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Annual Report 2015
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NOWITECH
Norwegian Research Centre for Offshore Wind Technology
Result
TRL Impact
1 Numerical model of the influence of slot
harmonics on magnetic vibrational forces in
PM generators
4 Identify generator designs with low vibrational forces which will
allow reduction in total generator mass
2 Power System Simulation Tool (PSST), software
simulation tool
3 The tool can be used to assess future scenarios for wind power
integration, concerning cost of energy, nodal prices, grid
bottlenecks, benefit of grid reinforcements etc.
3 Net-Op, software simulation tool
3 Tool for optimising offshore grid layout, taking into account
variability in wind power, demand and prices. It can be used to
identify economic offshore wind farm clustering and grid structures
4 Viper, software engineering tool
3 Engineering tool for estimating energy production for an offshore
wind farm. It can be used together with electrical models in order to
optimise offshore wind farm layout.
5 Electrical laboratory with multiple converters,
cable emulators and wind farm emulator
4 The laboratory can be used to demonstrate technical solutions
and validate numerical models for grid connection and control of
offshore wind farms, including multi-terminal HVDC set-ups
6 Operational strategies for integration of wind
power with oil and gas platforms
3 This knowledge can improve profitability and reduce risks for off-
shore oil and gas platforms powered partially by wind energy.
7 Control of floating offshore wind turbines,
advanced strategies and algorithms
3 Smart control systems for load mitigation and structural
stabilization are important for optimal production of power and
cost reduction.
8 Design strategy and tools for systematic
investigation of different ironless PM generator
concepts
3 This knowledge and tools can be used to achieve integrated
generator design with minimal weight per MW
9 Library of wind turbine models for electrical
studies
2 Ready to use models for analyses of grid integration, control and
stability
10 Controls for grid connection of offshore wind
via multi-terminal HVDC grid, algorithms and
models
4 Cost-effective deployment of offshore wind in the North Sea,
benefits from efficient and reliable sharing of offshore transmission
infrastructure
11 Grid model reduction, algorithm and software
tool
2 Create simplified, equivalent power flow models that obscures
sensitive information and reduces complexity, for simulation of
large grids with hundreds/thousands of buses
12 STAS, integrated linear state space model for
wind farm, software model
2 Fast engineering model to assess wind farm level control strategies
13 Long distance AC cable parameter
optimisation tool
1 Optimise parameters and operational strategy for long distance
HVAC cables – stretching the limits of HVAC transmission
14 Wide-band model of wind farm collection
grids
2 Apply in wideband frequency analysis to understand resonance
phenomena, harmonics etc in 33 kV and 66 kV grids
15 Software/Method: SINTEF ER - Internal wind
farm grid assessment tool
1 Optimise/compare internal wind farm grid design
Table 6: New models, methods, processes and technology in development.
NOWITECH INNOVATIONS 2015 WPC