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Object 93

• AC asynchronous generator
• AC electrical transmission system
• AC synchronous generator
• active yaw system
• aluminum blade
• atmosphere
• blade
• boat landing
• brake
• cable endpoint
• chassis
• composite blade
• converter
• cooling system
• cylinder segment
• DC electrical transmission system
• DC generator
• decommission crew
• direct drive train
• downwind HAWT
• drive train
• electrical cable
• electrical collection system
• electrical connection system
• electrical transmission system
• environment
• existing infrastructure
• fixed speed rotor
• floating
• gearbox
• geared drive train
• generator
• generator rotor
• generator stator
• gravity base
• grout
• HAWT
• high-speed shaft
• hub
• hub cover
• hub housing
• jacket
• jacket off-shore platform
• low-speed shaft
• met mast
• monopile
• monopile segment
• monopile substructure
• nacelle
• nacelle cover
• ocean
• off-shore platform
• OWES
• OWES on-shore premises
• OWF
• OWF installation team
• OWF maintenance crew
• passive yaw system
• pitch bearing
• pitch controller
• pitch motor
• pitch system
• reactive compensation device
• RNA
• RNA assembly team
• rotor
• rotor bearing
• scour protection
• seabed
• shunt reactor
• site
• substation
• substation switchgear
• substructure
• support structure
• switchgear
• tower
• tower segment
• transformer
• transition piece
• tri-pile
• tripod
• upwind HAWT
• variable speed rotor
• VAWT
• WT
• WT switchgear
• yaw bearing
• yaw brake
• yaw controller
• yaw drive
• yaw motor
• yaw system

Procedure 6

• OWF decommissioning
• OWF installation
• OWF maintenance
• project development
• RNA assembly
• WT maintenance

Attribute 104

• atmospheric state
• blade geometry
• blade state
• blade structure
• boat landing cost
• cable endpoint state
• cylinder segment state
• cylinder segment structure
• decommissioning cost
• double sided ring with single hub
• efficiency
• electrical cable cost
• electrical cable state
• electrical cable structure
• electrical collection system cost
• electrical collection system layout
• electrical collection system structure
• electrical connection system cost
• electrical connection system state
• electrical connection system structure
• electrical transmission system structure
• generator rotor state
• grout cost
• grout structure
• hub structure
• installation cost
• jacket off-shore platform cost
• jacket structure
• material of jacket
• material of monopile
• material of tower
• material of transition piece
• material of tri-pile
• material of tripod
• met mast cost
• monopile cost
• monopile state
• monopile structure
• multi hub ring
• nacelle structure
• O&M cost
• ocean currents
• ocean state
• ocean structure
• off-shore platform cost
• OWES cost
• OWES on-shore premises cost
• OWES state
• OWES structure
• OWF cost
• OWF health
• OWF installation structure
• OWF layout
• OWF maintenance cost
• OWF maintenance structure
• OWF state
• OWF structure
• project development cost
• radial network with single hub
• RNA cost
• RNA structure
• rotor state
• rotor structure
• scour protection cost
• seabed structure
• shunt reactor cost
• shunt reactor state
• shunt reactor structure
• single return with single hub
• single sided ring with single hub
• site location
• site regulations
• site structure
• star cluster with single hub
• storm
• structure of monopile substructure
• structure of the support structure
• substation state
• substation structure
• substructure cost
• support structure cost
• switchgear cost
• switchgear state
• tower cost
• tower structure
• transformer cost
• transformer structure
• transition piece cost
• transition piece structure
• tri-pile structure
• tripod structure
• turbulence
• wake turbulence
• wake wind
• waves
• wind
• wind shear
• WT cost
• WT failure
• WT health
• WT reliability
• WT state
• WT structure
• yaw system state

Phenomenon 1

• wake

Variable 812

• 15 percentile sieve size of rock
• 15 percentile sieve size of rock in armour layer
• 15 percentile sieve size of rock in filter layer
• 15 percentile sieve size of rock or soil below filter layer
• 50 percentile sieve size of rock in filter layer
• 50 percentile sieve size of rock or soil below filter layer
• 50 percentile sieve size of soil or rock
• 50% passing nominal diameter
• 85 percentile sieve size of rock
• 85 percentile sieve size of rock in filter layer
• 85 percentile sieve size of rock in filter layer i
• 85 percentile sieve size of rock or soil below filter layer
• 90 percentile sieve size of soil
• AC Transformers cost
• access vessel cost
• Accommodations cost
• active soil pressure coefficient
• actualised costs without bottom lease and infield cable costs
• actualised total bottom lease costs
• actualised total energy yield without electrical and array losses
• actualised total infield cable costs
• Aerodynamic Accessories - Ancillary Equipment cost
• Aerodynamic Accessories - Blade cost
• aerodynamic drag force on cylinder segment
• air density
• ambient TI
• amplification of wave water particle velocity
• amplitude of seabed orbital motion
• amplitude of seabed orbital velocity
• Anchorage - Ancillary Equipment Array Cable cost
• Anchorage - Ancillary Equipment Export Cable cost
• Anchors cost
• Ancillary Equipment - Control & Communication System cost
• Ancillary Equipment - Tower Module cost
• Ancillary Equipment Array Cable cost
• Ancillary Equipment Export Cable cost
• Ancillary Systems - Offshore Substation cost
• Ancillary Systems - Onshore Substations cost
• angle between waves and current
• annual energy production
• Annual Lease Payments cost
• annual loss in electrical infrastructure
• area occupied by wind farm
• area of the site
• armour loss factor
• armour thickness
• Array Cable System - Balance of Station (BOS) cost
• Array Cable System - BOS unscheduled maintenance cost
• Array Cable System Commissioning cost
• Array Cables - Array Cable System cost
• Array Cables - Assembly & Installation cost
• array efficiency
• Assembly & Installation cost
• Assembly Areas cost
• Auxiliary Electrical System cost
• average wind speed
• average work in progress time for lifting activities
• axial force normal stress in monopile
• axial force stress reduction factor
• axial induction factor
• Balance of Station (BOS) cost
• Ballast System cost
• Bearings cost
• bedding thermal resistivity
• bedding thickness
• Bend Restrictors - Protection Array Cable cost
• Bend Restrictors - Protection Export Cable cost
• Bend Stiffeners - Protection Array Cable cost
• Bend Stiffeners - Protection Export Cable cost
• bending moment normal stress in monopile
• bending moment on support structure
• bending moment stress reduction factor
• binder thickness
• Blade cost
• blade length
• blade taper
• boat landing procurement cost
• Bond cost
• BOS scheduled maintenance cost
• BOS unscheduled maintenance cost
• bottom lease cost
• Brake cost
• Braking System cost
• breaking wave height
• Buildings/Facilities cost
• Buoyancy Modules - Ancillary Equipment Array Cable cost
• Buoyancy Modules - Ancillary Equipment Export Cable cost
• cable endpoint pair
• cable endpoint power flow
• capacitance of electrical cable per unit length
• capacity factor
• Capital Expenditures (CapEx) cost
• Civil Infrastructure cost
• Closing Costs cost
• Coating cost
• Coatings cost
• collection cable removal cost
• collection cables installation cost
• collection cables installation fixed cost
• Communication System cost
• Communications cost
• Condition Monitoring cost
• Condition Monitoring System cost
• conductor screen thickness
• conductor temperature rise
• Conductors cost
• Connecting Hardware cost
• Connectors - Ancillary Equipment Array Cable cost
• Connectors - Ancillary Equipment Export Cable cost
• Construction Financing Costs cost
• Construction Management cost
• Control & Communication System - Ancillary Systems cost
• Control & Communication System - Electrical Module cost
• Converter Auxiliaries cost
• Converter Power Bus cost
• Cooling System - Gearbox cost
• Cooling System - Generator cost
• costs for year t
• costs of access vessel rental
• costs of consumables per maintenance visit
• costs of consumables per repair of WT failure
• costs of foundation installation
• Cranage cost
• crew deployment efficiency
• critical compressive stress
• critical compressive stress according to theory of elasticity
• critical Shields parameter
• crosswind distance
• cut-in wind speed
• cut-out wind speed
• cylinder segment base height
• cylinder segment base outer diameter
• cylinder segment length
• cylinder segment taper slope
• cylinder segment wall thickness
• cylinder segment wall thickness at which Euler buckling would occur
• cylinder segment yield stress
• Damping System cost
• DC Convertor cost
• De-icing system cost
• Deck cost
• decommissioning cost
• decommissioning cost excluding management
• Dedicated O&M Vessel cost
• depth averaged current velocity
• Development cost
• diameter of outer serving
• diameter of the armour
• diameter of the binder
• diameter of the conductor
• diameter of the conductor screen
• diameter of the insulation
• diameter of the insulation screen
• dielectric cable loss per unit length
• Diesel Generator Back Up cost
• dimensionless grain size
• distance from harbour to boundary of wind farm
• distance to coast
• downtime due to failures of type j during storm and catch-up period
• downtime due to preparation for type j in storm and catch-up period
• downtime due to waiting for lifting equipment
• downtime due to waiting for lifting equipment to do n repairs
• downtime due to waiting list in steady state
• downtime during preparation of repair of a WT failure
• downtime during preparations for failures of type j in steady state
• downtime during preventive maintenance
• downtime during work in progress for failures of type j in steady state
• downtime of failures of type j that happen during a storm
• downtime of previously failed turbines during batch i
• downtime of turbines that fail during batch i
• downtime turbine i , failure type j , storm cycle s and failure k
• downwind distance
• drag coefficient of the support structure
• Drives & Bearings cost
• Drivetrain & Nacelle cost
• Drivetrain Module - Wind Turbine cost
• Drivetrain Module - Wind turbine unscheduled maintenance cost
• Drivetrain Support Structure cost
• Drop Cable cost
• Ducting System - Protection Array Cable cost
• Ducting System - Protection Export Cable cost
• Due Diligence cost
• dune crossing installation cost
• duration of repair batch i
• dynamic force
• ECN Install set of WTs
• ECN Install WT type
• effective TI at hub height
• efficiency of electrical network
• Electric Conversion Equipment cost
• Electric Module cost
• electrical cable active current
• electrical cable ambient temperature
• electrical cable burial depth
• electrical cable copper mass
• electrical cable cross section
• electrical cable insulation mass
• electrical cable insulation maximal temperature
• electrical cable length
• electrical cable power loss
• electrical cable power loss factor
• electrical cable procurement cost
• electrical cable rated voltage
• electrical cable reactive current
• electrical cable resistivity at 20°C
• electrical cable total current
• electrical cables procurement cost
• electrical connection system installation cost
• electrical connection system procurement cost
• electrical connection system removal cost
• Electrical Conversion Equip. cost
• electrical efficiency
• Electrical Module cost
• Electrical Module IATC cost
• Electrical Services cost
• Electrical System cost
• Enclosure cost
• Engineering Certification cost
• Engineering cost
• Entrance/Exit Fees cost
• Environmental Monitoring - Health, Safety and Environmental Monitoring cost
• Environmental Monitoring - Health, Safety, & Environmental Monitoring cost
• Equipment Support cost
• equivalent availability factor
• equivalent geometrical imperfection
• Euler force for cantilever beam according to theory of elasticity
• Exit Hatch cost
• exponent of storm fraction function
• exponent of storm length function
• Export Cable System - Balance of Station (BOS) cost
• Export Cable System - BOS unscheduled maintenance cost
• Export Cable System Commissioning cost
• Export Cables - Assembly & Installation cost
• Export Cables - Export Cable System cost
• External Lighting cost
• Fabrication Facilities cost
• Facilities cost
• factor on wage for number of shifts per day
• factor on wage for shift length
• Fasteners - Blade cost
• Fasteners - Substructure cost
• Fasteners - Tower System cost
• FEED cost
• Filtering System cost
• Financial Closing Costs cost
• Fire Protection System cost
• fishing zone
• fixed installation costs
• force in wind direction parallel to horizontal on support structure
• Foundation - Foundations & Substructures Assembly & Installation cost
• Foundation - Substructure & Foundation cost
• Foundation - Substructure & Foundation Offshore substation cost
• foundation removal cost
• Foundations & Substructures Assembly & Installation cost
• Foundations cost
• foundations installation cost
• free stream wind direction
• free stream wind speed at height of interest
• free stream wind speed at hub height
• free stream wind speed at reference height
• free stream wind speed probability mass function conditional on direction
• free stream wind velocity
• Frequency Converter cost
• frequency of alternating current
• friction speed
• Fuel Tanks cost
• Gearbox cost
• Gears cost
• General and Administrative cost
• Generator cost
• generator speed
• Geotechnical & Geophysical Surveys cost
• gravitational acceleration at sea level
• gravity force on cylinder segment
• grid cable rated voltage
• grid charge cost
• grout mass
• grout procurement cost
• Grout, Grout Lines, & Seals cost
• harbour and navigation
• harbour use for installation cost
• Health and Safety Monitoring cost
• Health, Safety and Environmental Monitoring cost
• Health, Safety Monitoring cost
• Health, Safety, & Environmental Monitoring cost
• height of interest
• Helicopter Deck cost
• High Speed Shaft and Braking System cost
• High Speed Shaft cost
• High Voltage Switchgear cost
• Housing cost
• Hub cost
• hub height
• Hub System cost
• human activities
• hydraulic roughness length
• Hydraulics cost
• hydrodynamic drag force on cylinder segment
• hydrodynamic inertia force on cylinder segment
• inductance
• inertia coefficient of the support structure
• infield cable rated voltage
• insulation screen thickness
• insulation thermal resistivity
• insulation thickness
• Insulators cost
• insurance cost
• Insurance During Construction (IDC) cost
• Integration, Assembly, Test, and Checkout cost
• Interconnection & Power Marketing cost
• Interconnection Studies & Fees cost
• Internal Environment cost
• Internal Maintenance Hoist cost
• investment costs procurement transformer
• J-tube cost
• J-tube Seals - Protection Array Cable cost
• J-tube Seals - Protection Export Cable cost
• Kármán's constant
• Keulegan-Carpenter number
• kinematic viscosity of water
• Ladders cost
• Laminates cost
• Landfall Operations cost
• Laydown Area cost
• Laying/Trenching - Array Cables cost
• Laying/Trenching - Export Cables cost
• Lease Acquisition Activities cost
• Legal Support cost
• length of overlap between monopile and transition piece
• lifetime number of preventive maintenance actions
• lifetime O&M cost
• Lightening protection cost
• Lightning Protection System cost
• loaded power loss in electrical infrastructure at rated power
• loaded power loss in transformer at rated power
• Long Term Service Agreement cost
• Low Speed Shaft cost
• Low Speed Shaft and Main Bearing System cost
• LPC
• Lube System cost
• Lubrication System cost
• Main Bearing cost
• Main Transformer cost
• maintenance cost
• Maintenance cost
• maintenance lifting equipment rental cost
• maintenance personnel cost
• maintenance subsea inspection cost
• Marine Coatings - Outfitting Steel cost
• Marine Coatings - Substructure cost
• Marine Systems cost
• material density
• maximum shear stress due to current and waves
• maximum stress in monopile
• mean shear stress due to current and waves
• Measurements cost
• Medium Voltage Switchgear cost
• Messenger Lines & Buoys - Ancillary Equipment Array Cable cost
• Messenger Lines & Buoys - Ancillary Equipment Export Cable cost
• Messenger lines & buoys cost
• met mast installation cost
• met mast procurement cost
• Met Station cost
• Met Station Installation cost
• military area
• Miscellaneous cost
• modulus of elasticity cylinder segment
• moment due to aerodynamic drag force on cylinder segment
• moment due to eccentricity RNA center of mass
• moment due to hydrodynamic drag force on cylinder segment
• moment due to hydrodynamic inertia force on cylinder segment
• monopile mass
• monopile procurement cost
• monopile wall thickness
• Mooring Lines cost
• Nacelle Auxiliaries cost
• nacelle mass
• Nacelle Module - Wind Turbine cost
• Nacelle Module - Wind turbine unscheduled maintenance cost
• Nacelle Module IATC cost
• Nacelle Sensors cost
• Nacelle Structure cost
• no-loaded power loss in electrical infrastructure
• no-loaded power loss in transformer
• normal stress due to axial load
• normal stress due to bending moment
• Nose Cone cost
• number of blades
• number of cable terminations
• number of crews per shift
• number of failures of type j
• number of failures of type j , after storm
• number of failures of type j during repair batch i
• number of failures of type j during steady state
• number of failures of type j during storm and catch-up period
• number of failures that require lifting equipment
• number of individuals
• number of lines
• number of mobilisations of lifting equipment for n repairs
• number of mobilisations of lifting equipment per year
• number of operational turbines during the steady state
• number of passengers per vessel
• number of people per crew
• number of shifts per day
• number of storms during lifetime of wind farm
• number of sub-batches of repair batch i
• number of substation hubs
• number of switchboard panel sections
• number of switchgear cubicles at grid connection point
• number of switchgear cubicles at infield side of platform
• number of switchgear cubicles at transmission side of platform
• number of switchgear cubicles in WTs
• number of transformers at each voltage rating
• number of turbines with failures of type j at start of repair batch i
• number of vessels
• number of WTs
• number of WTs in branch upstream of the position in the cable
• O&M cost
• O&M cost excluding management
• O&M Equipment Purchases cost
• Ocean Monitoring cost
• off-shore platform procurement and installation cost
• Offshore Accommodations Platform - Assembly & Installation cost
• Offshore Accommodations Platform - Other Infrastructure cost
• Offshore Substation - Balance of Station (BOS) cost
• Offshore Substation - BOS unscheduled maintenance cost
• Offshore Substation Assembly & Installation cost
• oil and mining zone
• On-board Crane cost
• Onboard Crane cost
• Onshore Electric Infra. Commissioning cost
• Onshore Electric Infra. cost
• Onshore Electric Infrastructure Assembly & Installation cost
• Onshore Electric Infrastructure cost
• Onshore O&M Facilities cost
• Onshore Substation cost
• Onshore Substation IATC cost
• Onshore Substations cost
• Operating Equipment & Facilities Lease cost
• Operating Insurance cost
• Operational Expenditures (OpEx) cost
• operations administration cost
• operations cost
• Operations cost
• Other Infrastructure - Balance of Station (BOS) cost
• Other Infrastructure - BOS unscheduled maintenance cost
• outer diameter of monopile
• outer diameter of tower
• outer serving thermal resistivity
• outer serving thickness
• Outfitting Steel - Substructure & Foundation cost
• Outfitting Steel - Topside cost
• Overhead Lines cost
• Overhead Transmission Lines cost
• OWES auxiliaries installation cost
• OWES auxiliaries procurement cost
• OWES CAPEX
• OWES CAPEX excluding management
• OWES installation cost
• OWES on-shore premises procurement cost
• OWES procurement cost
• OWF age
• OWF availability configuration
• OWF availability factor
• OWF available wind power
• OWF design life
• OWF installation plan
• OWF installation plan step
• OWF power conversion factor
• OWF power output
• OWF power output limit
• OWF rated power
• Paint and coatings cost
• passive soil pressure coefficient
• Permit Acquisition Activities cost
• Permitting & Leasing cost
• permittivity of insulation material
• Personnel Access and Survival Equipment cost
• Personnel Access System cost
• phase angle between charging and capacitive current
• pile clamping depth below mudline
• Piles cost
• pitch angle
• Pitch Cabinet cost
• Pitch Drive cost
• Pitch System cost
• Poisson's ratio of cylinder segment
• polyethylene sheath thickness
• Port & Staging cost
• Port Fees cost
• Port Improvements cost
• position in cable
• Power Circuit cost
• power coefficient
• Power Conditioning cost
• power curve
• Power Electrical System cost
• power loss in shunt reactor
• Power Marketing cost
• power rating of offshore shunt reactor
• power rating of onshore shunt reactor
• power rating of shunt reactor
• power rating of transformer
• Pre-FEED cost
• preventive maintenance consumables cost
• price of electricity
• Pricing Effects - Array Cable System cost
• Pricing Effects - Export Cable System cost
• Pricing Effects - Offshore Substation cost
• Pricing Effects - Onshore Electric Infrastructure cost
• Pricing Effects - Substructure & Foundation cost
• Pricing Effects - Wind Turbine cost
• Primary Structure cost
• probability of being down and on the waiting list during steady state
• probability of mobilising hoisting equipment for n repairs
• Procurement cost
• production losses due to failures
• Professional Advisory Services - Development cost
• Professional Advisory Services - Operations cost
• Profit (if private developer) cost
• Profit (if private operator) cost
• Profit cost
• Profit Margin cost
• Project Certification cost
• Project Contingency Budget cost
• project development investment costs
• Project Management during Construction cost
• Project Management during Development cost
• Project Management during Operations cost
• Protection - Array Cables cost
• Protection - Export Cables cost
• Protection Array Cable cost
• Protection Export Cable cost
• Public Outreach cost
• Quayside Docking Fees cost
• Railings cost
• reactive current in shunt reactor
• real interest rate
• recreational zone
• reference height
• relative slenderness ratio for buckling
• relative slenderness ratio for global stability
• relative wall thickness
• removal costs offshore platform and met mast
• repairs consumables cost
• Reserve Accounts (MRA, DSRA) cost
• resistance per unit length
• resistance per unit length at 20°C
• resistance per unit length excluding sheath and armour loss
• resistive cable loss per unit length
• revenues for year t (outside sales of electricity)
• RNA disposal cost
• RNA installation cost
• RNA installation off-shore works cost
• RNA mass
• RNA on-shore transport cost
• RNA procurement cost
• RNA procurement cost warranty percentage
• RNA procurement cost without warranty
• RNA removal cost
• Root Structure cost
• Rotor cost
• rotor diameter
• rotor mass
• Rotor Module - Transportation cost
• Rotor Module - Wind Turbine cost
• Rotor Module - Wind turbine unscheduled maintenance cost
• rotor power
• rotor radius
• rotor rotational speed
• rotor swept area
• Safety and Security Systems cost
• Safety System cost
• Salaries - Project Management during Construction cost
• Salaries - Project Management during Development cost
• Salaries - Project Management during Operations cost
• Sales, General, & Administrative - Project Management during Construction cost
• Sales, General, & Administrative - Project Management during Development cost
• Sales, General, & Administrative - Project Management during Operations cost
• Sandwich Core cost
• Scour Protection - Protection Array Cable cost
• Scour Protection - Protection Export Cable cost
• Scour Protection - Foundations & Substructures Assembly & Installation cost
• Scour Protection - Substructure & Foundation Offshore substation cost
• Scour protection cost
• scour protection procurement cost
• scour protection removal cost
• Seabed Protection Mats - Protection Array Cable cost
• Seabed Protection Mats - Protection Export Cable cost
• second moment of area of tower
• Self-Supporting Towers with Insulators cost
• Sensors - Gearbox cost
• Sensors - Generator cost
• Sensors - High Speed Shaft and Braking System cost
• Sensors - Low Speed Shaft and Main Bearing System cost
• Sensors - Pitch System cost
• set of collection cables
• set of electrical cables
• set of substation cable endpoints
• set of transmission cable grid endpoints
• set of transmission cables
• set of WT failures
• set of WTs
• shear stress due to current
• shear stress due to waves
• sheath loss factor
• sheath thermal resistivity
• sheath thickness
• Shield Wire cost
• shift duration
• shift interval
• shunt reactor efficiency
• shunt reactor procurement cost
• Shunt Reactors cost
• sieve size of rock
• sieve size of rock or soil
• significant wave height
• significant wave height for accessibility with reference access method
• Site Characterization cost
• site clearance cost
• Siting & Scoping cost
• Soft Costs cost
• soil density
• soil submerged unit weight
• soil thermal resistivity
• Spar/ Spar Box cost
• speed of vessel
• Stator cost
• steel price
• storm fraction
• storm fraction for reference access method
• storm length
• stress reduction factor
• Structural & Mechanical cost
• Structure cost
• Studies & Surveys cost
• Substation Commissioning cost
• Substation Electrical Conversion Equip IATC cost
• substation power loss
• Substation Substructure & Foundation IATC cost
• Substation Topside & Foundation IATC cost
• substation transformer procurement cost
• Substructure - Foundations & Substructures Assembly & Installation cost
• Substructure - Offshore Accommodations Platform cost
• Substructure - Offshore Substation Assembly & Installation cost
• Substructure - Substructure & Foundation cost
• Substructure - Substructure & Foundation Offshore substation cost
• Substructure & Foundation - Balance of Station (BOS) cost
• Substructure & Foundation - BOS unscheduled maintenance cost
• Substructure & Foundation Commissioning cost
• Substructure & Foundation IATC cost
• Substructure & Foundation Offshore substation cost
• Substructure Marine Systems cost
• support structure procurement cost
• Surety Bond (Decommissioning) cost
• surface roughness
• switch gear procurement cost
• switchgear power loss
• temperature difference of resistance
• Termination Kit - Ancillary Equipment Array Cable cost
• Termination Kit - Ancillary Equipment Export Cable cost
• Terminations - Array Cables cost
• Terminations - Export Cables cost
• thermal resistance between conductor and sheath
• thermal resistance between sheath and armour
• thermal resistance of outer serving
• thermal resistance of soil
• thickness of other cable layers
• thrust coefficient
• thrust curve
• thrust force
• TI
• time at beginning of catch up of repairs in storm cycle s
• time at beginning of storm in storm cycle s
• time at end of catch up of repairs in storm cycle s
• time at end of storm in storm cycle s
• time for ordering of spare parts for WT failure
• time in a day
• time needed for mobilising lifting equipment
• time of catch-up period
• time of failure number k of turbine i with failure type j
• time of repair of failure number k of turbine i with failure type j
• time of work in progress for repair of WT failure
• time to process diagnosis information of WT failure
• Topside - Offshore Accommodations Platform cost
• Topside - Offshore Substation Assembly & Installation cost
• Topside - Offshore Substation cost
• Topside Marine Systems cost
• total cable loss per unit length
• Total cost of OWF
• total downtime
• total downtime assigned to failures of type j
• total length of collection cables
• total length of transmission cables
• total normal stress in monopile
• total revenue
• total steady state time
• total structure height
• total time of access vessel rental per year
• total time that lifting equipment is in the wind farm per year
• tower height
• Tower Internal Lighting cost
• tower mass
• Tower Module - Transportation cost
• Tower Module - Wind Turbine cost
• Tower Module - Wind turbine unscheduled maintenance cost
• tower procurement cost
• Tower Structure cost
• Tower System cost
• tower wall cross section area
• tower wall thickness
• Transition Piece cost
• transition piece mass
• transition piece outer diameter
• transition piece procurement cost
• transition piece wall thickness
• transmission cable rated voltage
• transmission cable removal cost
• transmission cables installation cost
• transmission cables installation fixed cost
• Transmission Charges cost
• Transmission rights of way cost
• Transmission Towers cost
• Transportation - Array Cable System cost
• Transportation - Export Cable System cost
• Transportation - Onshore Substations cost
• Transportation - Substructure & Foundation cost
• Transportation - Topside cost
• Transportation - Wind Turbine cost
• transportation distance onshore
• travel time in wind farm
• travel time to and from wind farm
• TSR
• Turbine Commissioning cost
• Turbines cost
• twist angle
• Underground Cable System - Onshore Electric Infrastructure Assembly & Installation cost
• Underground Cable System - Onshore Electric Infrastructure cost
• Underground Cables cost
• underwater cabel
• vertical force on support structure
• Vessel Landing cost
• volume of scour protection
• waiting time before ordering lifting equipment
• wake deficit
• wake expansion factor
• Walking/Climbing Infrastructure cost
• Warranty cost
• water density
• water depth
• Water Tanks cost
• wave amplitude
• wave frequency
• wave friction factor
• wave height
• wave period
• wavenumber
• Weibull scale factor for storm length
• Weibull scale factor for storm length for reference access method
• Weibull scale parameter
• Weibull shape factor for storm length
• Weibull shape parameter
• Wharfage Fees cost
• wind profile power law exponent
• Wind Resource Analysis cost
• wind speed at hub height
• wind speed time series
• wind speed Weibull distribution
• Wind Turbine Controller cost
• Wind Turbine cost
• Wind turbine scheduled maintenance cost
• Wind turbine unscheduled maintenance cost
• winding ratio of transformer
• winding ratio substation transformer
• winding ratio turbine transformer
• work in progress time of all preventive maintenance actions
• work in progress time per preventive maintenance action
• working hours per preventive maintenance action
• WT age
• WT array efficiency
• WT availability
• WT available power
• WT decommissioning cost
• WT design life
• WT electromechanical power loss factor
• WT failure diagnosis time
• WT failure hazard rate
• WT failure MTBF
• WT failure repair lifting requirement
• WT failure repair time
• WT identifier
• WT installation cost
• WT MTBF
• WT MTTR
• WT position
• WT potential power output
• WT power conversion factor
• WT power output
• WT procurement cost
• WT rated power
• WT service interval
• WT set of failures
• WT TBF
• WT transformer procurement cost
• WT TTR
• WT wakeless power output
• WTs decommissioning cost
• WTs installation cost
• WTs procurement cost
• yaw angle
• Yaw Sensors cost
• Yaw System cost

Model 206

• aerodynamic drag force on cylinder segment
• amplification of wave water particle velocity
• amplitude of seabed orbital motion
• amplitude of seabed orbital velocity
• average for OWF availability factor
• average wind speed
• average work in progress time for lifting activities
• axial force normal stress in monopile
• bending moment normal stress in monopile
• breaking wave limit
• breaking wave limit (deep water)
• breaking wave limit (shallow water)
• cable layer thickness
• capacitance of electrical cable per unit length
• cardinality of set of WTs
• collection cables installation cost
• combined stress for comparison with critical stress
• conductor temperature rise
• conversion impact on WT power
• CP from axial induction factor
• crew for preventive maintenance sufficiency condition
• critical compressive stress
• critical compressive stress according to theory of elasticity
• critical Shields parameter
• CT from axial induction factor
• cylinder segment wall thickness at which Euler buckling would occur
• decommissioning cost
• dielectric cable loss per unit length
• dimensionless grain size
• downtime due to failures of type j during storm and catch-up period
• downtime due to preparation for type j in storm and catch-up period
• downtime due to waiting for lifting equipment
• downtime due to waiting list in steady state
• downtime during preparation of repair of a WT failure
• downtime during preparations for failures of type j in steady state
• downtime during preventive maintenance
• downtime during work in progress for failures of type j in steady state
• downtime of failures of type j that happen during a storm
• downtime of previously failed turbines during batch i
• downtime of turbines that fail during batch i
• duration of repair batch i
• dynamic force
• ECN Install
• electrical cable active current
• electrical cable insulation maximal temperature
• electrical cable power balance
• electrical cable power transfer
• electrical cable procurement cost
• electrical cable reactive current
• electrical cable total current
• electrical cables procurement cost
• electromechanical conversion impact on WT power
• equivalent availability factor
• equivalent geometrical imperfection
• Euler force for cantilever beam according to theory of elasticity
• expected downtime due to failures of type j during storm and catch-up period
• expected number of failures of type j during steady state
• expected number of failures of type j during storm and catch-up period
• FarmFlow
• gravity force on cylinder segment
• gravity wave dispersion relation
• human activity model
• hydraulic roughness length
• hydrodynamic drag force on cylinder segment
• hydrodynamic inertia force on cylinder segment
• Katić mixed wake model
• Katić mixed wake model with overlap
• Keulegan-Carpenter number
• lifetime number of preventive maintenance actions
• lifetime O&M cost
• LPC
• LPC alternative
• m129
• m130
• m132
• m133
• m134
• m137
• m139
• m142
• m143
• m144
• m145
• m150
• m152
• m154
• m155
• m156
• m157
• m158
• m159
• m160
• m163
• m164
• m165
• m166
• m168
• m170
• m39
• m40
• m54
• m68
• m72
• m73
• m74
• m77
• m97
• maximum shear stress due to current and waves
• maximum stress in monopile
• moment due to aerodynamic drag force on cylinder segment
• moment due to hydrodynamic drag force on cylinder segment
• moment due to hydrodynamic inertia force on cylinder segment
• monopile wall thickness
• normal stress due to axial load
• normal stress due to bending moment
• number of failures of type j
• number of failures of type j , after storm
• number of failures of type j during repair batch i
• number of failures of type j during repair batch i 2
• number of failures of type j during storm and catch-up period
• number of failures that require lifting equipment
• number of mobilisations of lifting equipment for n repairs
• number of operational turbines during the steady state
• number of storms during lifetime of wind farm
• number of turbines with failures of type j at start of repair batch i
• number of vessels
• O&M cost
• OWES CAPEX
• OWF available wind power
• OWF power output
• OWF power sum
• OWF rated power
• pile clamping depth below mudline
• power coefficient
• power curve algorithm
• power curve conformity
• power loss in shunt reactor
• power rating of shunt reactor
• preventive maintenance consumables cost
• probability of being down and on the waiting list during steady state
• probability of mobilising hoisting equipment for n repairs
• project development investment costs
• reactive current in shunt reactor
• relative slenderness ratio for buckling
• relative slenderness ratio for global stability
• relative wall thickness
• resistance per unit length
• resistance per unit length at 20°C
• resistance per unit length excluding sheath and armour loss
• resistive cable loss per unit length
• RNA procurement cost
• rotor swept area
• second moment of area of tower
• shear stress due to current
• shear stress due to waves
• shift interval
• storm fraction
• storm length
• stress reduction factor
• substation power balance
• substation transformer procurement cost
• sum for bending moment on support structure
• sum for force in wind direction parallel to horizontal on support structure
• thermal resistance between conductor and sheath
• thermal resistance between sheath and armour
• thermal resistance of outer serving
• thermal resistance of soil
• thrust coefficient
• thrust curve conformity model
• time of work in progress for repair of WT failure
• time to process diagnosis information of WT failure
• total cable loss per unit length
• total downtime
• total downtime assigned to failures of type j
• total length of collection cables
• total length of transmission cables
• total steady state time
• total structure height
• total time of access vessel rental per year
• total time that lifting equipment is in the wind farm per year
• tower wall cross section area
• transmission cables installation cost
• travel time in wind farm
• travel time to and from wind farm
• TSR
• union for OWF availability configuration
• union for set of electrical cables
• wake effect on WT power
• wake model
• wake speed deficit
• wave amplitude
• wave friction factor
• wave period
• Weibull scale factor for storm length
• wind profile power law
• wind-aligned coordinates
• work in progress time of all preventive maintenance actions
• work in progress time per preventive maintenance action
• WT available power
• WT failure hazard rate
• WT potential to available power output
• WT transformer procurement cost
• WTs decommissioning cost
• WTs installation cost
• WTs procurement cost
• Zaaijer maintenance model