+ a' t }- V# s8 F4 [/ b, r' a ~Important Compatibility Notes 2 I9 Q! Z! @1 u* X3 X: a
 PSS®E-31 SAV files are not compatible with pre-31 versions of PSS®E. % w- E8 P$ j2 Q' q0 `: ` PSS®E-31 SNP files are not compatible with pre-31 versions of PSS®E. # n Z" k( |# _) s
 PSS®E-31 SLD files are not compatible with pre-31 versions of PSS®E. 4 {; K0 [& K) D3 m1 zAs always, data files are always forward compatible. The above items deal with issues of , { j+ J, Q9 m
backwards compatibility. 4 w4 H4 Z' a( x4 n3 w; J9 [Program Enhancements % F7 p' H+ B& C" P9 iThe following program enhancements appear in PSS®E-31.1.0: - j& s+ v7 F) R& {# ]/ b Addition of the remaining three Generic Wind model types. PSS®E now has support for all 1 x0 F1 ]9 W! W6 ]
four industry-defined Generic Wind Models. Please review additional documentation $ q8 n' M/ x' S* V' I4 ^% Kdelivered with this release on these models. 5 E$ O& |& y ]; a
 Revised IEC test network sample files names from 60609 to 60909. - a+ A; m% n) L; K0 P6 G Additional messages from DYRE clarifying when compilation of models is needed. + M6 f6 Z1 p4 B7 M Added additional Dynamics models in the PSLF->PSS®E Dynamics converter program. 2 H3 `& k2 ~; ^; ?
 Added “dyntools” Python module to post process Dynamics simulation channel file output 6 n. s0 E ?* q# U0 |4 z/ S(*.out). Details of available functions can be accessed using help(dyntools) in the Command ' s; X+ p4 v& y1 O" n0 Z7 hLine Input dialog. : ^* @6 s9 H/ P5 [( F- A) F/ z
Program Corrections 0 z" u. F% D3 \The following program errors have been detected and corrected in PSS®E-31.1.0: . i5 w- T+ J, K" y
 Improved handling of Line Relay models in the GUI. $ W6 S$ s7 h# h: E
 Fixed general issues with bus subsystem definition. ; [. r2 x6 p3 U9 H7 |
 Fixed an issue where Diagram items weren’t being properly identified. 8 s8 @% a% S% D, j Fixed an error in the two-winding transformer spreadsheet where the Auto-Adjust flag was ) f& M" B) D$ a' E5 ~4 A6 xbeing set inadvertently. 2 I6 m# [, |* U5 B7 O. U- |
 Fixed an issue where the program would crash if the user attempted to define a bus : u V+ U; \: D6 A9 m; M+ g$ ksubsystem from a context-click in the Diagram. 1 I! Y8 p# t% M) U
 Fixed an issue where the program would crash if the user selected two knee-points in the ( T" [* T9 X' A7 i
Diagram and then did a context-click. ! V* P6 ?1 V/ B0 t
 Various other corrections. Siemens Energy, Inc. % K- f7 ~) ~( `! P0 ] c) U5 @) c
Release Notes for PSS®E-31.1.0 Siemens Power Technologies International 2 y2 n3 {2 D$ s$ a8 T& S. O / T8 a6 }. G& D F, t6 n
! e# ~: _- U( d- B3 V2 1/9/2009 + v# R; o1 {2 p0 i0 F) W
Compiler Information ) ]! g$ U' l c, M |5 H5 w# g! s
General Information ) n/ z9 G# H& A" VPSS®E-31 and all future planned releases use the Intel Visual FORTRAN (IVF) compiler. & c; P- [3 Y% e B' U( E* zUser-written software used with PSS®E-31 (e.g. Conec, Conet, user-written dynamics models, or ( r# Z5 U r" Jprograms that call USRCAS) must be compiled with Intel Visual FORTRAN (IVF) 9.1 or later (the ( q0 W V: F9 n; A7 c10.1 compiler is recommended). PTI cannot provide support for problems that arise when mixing 9 O6 Z$ K( X4 P! n9 S0 vcode from different compiler versions. * v! R4 w7 I! S, h7 l8 iAdditional Notes 8 V1 |" B) t; R1 b4 ~) A
** Please note that purchase of the compilers is not necessary to run PSS®E. The FORTRAN and ( [0 z$ x% m. E, } G" `
C run-time libraries will continue to be included with PSS®E, as in the past. The purchase of a 6 m; U& t; k- D4 Scompiler is required only if you are compiling Conec and/or Conet, user-written dynamics models, ) G5 v0 A6 C+ U% oor programs that call USRCAS. : s. d+ \$ j" @' ~" gIntel has offered a special discounted upgrade fee to Siemens PTI customers. In order to take * r, y) q4 u) j3 W$ O# p" @ }! ]advantage of this offer, you will need to provide proof of your Compaq Visual FORTRAN compiler ( C" ~) o/ j. S/ N: P! u5 D+ U
license. To purchase either the upgrade or a new license of Intel Visual FORTRAN compiler under - ~0 U' P( X7 @; x1 Fthis offer, you must contact Frankie Terlecki at frank.terlecki@intel.com. Please be sure that + Z, h% i! U+ u( b$ N"Siemens PTI customer" is stated in the subject line. . O' ^. i1 T6 S( y f
User-Written Model Notes R2 S( ^8 N" X% TPSS®E-31 DC line and FACTS devices are now identified by 12-character devices names instead % |7 q: `- {5 v! g- m9 sof numbers. To retain backward compatibility of old Saved Case files, device names are now set to 8 o; F/ o+ K: m% m1 L2 x: wthe old device number, left justified. For example, 1 becomes “1 “. However, User-Written ; |9 I9 ~0 E+ g! @" u, H
models of these devices that are called in conec.flx and conet.flx will have to be modified to map # E* d0 l% I% d1 I+ F% P
the old device number to its corresponding new internal device index. Please contact PSS®E 0 y& ~' m4 q2 q" ^2 P+ p
support if you have any questions on how to proceed with this. : k4 A; @: V! s1 F* TIn addition, during the course of our in-house development and testing, we have noticed that the " D7 Y' v7 n$ ^+ c
IVF compiler is a lot less forgiving in the area of un-initialized variables. Many times code that ran ! J# x. Y0 Q5 ?5 m8 h! Xwhen compiled with the CVF compiler would crash when compiled with the IVF compiler. When 7 i% Y) t5 K- h3 f) G O
compiling your models with the IVF compiler for use with PSS®E-31, please be aware of this issue, & O& X4 F' V4 T6 ] n3 b7 H! Hand consider compiling your code with some of the more advanced debugging and verification " r' w8 y# a7 A1 k2 U
features of the IVF compiler.
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