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Towards a (More) Electronic Transmission and Distribution (eT&D)
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作者 Don Tan Damir Novosel 《CES Transactions on Electrical Machines and Systems》 2017年第1期15-25,共11页
The challenges and the path towards a(more)electronic transmission and distribution(eT&D)is presented in this paper.The challenges are first identified together with key stakeholders in the drive for grid moderniz... The challenges and the path towards a(more)electronic transmission and distribution(eT&D)is presented in this paper.The challenges are first identified together with key stakeholders in the drive for grid modernization.A fundamental question is then asked about the investment priority.Six basic characteristics are reviewed,leading to the composition of structured microgrids as the basic functional cell of a modern grid.One example of fractal radial structure and one fractal meshed structure are presented.The likely evolution path is then proposed together with basic technology sets.Specific foundation technologies are discussed in detail,including adiabatic power conversion,3MC technology,medium voltage conversion,distribution-level electronic power transformer and FACTs hardware integration,and back-to-back converters as a universal interconnect element.The rapidly emerging on-wire sensing technology is also discussed.It is pointed out that the distribution-level large electronic power transformer will provide a key component to enable hybrid ac/dc grid flow control and ancillary support for a flexible electronic transmission and distribution(eT&D)systems. 展开更多
关键词 all things grid connected electric power systems electronic transmission&distribution(eT&D) energy solutions flexible electronic transmission systems(FETS) grid modernization large electronic power transformers 3MC converters renewable energy.
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Electronictization-A Foundation for Grid Modernization 被引量:1
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作者 Don Tan 《Chinese Journal of Electrical Engineering》 2015年第1期1-8,共8页
Smart grid is the flag under which the US DoE has been mobilizing efforts to modernize the grid.Electronictization is the first step towards a smart modern grid.It is a process that transforms the grid from electrical... Smart grid is the flag under which the US DoE has been mobilizing efforts to modernize the grid.Electronictization is the first step towards a smart modern grid.It is a process that transforms the grid from electrical and electromechanical(EE)to electronic,electrical and electromechanical(EEE),laying down the very basic foundation for the modern grid.All things grid connected(ATGC)has five groups of essential hardware:1)Grid interface(smart)inverters;2)Hardware for flexible AC transmissions;3)Intelligent electronic power transformers(grid scale);4)Solid-state circuit breaker,current limiters,smart fuses and sensors;and 5)Multi-port bidirectional power&control units.Development and deployment of ATGC will be a grassroots drive to transform the grid from an old passive technology to a new active technology based on electronic power transmission,distribution,processing and protection.Grid modernization represents a win-win-win situation for the environment(Government),consumers,and grid owners/operators. 展开更多
关键词 Grid modernization electronictization fractal grid structure energy system resiliency fault management fault isolation renewable energy integration all things grid connected
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