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Abstract—A modern power grid needs to become smarter in# q3 j* _; {$ e( `6 T) ?0 o7 g/ m
order to provide an affordable, reliable, and sustainable supply
# U, @; i3 J" P* F! g8 pof electricity. For these reasons, considerable activity has been
8 i9 q3 ]* Z, e, b3 M$ l( N: Hcarried out in the United States and Europe to formulate and
/ P& Q$ Q: J, z/ J2 `" kpromote a vision for the development of future smart power grids.5 g6 J s; I/ u; H/ k p/ E8 z
However, the majority of these activities emphasized only the
$ ?# }7 Z- W- A1 l" O3 a* [0 Udistribution grid and demand side leaving the big picture of the4 P+ @; d) [# z/ I; a
transmission grid in the context of smart grids unclear. This paper0 m8 i0 q% [# m7 S2 P: L
presents a unique vision for the future of smart transmission grids
/ p6 }$ [) A5 ]* Z5 [. M7 J( Y' ein which their major features are identified. In this vision, each& H5 c1 E I" c( |/ h! _) D3 k
smart transmission grid is regarded as an integrated system that
. S/ W2 V4 d" K9 B: V5 @8 R) lfunctionally consists of three interactive, smart components, i.e.,( X+ N9 I2 X0 w$ w/ c& \" g* T
smart control centers, smart transmission networks, and smart
8 h3 n' @ H5 d* ^# D: k7 {substations. The features and functions of each of the three func-
' Y M( V- c7 g, o6 O+ W1 Htional components, as well as the enabling technologies to achieve- k2 V1 W* l/ }) a! ^5 z0 f, G
these features and functions, are discussed in detail in the paper.
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Author:# I7 [' j/ b9 N [6 C5 U
Fangxing (Fran) Li (M’01-SM’05) received the Ph.D. degree from Virginia$ F7 S1 ~, g& R Y" {) M a& r
Tech in 2001.9 I" T, O" o$ f( a$ T1 \' p6 _/ ~( R
He was with ABB, Raleigh, NC, as a Senior and then a Principal Engineer for
1 m& C7 w) z0 ^1 E3 x- Tfour and one-half years. He has been an Assistant Professor at the University of+ h( u! q3 X L8 ^
Tennessee (UT), Knoxville, since August 2005. His research interests include
$ ]- d! ]) v) M/ Ienergy market, reactive power, distributed energy and distribution systems, re-: C% e* m) J- s" R
liability, and computer applications.
! V$ `# T( e" n' [" \) e G% \2 [! CDr. Li is a Registered Professional Engineer in the State of North Carolina.9 b# m: [' ~$ s7 {4 {0 v' V6 ^9 z
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