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Renewable Energy 

BMT Syntek Technologies has considerable experience in state-of-the-art zonal power distribution using AC, MVDC and high frequency AC. We've designed and improved these for use in power generation and hybrid electric propulsion systems on various naval performs such as DDG-1000, DDG-51 and many R&D craft. These platforms are finite inertia power source systems with mission critical operational and performance specifications. The electric loads are individually about the same magnitude as the output power of the generators, introducing complex interactions requiring an engineering approach not usually needed in the terrestrial power grid.

As renewable energy sources like wind, wave and solar become an increasing percentage of power fed to the grid, electrical dynamics within local power distribution segments must be understood and issues resolved. These dynamics have heretofore not been an issue for the grid, but are certain to cause major problems in the near future. Examples of issues that need attention include:

• Resonances between distributed generation sources as frequency and voltage hunting occurs.
• Short term fluctuations in generated power, e.g., when a cloud passes over a PV array or as wind speed changes.
• Power loops formed between generators and large loads in the same distribution segment.
• Harmonic distortion imposed on the grid from switching power conversion devices and fluctuating power.

BMT Syntek Technologies helps power system developers, transmission entities, power plant and power market operators solve these and other problems. Our experience in naval platforms lets us approach issues from the perspective of the load, essentially turning the engineering problem on its head. We can:

• Examine the fluctuations (on the electrical "fringe") to help flatten generation curves. We will address the dynamics of distributed generation. We can help avoid buying larger generators and running expensive peaking plants.
• Help understand system behavior and design base and distribution systems that will ride through power fluctuations, even with a large renewable fraction.
• Specify local energy storage systems to minimize the effect of resonance and power fluctuation on the transmission tie.