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 Sensitivity analysis functionality calculates sensitivity factors in electrical power networks. L5 H( i- [4 ~ }% n
with either a simplified ‘DC’ linear network model or a full AC network model. The sensitivity$ P0 b: n, C7 Q8 z/ c% D2 M
factors include branch flow to power injection of generator or load; branch flow to phase X+ F6 { h9 r9 m& G* n j( T
shifter angle; bus voltage to power injection of generator or load; bus voltage to transformer # o$ `8 |' Z# a2 J# @4 gtap position, etc. These values can be used in several applications:' l0 e; }8 t* l$ \2 V! E Q/ S
o Mitigate system operating limit (SOL) violations to meet NERC Reliability Standards.8 f* j0 E3 e. W0 ]# r3 Y- v
o Determine the loading contribution of a line due to power injection or withdrawal of ; g6 q: X9 N) L4 Eeach generator or load. 4 ?4 n* C z! j5 l9 g+ M7 ?o Estimate and provide operation strategies to increase the maximum transfer . y/ w4 V) h. k" V! `capability.- j6 n. A |" r0 A2 x i; s; P
 The maximum number of zero sequence mutual couplings is increased from 4,000 to 6,0008 x" U$ Y5 m# G- \6 K
at the 50,000 bus size level. At size levels greater than 50,000 buses, additional mutual 8 H. H% _3 H: e2 acouplings are allowed, with up to 13,890 permitted at the 150,000 bus size level. ) ?" f2 F# ?. R3 ~2 c2 @/ lNote: A Saved Case File with more than 4,000 mutuals cannot be read by earlier releases7 }; w; |1 r+ Q% R- { z' H
of version 32. $ C5 Y$ z+ {* c7 A7 A) T All of the latest updates to the PSLF/WECC –>PSS®E file converters have been4 Y! t: ?2 |0 g+ Q8 L# k8 ]
incorporated.; s6 Q- I3 f, H7 s# }
 The old style ASCC Summary Fault Currents report has been re-introduced.5 t9 A; n8 a! V2 V; S; z
 Previous version Sequence files can now be created directly from the File > Save dialog.8 I% E+ `6 S Z- ?/ j
Siemens Energy, Inc. 8 D, Q% H+ l; ~" y Additional conductors have been added to LineProp, including optical ground wires. ( ?/ j2 ^* |# X The WECCLF converter has been updated in order to take into account some additional/ O, S: `2 Z% }( ~) @
modeling conventions, including post processing steps. ! p- O8 y5 i0 A# n+ I The WECCDS converter has been updated and is now compatible with some of the more% L. |$ c. _+ W- \
recent PSLF model additions.
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