thushi 发表于 2012-4-23 21:33:20

DFIG暂态仿真问题

用DIgsI进行风电场仿真时，把demo中的DFIG复制到Kundur11节点系统中，可以计算潮流，但是无法进行暂态仿真，请教各位是什么问题，报错内容如下：

DIgSI/info - Element 'G3   ' is local reference in separated area of 'BUS3   '
DIgSI/info - Calculating load flow...
DIgSI/info - -------------------------------------------------------------------------------------
DIgSI/info - Start Newton-Raphson Algorithm...
DIgSI/info - load flow iteration: 1
DIgSI/info - load flow iteration: 2
DIgSI/info - load flow iteration: 3
DIgSI/info - load flow iteration: 4
DIgSI/info - load flow iteration: 5
DIgSI/info - Newton-Raphson converged with 5 iterations.
DIgSI/info - Load flow calculation successful.
DIgSI/info - Element 'G3   ' is local reference in separated area of 'BUS3   '
DIgSI/info - Element 'G3   ' is reference in 50.0 Hz-system
DIgSI/info (t=-100:000 ms) - Initial conditions calculated.
DIgSI/wrng (t=-090:000 ms) - No convergence in simulation!
DIgSI/wrng (t=-090:000 ms) - No convergence in simulation!
DIgSI/wrng (t=-090:000 ms) - No convergence in simulation!
DIgSI/wrng (t=-090:000 ms) - No convergence in simulation!
DIgSI/wrng (t=-090:000 ms) - Element 'GW4.ElmAsm': Model equations don't converge: error: 1.970124
DIgSI/wrng (t=-090:000 ms) - Element 'GW2.ElmAsm': Model equations don't converge: error: 2.206480
DIgSI/err(t=-090:000 ms) - 'GW1   ':
DIgSI/err(t=-090:000 ms) - System-Matrix Inversion failed !
DIgSI/wrng (t=-090:000 ms) - No convergence in simulation!

金刚狼UPC 发表于 2012-4-24 10:22:54

暂停仿真时的算法选择有问题，应选local reference system，各控制模块应选stable-integration 算法

mingyu 发表于 2012-4-24 20:05:20

这个算法的选择会影响收敛吗？
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