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 Sensitivity analysis functionality calculates sensitivity factors in electrical power networks. I( W6 W6 u, E
with either a simplified ‘DC’ linear network model or a full AC network model. The sensitivity! y+ d2 c) c5 a& q4 Y5 G3 L
factors include branch flow to power injection of generator or load; branch flow to phase $ m1 u1 A" N( v8 q( h5 oshifter angle; bus voltage to power injection of generator or load; bus voltage to transformer 5 o% v" x" v) p$ a5 M9 w* w7 r3 Wtap position, etc. These values can be used in several applications: ! j9 b$ l; f9 X5 r/ w J" ao Mitigate system operating limit (SOL) violations to meet NERC Reliability Standards.8 a. |: ]0 k* Z5 s% C& S
o Determine the loading contribution of a line due to power injection or withdrawal of7 L1 F3 ?- L7 Q. {) S! Z. q
each generator or load.. c# `: M/ E$ T
o Estimate and provide operation strategies to increase the maximum transfer " r& @; W- |- n* n7 ^5 Ncapability. 8 C3 ^" l, Z; y, K- k1 B" O* @ The maximum number of zero sequence mutual couplings is increased from 4,000 to 6,0007 H' a8 W8 N/ }: e( @+ N* z$ M% g7 N
at the 50,000 bus size level. At size levels greater than 50,000 buses, additional mutual4 F) L0 A# K" H+ b, S5 j) N* X0 K
couplings are allowed, with up to 13,890 permitted at the 150,000 bus size level.: V8 K+ L. [% l+ _) C$ H
Note: A Saved Case File with more than 4,000 mutuals cannot be read by earlier releases7 ^! Y, o- m% B% F: L% y# D
of version 32. 9 \" f1 l: y. c G3 a All of the latest updates to the PSLF/WECC –>PSS®E file converters have been 0 A5 a# E- q# v2 s- iincorporated.- N0 e/ B4 U$ p9 k; o
 The old style ASCC Summary Fault Currents report has been re-introduced.& ]4 h/ @ }: a/ O
 Previous version Sequence files can now be created directly from the File > Save dialog.2 h/ G# A x/ j
Siemens Energy, Inc. 0 G6 _' s' Y/ D' e( i) p Additional conductors have been added to LineProp, including optical ground wires. ; [" b4 Q3 d& [/ P$ e& F The WECCLF converter has been updated in order to take into account some additional5 }: [5 [ q, d: L; i0 l3 a! g) O
modeling conventions, including post processing steps.; I1 E6 r; d$ m7 y+ I+ q9 I, h
 The WECCDS converter has been updated and is now compatible with some of the more- Y. f B" V7 h9 [; C# |
recent PSLF model additions.
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