Offshore Energy Harvesting

Nilanjan Mitra

Offshore platforms

Applications of Offshore platforms

• Gravity Based Structure

Jack-upJacket

Fixed platforms

Complaint Towers Guyed tower

Tension Legged platformsArticulated tower

Semisubmersible floatingstructure

Production system

Bombay High platform in Arabian Sea.

Disasters

Capsizing

Fire

Offshore oil platforms (Spar type)

Installation

Wave energy harvesting

Offshore Wind energy harvesting

WIND TOWERS

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Turbines: Different Sizes and Applications

Small (≤10 kW)• Homes (Grid-connected)

• Farms• Remote Applications

(e.g. battery changing, water pumping, telecom

sites)

Intermediate

(10-500 kW)• Village Power• HybridSystems• DistributedPower

Large (500 kW – 5 MW)• Central Station Wind Farms

• Distributed Power• Offshore Wind

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Different Types of Wind Power: Large

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Vermont Wind Farm Danish Offshore Wind Farm

Different Types of Wind Power: Small

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Water Pumper Customer-Owned Small Generator