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 Sensitivity analysis functionality calculates sensitivity factors in electrical power networks4 B f! i( k% y0 T9 ~% ^
with either a simplified ‘DC’ linear network model or a full AC network model. The sensitivity ! V3 x; `6 P9 @- xfactors include branch flow to power injection of generator or load; branch flow to phase, K( X, E& y; ^( |. y
shifter angle; bus voltage to power injection of generator or load; bus voltage to transformer5 i2 w" r* W4 Y. T4 ?
tap position, etc. These values can be used in several applications:! o1 N' ? N' M& e" y5 _( Z
o Mitigate system operating limit (SOL) violations to meet NERC Reliability Standards. $ m0 s% u/ r8 }$ y' `/ t1 ~% E/ uo Determine the loading contribution of a line due to power injection or withdrawal of m/ y9 m% R6 r6 p; F+ v6 |0 k, Keach generator or load. , N0 @. p1 w; j) n/ uo Estimate and provide operation strategies to increase the maximum transfer6 _: b, j- ~! o5 |0 r
capability.( @# Q4 M% b/ e9 r& D: N* {
 The maximum number of zero sequence mutual couplings is increased from 4,000 to 6,000+ K* ]" F ]+ v3 ]9 p3 k" O
at the 50,000 bus size level. At size levels greater than 50,000 buses, additional mutual 3 |- g4 ?& l$ z% O% M7 H- W wcouplings are allowed, with up to 13,890 permitted at the 150,000 bus size level.4 n4 H7 V6 Z w& Q3 V5 z5 v
Note: A Saved Case File with more than 4,000 mutuals cannot be read by earlier releases 7 }* l& n q- s+ G& P$ uof version 32. ) u7 U* X! n7 b+ | All of the latest updates to the PSLF/WECC –>PSS®E file converters have been$ l+ K& e0 c7 t2 h5 M% O
incorporated. 8 A3 z9 D# \7 G4 x5 `4 x The old style ASCC Summary Fault Currents report has been re-introduced.# J+ Z0 x( ?: r& n1 j% e
 Previous version Sequence files can now be created directly from the File > Save dialog. / L$ ^; S. y# v- ZSiemens Energy, Inc. 7 X$ g& o* }1 v& ~9 Z Additional conductors have been added to LineProp, including optical ground wires. 8 E9 e3 q" {& u8 h7 U% X. ^, ~. q The WECCLF converter has been updated in order to take into account some additional + d8 Z* a) P0 p& Vmodeling conventions, including post processing steps. & ~% Y2 W* _: v" B k! F The WECCDS converter has been updated and is now compatible with some of the more : o* c7 X% [9 B; j# \recent PSLF model additions.
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