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 Sensitivity analysis functionality calculates sensitivity factors in electrical power networks, H6 F! J2 H3 t/ v$ z& H
with either a simplified ‘DC’ linear network model or a full AC network model. The sensitivity" ?% N/ ^8 [/ P
factors include branch flow to power injection of generator or load; branch flow to phase$ I2 f/ V4 J- J/ F0 ~( P& e1 i' I
shifter angle; bus voltage to power injection of generator or load; bus voltage to transformer 8 ]+ i- r2 N0 Vtap position, etc. These values can be used in several applications:: J+ r$ N2 Y1 Y( ~3 P% H$ ~( Y* B, K
o Mitigate system operating limit (SOL) violations to meet NERC Reliability Standards.3 {4 c! M6 w+ r6 J6 ~$ k) `6 Y4 P
o Determine the loading contribution of a line due to power injection or withdrawal of ' t9 v5 H3 I1 u: Yeach generator or load. 6 a6 P( L- f2 ]% ho Estimate and provide operation strategies to increase the maximum transfer ; v0 a6 B# w: P, ?& scapability. + W1 e- {& I3 Q0 b4 H+ q: j- l The maximum number of zero sequence mutual couplings is increased from 4,000 to 6,000/ I9 E! ~* f. o4 ~" Q; C, _0 D9 L
at the 50,000 bus size level. At size levels greater than 50,000 buses, additional mutual 3 A/ ?* w# v& n3 X; A: ecouplings are allowed, with up to 13,890 permitted at the 150,000 bus size level.+ Q) Y' _& l% t
Note: A Saved Case File with more than 4,000 mutuals cannot be read by earlier releases 3 |" F- S6 N2 E% k9 G; C1 Uof version 32. / u( N+ \( V" V' d& B9 }" M All of the latest updates to the PSLF/WECC –>PSS®E file converters have been0 a) }- a \! ~- F3 ?/ D3 ^6 W+ ^
incorporated. % i% P4 D# \- Y! D( O* c( v The old style ASCC Summary Fault Currents report has been re-introduced.' E9 b" U- G$ D- R+ [
 Previous version Sequence files can now be created directly from the File > Save dialog. ! F# i/ \! T6 Y3 SSiemens Energy, Inc. * L# t* A0 e1 ?9 k9 [. ?9 Y0 C9 r Additional conductors have been added to LineProp, including optical ground wires. 7 c: R5 Y+ P* S9 D6 s The WECCLF converter has been updated in order to take into account some additional 7 R( a" V3 b1 n5 v$ s! J$ I8 wmodeling conventions, including post processing steps." E$ J! q& Q/ B" h$ a
 The WECCDS converter has been updated and is now compatible with some of the more6 I/ D% @& p3 Z2 f$ N
recent PSLF model additions.
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