" W6 e. o& {% O) C Sensitivity analysis functionality calculates sensitivity factors in electrical power networks }& K! L4 `! @0 ]+ rwith either a simplified ‘DC’ linear network model or a full AC network model. The sensitivity# G5 l% h3 s/ `& |
factors include branch flow to power injection of generator or load; branch flow to phase6 A" K6 J# k2 g: D' J3 } c
shifter angle; bus voltage to power injection of generator or load; bus voltage to transformer ( p+ x# f; f% B1 b; \- U g$ [tap position, etc. These values can be used in several applications:! P4 U) d! h/ I1 S# W6 S b
o Mitigate system operating limit (SOL) violations to meet NERC Reliability Standards. . k1 U' D4 ~& ]- Z z5 K2 E# Z" Eo Determine the loading contribution of a line due to power injection or withdrawal of 6 ^. r& q0 U) E9 N% \each generator or load. 7 M) Y2 v: o) h$ ?% ]5 X, s# m" q7 D* Go Estimate and provide operation strategies to increase the maximum transfer* B# l+ T: {, Q
capability.5 U, Z# P u. j/ w
 The maximum number of zero sequence mutual couplings is increased from 4,000 to 6,000 5 ~0 t$ S+ o5 J7 x4 Zat the 50,000 bus size level. At size levels greater than 50,000 buses, additional mutual ' v' C4 V4 I( Y$ T3 Tcouplings are allowed, with up to 13,890 permitted at the 150,000 bus size level.( S4 Z4 I* m: h j
Note: A Saved Case File with more than 4,000 mutuals cannot be read by earlier releases , w0 k, `% W0 {8 d* T& o/ tof version 32. 4 ?2 T7 N0 g# m! t- L6 \ All of the latest updates to the PSLF/WECC –>PSS®E file converters have been0 }" M+ J% L' ]" b
incorporated.9 h% _- q2 G! O$ H
 The old style ASCC Summary Fault Currents report has been re-introduced. 5 T$ `) E7 J' P5 n/ a5 d1 x4 g Previous version Sequence files can now be created directly from the File > Save dialog. 0 q0 k' ?& e) _+ i. S, ASiemens Energy, Inc.) Z; b7 x3 i$ _8 O6 L3 \
 Additional conductors have been added to LineProp, including optical ground wires. , p7 n, h. M1 ` `7 H# j The WECCLF converter has been updated in order to take into account some additional+ `* t2 V# D f @
modeling conventions, including post processing steps.* i$ m& ]5 b8 P) y
 The WECCDS converter has been updated and is now compatible with some of the more& m0 X' i0 C$ V' P9 g) r# a
recent PSLF model additions.
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