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FloatNRG
   A coordinated energy   extraction system,
From sea waves, tidal, solar and wind all floating

 

 

FloatNRG,

Coordinated Floating Energy Extraction System

Floating Wind Turbines and Islands

 

EXECUTIVE SUMMARY

CONTENTS

ABSTRACT
BACKGROUND
NEED for Floating Marine Energy Extraction
PRESENTLY USED INSTALLATIONS
PROPOSED SYSTEM and NOVELTIES
UTILIZATION
PYISICAL CHARACTERISTICS OUTPUT POWER and ENERGY
COST per KW Hour
Alternate Bids
PROPOSALS
FINANCING
PATENTS

DESCRIPTION

BACKGROUND
DESCRIPTION
FLOATING WIND TURBINE SUPPORTS
REQUIREMENTS
CONSTRUCTION and NOVELTIES
FAR-FETCHED PROPOSAL
ELEMENTS OF CONSTRUCTION
CHARACTERISTICS OF THE (TLP)
Output 1, 5x6 and 50x6 MW Wind Turbine Farms
CONSTRUCTION
DRAWINGS

ABSTRACT

The “floating energy system” (FloatNRG) is a system for extracting offshore energies from; waves, ebb/tidal currents, solar, thermal and wind as one coordinated system.

A. Energy Extraction

  1. “Floating Construction Unit”

Two types of (FCU)’s are provided, Active and Dummy.

  • (FCU-A) is an active unit providing support for wave, ebb/tidal and solar extraction equipment at a deck 6-meters above mean sea level (MSL) For handling waves up to 8-meters high. (FCU-D) is a dummy unit providing support for the (FCU-A) and solar system.
  •  
  •  (FCU-D) is a dummy unit providing support for the (FCU-A) and solar system. 
  1. “Buoyant Floats” (BF) move up and down with wave undulations.  The up and down movement is converted through a pulley system and a sprag type clutch to rotary motion to drive electric generators at the (FCU) deck. The (BF) develop a vertical force of 2.65 tons.  Three or four (BF)’s are installed in line with the incoming wave.
     
  2. Wave Kinetic energy is extracted by vertically shrouded hydro-turbine installed below the trough line of the wave, to directly drive an electric generator at the (FCU) deck.
     
  3. Ebb/Tidal Energy is extracted by adding horizontal shrouds to the (KE) hydro-turbine to provide unit-directional rotation and drive an electric generator at the deck of the (FCU).
     
  4.  Solar Energy is extracted by (PV) cells installed at the roofs of the (FCU-A) and (FCU-D).
     
  5. Wind energy is extracted using wind turbines on floating wind turbine supports.
     
  6. Fixed Floats are installed below the wave trough line provide sufficient uplift force to support the floating wind turbine, the (FCU)’s and respective equipment.
     
  7. Fixed Floats, (FCU)’s and equipment are assembled at the shoreline, floated and towed to location for mooring to the sea bed with all equipment ready for operation.
     
  8. Deep Sea Cold Water for use as Air Conditioning medium (SWAC).  Injecting compressed air into the top section of a deep water pipe develops a positive head at the cold water intake at 800m below MSL and forces the cold water up the pipe where it is de-aerated and pumped as cold water to Air Handling Units.

BACKGROUND

  • The following describes “Floating Marine Energy Extraction” system (FloatNRG).  It is an updated version of the “Coordinated Floating Energy Extraction Equipment” (COFEQ) for extracting renewable marine energies from; sea waves, ebb/tidal currents, solar and wind. 

“From:  Business Green Renewables, Issue of 14 Mar. 2017

  • Manmade islands and floating turbines chart course for lower cost offshore wind
  • Plans advance for North Sea 'Power Link' island and Irish floating wind farm, as industry continues to pursue steep cost reductions
  • Just days after fresh predictions the cost of offshore wind energy could soon undercut both nuclear and coal power, further evidence has been provided on how the industry intends to maintain its recent”...

NEED for Floating Marine Energy Extraction

The following highlight the need for a coordinated energy extraction system from: sea waves, ebb/tide currents, solar and floating wind turbines away from the shore line where sea bed depth exceeds 30 meters and where renewable energy is abundant and high, due to higher waves and higher wind speeds.

  • Rarity of Real Estate, its high costs, environmental considerations and rising wind turbine support costs at sea bed depths above 30m,
     
  • Abundance and higher marine renewable energies from waves and wind are abundant far away from the shoreline;
     
  • Scenic View is not affected by locating energy extraction equipment at far away offshore sites where seabed depths are more than 30-meters,
     
  • Fixed pylon wind turbine supports are expensive beyond 30 m sea bed depths.
     
  • Heavy Lift Marine Vessels, are needed for presently used fixed pylon wind turbine supports,
     
  • Maintenance Vessels or helicopters for operation and maintenance are needed for presently used fixed pylon wind turbine supports

PRESENTLY USED INSTALLATIONS

Presently used offshore wind turbines have the following disadvantages:

  • Fixed pylon supports anchored to the seabed are limited to sea bed depths of 30m and below, due to higher costs beyond 30m.
  • Modularity they lack modularity for ease of fabrication and construction and assembly at the shoreline.
     
  • Foot Prints they use large area.
     
  • Draft Depths more than 8m are required. 
     
  • Floating Causeway the designs do not provide a floating causeway for vehicular traffic to connect adjacent wind turbines in an offshore wind farm.
     
  • Marine Energy extraction is not provided at the floating wind turbine support. 

PROPOSED SYSTEM and NOVELTIES

Solves the deficiencies of the presently used as follows:

  • Depths higher than 30m are easily handled by the proposed floating wind turbine support.
     
  • Storm Conditions with wind speeds up to 240 Km per hour and waves up to 8m high including daily and seasonal sea level variations are easily handled.
     
  • Modular Construction Units are provided to allow ease of fabrication, and assembly at the shore line with minimum cutting or welding. They are then floated and towed to location for anchoring to the sea be with all equipment ready for operation.                                                                                                                                                      Novelty
     
  • “Tension Leg Platform” (TLP), consists of modular construction units is a submerged platform to provide floating support structure for the wind turbine and energy extraction equipment.
     
  • Marine Vessels equipped with heavy lift cranes are not needed.    Novelty
     
  • Floating Causeway for vehicular traffic is provided to connect adjacent wind turbines in a wind turbine farm for ease of maintenance and operation. Novelty
     
  • Dry Deck space is provided for installing protective electric and control equipment related to wind turbine and marine energy extraction equipment.                                                                                        Novelty

Energy Output of 3,393,476 KW-hours per year are extracted from; marine and solar energies at each floating wind turbine support as detailed below.    No other floating wind support can provide this marine energy at each floating wind turbine support.                                                                                                      Novelty

UTILIZATION

The floating wind turbine structure provides space for Floating:

  • Marine laboratory
     
  • Wind Turbine support up to 6 MW.
     
  • Power Plants conventional and substations
     
  • Bridges and Causeways.
     
  • Islands for waste management temporary storage and waste treatment plants including recycling plants.
     
  • Residential Islands.
     
  • Docks and Wharfs for large tourist ocean liners. 

In addition, the FloatNRG system provides support for the following:

The floating wind turbine structure provides space for:

  • Marine energy extraction equipment,
     
  • Electrical protection and control systems for the wind turbine electrical output,
     
  • Energy storage in the form of battery power packs,
     
  • Energy storage in the form of compressed air,
     
  • Sub stations where a wind farm is required,
     
  • Floating causeway for vehicular traffic between the floating wind turbines for ease of operation and maintenance.
     
  • Floating island for different utilizations as needed,

6MW WT PYISICAL CHARACTERISTICS, 240Km/Hour Wind

                                                                Static Per Unit Tons         Bending Moments                      Resisting Mom Ton-m

Item                        Quantity               Weight      Uplift                  Static          Dynamic       Total S+D                Total

Turbine                    1                               400              769                   16,629      132,420            ` 48.050                    31,942

Support                    1                            1,598.      299,364                  21,740          6,298             175,727                 218,161

Total                        1                            1,999         10,134                   38,009      137,727               27,677                 250,103

Spacing 200m         1                          15,609         19,200                 190,664        18,243             208,907                 232,800

Foot Print                   2,207 square meters, (45.5mx48.5m).

Draft Required                  8m required for assembly of the FloatNRG system.

 

OUTPUT Per Unit POWER and ENERGY

                                                                         KW                                              Kw-hour Per Year

Item                        Quantity               Per Unit                 Total                      Per Unit                Total

Turbine 6MW           1                         6,000                      6,000                      17,280,000           17,280,000

WT Support 6MW    1                         1,021                      1,021                        3,393,476              3,393,476

Total                                                   7,021                      7,021                      20,673,476           20,673,476

Spacing 200m         1                         3,330                      3,330                      11,121,658           11,121,658

An additional energy estimated at 19.64% is extracted at each 6MW floating wind turbine support from; wave, ebb/tide and solar energy (3,393,476/17,280,000).

OUTPUT SUMMARY POWER & ENERGY

Description         Quantity               KW PU                  KW Total              Total KWh PU / Year         Total KWh / Year

30MW WIND FARM

Turbine 6MW            5                         6,000                      30,000                   17,280,000                             86,400,000

Support, WT              5                         1,021                        5,105                      3,393,476                              16,967,380

Spacing 200m           4                         3,330                      13,322                   11,121,658                             44,486,632

Total 30 MW Wind Farm                N/A                             48,428                      N/A                                    147,853,012

300MW WIND FARM

Turbine 6MW            50                      6,000                      300,000                 17,280,000                                  864,000,000

Support, WT              50                      1,021                        51,050                   3,393,476                                 169,673,800

Spacing 200m           49                      3,330                      163,170                 11,121,658                                 544,960,997

Total 300 MW Wind Farm              N/A                            514,220                  N/A                                        1,578,634,797

OUTPUT POWER and ENERGY

  • SEA and WIND STATES
  • Wind                4 months         at         24 hours per day
  • Wave               4 months         at         24 hours per day
  • Solar                12                    at           8nhours per day
  • Tidal                12                    at         20 hours per day
  • Wind turbine spacing  200 meters

COST per KW Hour

   The given physical data, energy outputs, country, project location, project size and special requirements are sufficient for a main contractor/developer to estimate the total cost of the project and the resulting sale price of one (1) KWh.

Alternate Bids

      A good and simple practical way for proving the viability and economy of the system, is for the Client/Consultants to request Bidders to submit in addition to their Bid, an Alternate Bid using the (FloatNRG) system. 

PROPOSALS

  • A scaled model 1:25 may be developed to test the performance of the FloatNRG system in a test tank.
  • The project may be executed as 1-6MW wind turbine, or 5-6MW wind turbines of 50-6MW floating wind turbine farms.

Options

  1. Use (VAWT) instead of the (HAWT) to achieve the following:
  • Reduce the weight and size of the Nacelle with resulting reduction in the size of the floating wind turbine support.
     
  • Eliminate the limitation on the blade tip speed of the conventional (HAWT).
     
  • Reduce operation and maintenance costs.
  1. It is worth investigating relocation of the electric generator and associated protective and control gear from the Nacelle to the (FCU)-A deck at 6m above MSL.
     
  2. Add battery energy storage units at the deck of the (FCU)-A.

FINANCING

  1. Review of the project would highlight its advantages, viability and high rate of return on investment (ROI) to entice private investors. 
     
  2. Investors/Developers; once they realize the high return on investment and the need for renewable energy, they would be enticed to contact the public utility to secure a Power Purchase Agreement (PPA) to provide electric energy for a minimum period of twenty years (20) at an agreed sale price per KW-hour.  Priority to be given for renewable energy to be fed into the electric network.
  3. Once the above is secured they would form an entity of investors, public utility and developers to execute the project.
  4. Oil/Gas Developers should be made aware of this project proposal.  Their Bid Documents should include financing and/or execution the project, as it is a necessity for their operations.
  5. It would provide electric energy for their orphan platforms, provide support for their pipelines with a causeway for ease of operation and maintenance of their facilities.
  6. Oil/Gas Developers should be requested to provide the ceiling height of their platform above MSL, so that renewable energies would be provided from; sea waves, ebb/tide currents and thermal. 

In addition, deep sea cold water would be provided for air conditioning of personnel and or equipment located at the platform, if needed.

PATENTS

  • A patent was granted by the USPTO under number US 7,391,127 B2 dated Jun 24. 2008 under; RenewableEnergyWavePumps.
     
  • “Coordinated Offshore Energy Extraction” (COEE) system, for extracting energy from; waves, ebb/tides, solar and wind is are four (4) pending patents. 
     
  • “Coordinated Floating Energy Extraction Equipment” (COFEQ), including floating wind turbine supports, floating bridges and floating islands are three (3) pending patents.   
     
  • A total of eight (8) Patents Granted or Pending are in the process.
  • www.FloatNRG.com 

www.renewablenergypumps.com 

PATENTS

  • A patent was granted by the USPTO under number US 7,391,127 B2 dated Jun 24. 2008 under; RenewableEnergyWavePumps.
  • “Coordinated Offshore Energy Extraction” (COEE) system, for extracting energy from; waves, ebb/tides, solar and wind is are four (4) pending patents.
  • “Coordinated Floating Energy Extraction Equipment” (COFEQ), including floating wind turbine supports, floating bridges and floating islands are three (3) pending patents.
  • A total of eight (8) Patents Granted or Pending are in the process.

 

Changing the future