mooring. |
WWP – Operation
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The Major Float moves up and down with the incoming.
For a 4 meter high wave the large volume Major Float develops an uplift
force up to 2,650 kilo-grams that acts on the piston of a small diameter
piston pump to extract an average of 119 liters per cycle to 50 m head.
This is equivalent to extracting 58.14 KW from a 108 KW incoming wave at
an extraction efficiency of 53.83 %. |
WWP - System Construction
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A WWP field consists of multiples of 10-Pump sets to
provide the required generator power output. |
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Installing ten sets of 10-Pumps each (total 100
pumps) occupies 13.5 by 30 meters space. Water pumped to 50 m and
generator output are shown below. |
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System costs depend upon location, power output and
Client requirements. |
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The system output in KW-Hours per year is the sum
product of generator output in KW and the respective wave height
durations in hours per year. This information would provide system
yearly gross income. |
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The above data determines system viability and
profitability. |
Detailed Drawings available upon request
Refer to Feasibility
Depends on site, sea state and load requirements.
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