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 Sensitivity analysis functionality calculates sensitivity factors in electrical power networks& h; h3 W0 D( M! T
with either a simplified ‘DC’ linear network model or a full AC network model. The sensitivity( B4 v: S) ^$ ^
factors include branch flow to power injection of generator or load; branch flow to phase! A5 d" x/ D" U% @
shifter angle; bus voltage to power injection of generator or load; bus voltage to transformer. M E5 R, H+ e& B& x7 ~; {
tap position, etc. These values can be used in several applications: - M5 p9 S; T, d; K3 u! H7 S! Lo Mitigate system operating limit (SOL) violations to meet NERC Reliability Standards. 8 a7 \: @: s& H+ fo Determine the loading contribution of a line due to power injection or withdrawal of7 N5 l" b4 m7 ?7 W% M$ V- t
each generator or load., D) c. N2 t' L) q9 x) L, C
o Estimate and provide operation strategies to increase the maximum transfer0 w) h5 g n5 c z
capability. ( k1 T; X2 g! s: D6 H9 I- J The maximum number of zero sequence mutual couplings is increased from 4,000 to 6,0008 b) k/ \) a* ]
at the 50,000 bus size level. At size levels greater than 50,000 buses, additional mutual " _$ J$ N5 {4 c# rcouplings are allowed, with up to 13,890 permitted at the 150,000 bus size level. 9 `. M e3 U8 M2 T! t: eNote: A Saved Case File with more than 4,000 mutuals cannot be read by earlier releases 8 H; @& j- U( b% g, Zof version 32.8 A" W! W5 B4 {
 All of the latest updates to the PSLF/WECC –>PSS®E file converters have been" V4 ?- ?( e9 K& ~
incorporated. ! n; J! [/ N8 k6 U The old style ASCC Summary Fault Currents report has been re-introduced.2 c! z3 P2 X7 d) C) u0 g
 Previous version Sequence files can now be created directly from the File > Save dialog. 7 x# M( k( X' J" J2 o1 f7 t: k+ BSiemens Energy, Inc.6 P: \0 V% Z. P
 Additional conductors have been added to LineProp, including optical ground wires.8 _# W" B8 X, y. q6 R/ M& X* w8 `
 The WECCLF converter has been updated in order to take into account some additional! M* g/ Y% [* w0 M+ N: S8 U
modeling conventions, including post processing steps. / v; S$ A( s& _7 f6 [& L3 a The WECCDS converter has been updated and is now compatible with some of the more! S U1 M+ m8 `$ i; q0 D
recent PSLF model additions.
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