本帖最后由 Tms320 于 2013-5-24 06:48 编辑 ; ]+ B( X$ y* E
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 Sensitivity analysis functionality calculates sensitivity factors in electrical power networks ! L7 F0 a" u( G8 |- }0 G7 ^% K/ gwith either a simplified ‘DC’ linear network model or a full AC network model. The sensitivity0 J# `. r0 Y% `; j+ }/ g
factors include branch flow to power injection of generator or load; branch flow to phase: |7 d+ j! v" @0 ]
shifter angle; bus voltage to power injection of generator or load; bus voltage to transformer% R4 ?1 G/ x2 _8 @% `+ t
tap position, etc. These values can be used in several applications:# U& @( c" l! {% z
o Mitigate system operating limit (SOL) violations to meet NERC Reliability Standards. ( X& h0 }( a8 d, c! v& Y4 Co Determine the loading contribution of a line due to power injection or withdrawal of4 I) z# \ ^% R6 _8 Z C
each generator or load." E& p8 Q4 x( [- i! w
o Estimate and provide operation strategies to increase the maximum transfer* j, g1 j+ k/ K/ G U; K
capability." I& h4 m6 `" f6 _* F: ^
 The maximum number of zero sequence mutual couplings is increased from 4,000 to 6,000$ p! u" w' Y/ g0 V
at the 50,000 bus size level. At size levels greater than 50,000 buses, additional mutual9 R/ o* }. @: K( Q) z" S0 @7 o
couplings are allowed, with up to 13,890 permitted at the 150,000 bus size level. * N, M) h% v1 C, m: H2 I, TNote: A Saved Case File with more than 4,000 mutuals cannot be read by earlier releases! p0 r" D- K5 _' A2 g: ]
of version 32. 9 D. y5 D; H* l All of the latest updates to the PSLF/WECC –>PSS®E file converters have been ' d' X/ W, T: y" r! fincorporated. ; Y8 {' E' X) o8 u: r v+ p& R" S/ P The old style ASCC Summary Fault Currents report has been re-introduced. , m5 _ m& S( B3 H Previous version Sequence files can now be created directly from the File > Save dialog.) N; Z% f5 h! L5 P: R& x
Siemens Energy, Inc. 0 C6 Q q" t- h% n& c$ l0 x) w/ f/ w Additional conductors have been added to LineProp, including optical ground wires. 7 z0 d. ?, T2 y& q1 j7 G The WECCLF converter has been updated in order to take into account some additional . O6 _+ Q* B" {modeling conventions, including post processing steps. $ S. s4 L; A) I; w: h The WECCDS converter has been updated and is now compatible with some of the more ( h9 @ L; M& K# h7 i! urecent PSLF model additions.
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