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本帖最后由 Tms320 于 2009-12-27 17:46 编辑 : ^8 |# }" U9 {8 A' W. c# E
0 {. E$ D# r+ ~/ r# Dpowerttech 的DSA是用于系统稳定性分析的强大工具，SSAT是其中用于系统小干扰建模的模块。
( }) B$ S* f. ?3 b6 tMain Features; T) F0 T* z, u; @4 t2 l0 ^, G+ g
Modeling
2 ]/ E( o m( g( Q1 v5 f* L6 jSSAT accepts powerflow data in the native formats of DSAToolsTM (PSF and PFB), as well as other
" U6 \* \/ |& U; ?commonly used format such as PTI PSS/E format, GE PSLF format, and BPA format.+ c) Y* h, o% a- ~9 C9 W G9 H2 F
Dynamic models of devices commonly represented for stability studies are available in SSAT. Data of
; z- e- B J, l) W) V! cmodels can be in DSAToolsTM, PTI PSS/E, GE PSLF, BPA format.
/ a, x4 ]0 E, @ n& g, Y( _The actual dynamic models used in an SSAT analysis can be customized from the data set provided in all
- Y% s- I1 ~6 V- u: idata files, by using the dynamic representation specifications. - d+ T2 D: p# ~% z2 w
1 b& j% L3 r4 L9 B. vComputation options1 K, m( \% [4 E
There are 11 computation options available in SSAT. These include:
7 i+ W4 F# ? O8 T(1) Complete eigenvalue analysis) Q0 k4 |- p7 I0 | R: e }
(2) Single-Machine-Infinite-Bus (SMIB) analysis+ c1 h1 b" Z& o1 F
(3) Single-Machine-Infinite-Bus (SMIB) scan for the entire system, ~. A2 t$ }( _0 X* J& t1 C8 `' Y, ]
(4) Eigenvalue analysis within specified frequency and damping ranges
' W& ^" [8 i$ ?+ p(5) Computation of modes closest to a specified frequency and damping% T1 R' y) M& {5 I
(6) Computation of modes related to a generator, p; @2 F$ Q9 H9 O/ Z( [
(7) Small-signal stability index for contingency ranking+ l9 C: I9 x' P
(8) Time and frequency response calculations
& D% j% \8 d. p3 Z0 x1 t(9) Sensitivity analysis! |: M5 y! Y& R9 q; |
(10) Small-signal stability limit search- E8 S3 |! n4 L! [: s& d/ o7 _
(11) Mode trace |
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