util_perspective_equip_2 - Technology Development &...

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Edris Technology Development & Applications of Power Electronics-Based Controller on Transmission Grids Aty Edris EPRI
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Edris Vision/Mission • Power electronics is one of the fastest changing “enabling infrastructure technologies” in electrical engineering. • It has made and continues to make significant impacts on power and energy infrastructures, which constitute one of the pillars of the foundation of our society and the rest of the world. • Power electronics-based controllers are the key elements for transforming the electric grid from being a “passive” to be an “active” system, i.e., flexible, controllable, securely utilizable up to its maximum capacity, and delivering power with the quality needed for a “digital” society.
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Edris Transmission Grid “Complex Machine ??” August 14 Blackout : 50+ M people 62 000 MW
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Edris Transmission Grid Issues Uncontrolled Power Flows Results are: Low power transfer capability Bottlenecks Loop flows Power and Voltage Stabilities Results are: Generator Outages Line tripping Blackouts New York Power Pool Ontario Hydro Loop flow Uncontrolled Flows
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Edris Thermal Limit Uncontrolled Power Flow Limit Stability Limit (SIL) 230 150 400 345 1200 500 900 2600 765 2200 5400 1100 5200 24000 Voltage SIL Typical Thermal (kV) (MW) Rating (MW) Thermal Limits Uncontrolled Power Flows Stability Limits << Thermal Limits Available Transmission Grid Capacity??
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Edris The “Power” of Power Electronics- Based Controllers Dynamic Power Fast voltage support Controlled compensation response
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This note was uploaded on 10/02/2009 for the course G 001 taught by Professor Shmmygr during the Spring '07 term at National Technical University of Athens, Athens.

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util_perspective_equip_2 - Technology Development &...

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