本帖最后由 Tms320 于 2009-12-27 17:46 编辑 2 [# J& T; W' Q* h " T! V* ]1 K( Hpowerttech 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。1 l8 P! U- {" o# I2 r
Main Features $ S4 r2 G' R; v* D, mModeling f+ [4 q2 ?( E& `+ V8 P D% j; eSSAT accepts powerflow data in the native formats of DSAToolsTM (PSF and PFB), as well as other 0 f, C) K' f% _5 r4 ^commonly used format such as PTI PSS/E format, GE PSLF format, and BPA format., G, Z- }. G1 c' i' u: o0 M
Dynamic models of devices commonly represented for stability studies are available in SSAT. Data of 1 W* A3 |8 ~; g( P4 ~: z, ^! Vmodels can be in DSAToolsTM, PTI PSS/E, GE PSLF, BPA format.4 K0 _* P8 }. ?4 L5 F9 z$ B1 |
The actual dynamic models used in an SSAT analysis can be customized from the data set provided in all5 H' l& v4 L1 s! A' c$ k3 B! [, K
data files, by using the dynamic representation specifications. 7 C! j- e- }) \6 S; d' G $ @8 E e! L6 [9 P5 YComputation options: L( T3 [6 n0 c' y0 B' Z" Q
There are 11 computation options available in SSAT. These include: 0 y) c8 s. H; E$ g(1) Complete eigenvalue analysis 1 e8 i5 ~1 _1 P% `2 e) P(2) Single-Machine-Infinite-Bus (SMIB) analysis , z% \3 L) C" j$ [# v(3) Single-Machine-Infinite-Bus (SMIB) scan for the entire system+ `9 B! I) D9 P" i
(4) Eigenvalue analysis within specified frequency and damping ranges - L0 B: o7 l5 x) p" c4 m(5) Computation of modes closest to a specified frequency and damping0 @- g# I) D$ V2 [0 V/ `
(6) Computation of modes related to a generator: e) V, b6 |7 ]% P
(7) Small-signal stability index for contingency ranking H7 d3 Z4 @( S
(8) Time and frequency response calculations+ ~ o' B6 E2 P/ j1 i0 X& O/ s+ _8 ?
(9) Sensitivity analysis 1 Z2 i2 P3 j) F(10) Small-signal stability limit search # f& f2 \& F& Z(11) Mode trace