本帖最后由 Tms320 于 2013-5-24 06:48 编辑 ( K& `( u1 H/ f5 q1 c W% E
- X" p" h P+ m+ x! r! u G Sensitivity analysis functionality calculates sensitivity factors in electrical power networks ! \$ a E9 d5 n# g; T" cwith either a simplified ‘DC’ linear network model or a full AC network model. The sensitivity* M# S% o; Q, e5 v
factors include branch flow to power injection of generator or load; branch flow to phase ; q7 b6 p u, Q9 w4 O6 Eshifter angle; bus voltage to power injection of generator or load; bus voltage to transformer3 A2 L s( o" g
tap position, etc. These values can be used in several applications:; k9 H4 O# m2 x
o Mitigate system operating limit (SOL) violations to meet NERC Reliability Standards. & e U+ a! \9 J- m2 c2 Fo Determine the loading contribution of a line due to power injection or withdrawal of % O3 }$ N/ G! `* ?each generator or load.; P4 M- ^0 N) _4 R! m
o Estimate and provide operation strategies to increase the maximum transfer ; n5 X% l( _5 q, F4 E# I7 jcapability.* A$ f9 ?; ^) G
 The maximum number of zero sequence mutual couplings is increased from 4,000 to 6,000 7 b+ H4 }+ W# T5 D R: Dat the 50,000 bus size level. At size levels greater than 50,000 buses, additional mutual 8 y9 P' U: w; D$ R6 A ocouplings are allowed, with up to 13,890 permitted at the 150,000 bus size level.# H4 m! e+ A [ {0 d( o+ m: W) o
Note: A Saved Case File with more than 4,000 mutuals cannot be read by earlier releases$ k1 \ D8 k' {/ R" c/ u& m
of version 32." W- N: w+ K% y: N# e+ t
 All of the latest updates to the PSLF/WECC –>PSS®E file converters have been 1 u, k! q. V. l2 K @1 E* N* rincorporated.& _) {! ?5 [1 G" B! u; \" u
 The old style ASCC Summary Fault Currents report has been re-introduced.+ q5 t" X1 v ~ P, e
 Previous version Sequence files can now be created directly from the File > Save dialog.; b% |+ Q3 ?. ]# I
Siemens Energy, Inc. ! i( @9 T: Q S8 r7 |$ ~ Additional conductors have been added to LineProp, including optical ground wires. ) e, e$ A* n7 b+ [3 a: E3 ` The WECCLF converter has been updated in order to take into account some additional i' r) C k( e9 y6 d. ]& ?# d
modeling conventions, including post processing steps.+ }. _, T5 C; s' Z
 The WECCDS converter has been updated and is now compatible with some of the more! a5 p o; e" y' E& M7 S; U: n' H: D
recent PSLF model additions.