pelamis technology

7/22/2019 Pelamis Technology

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PELAMIS TECHNOLOGY


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INTRODUCTION Pelamis wave energy is a technology that uses the

motion of the ocean surface waves to generateelectricity.

The device is known as the POINTABSORBER andcan effectively focus on the energy from wide areas byinteracting the with an area of waves.


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PRINCIPLE The waves being created by the progressive transfer

of energy from the wind as it blows over the surface

of the water.

The cylindrical structure of the converter joints is

moved due to the action of waves of the sea and

thereby creates energy.


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CONSTRUCTION

The Pelamis Wave Energy Converter is a semi-

submerged device, composed of cylindrical sections

linked by hinged joints. Each of the machine is 150m long and 3.5m in

diameters and weigh about 700 tonnes of carbon

steel.

A single device is composed of four articulatedsections joined by three power modules.


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OPERATION The wave-induced motion of these joints is resisted

by hydraulic rams.

As waves moves the joints up and down and side toside, hydraulic ram moves according to it which

pumps high pressure oil to the hydraulic motor.

The hydraulic motors drive electrical generators to

produce electricity. The generated electricity is transmitted through

power sea cable.


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WORKINGMODEL


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SUBSEA POWER CABLES

Power from all the joints is fed down a singleumbilical cable to a junction on the seabed.

Several devices can be connected together and

linked to shore through a single seabed cable.


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PROPOSAL FOR INDIA

The country that presently use the pelamis are

Portugal, Ireland, France, Spain. Estimated amount of pelamis is about 2.25MW

which currently meet the annual demand of 1500

family.

In India the current demand is more now a days so ifwe propose this pelamis in INDIA the current

demand can be easily reduced.


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ADVANTAGES No maintenance carried out at offshore site

100% available technology

No offshore intervention required

'Hands Free' operation

Lowest kWh costs in the market

High return potential


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HISTORY Pelamis technology developed by a Scottish company

called PELAMISWAVE POWER.

pelamis wave power tested their first full scale prototype at

EUROPEANMARINE ENERGY CENTRE

between 2004 and 2007.

This was the worldsfirst offshore wave power machine togenerate electricity into the grid system.


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CONCLUSION Currently there are very few power generating wave

farms although there is much talk about its potential as amajor source of power in the future.

However,as the technology becomes cheaper,more wavefarms will begin to emerge.


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PELAMIS MACHINE


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PELAMIS MACHINE(side view)


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WAVE MOORINGS


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QUERIES


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THANK YOU

pelamis technology

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