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Infeasible harmonic power flow study solutions

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2 Author(s)
Sainz, L. ; Dept. of Electr. Eng., Univ. Politecnica de Catalunya, Barcelona, Spain ; Pedra, J.

Multiple harmonic load flow study solutions are mathematically possible but not physically real. The Newton method can provide these false solutions when an ill-conditioned power system is studied. This problem is more usual in the presence of harmonics. This paper analytically studies a kind of raise solution in networks with AC/DC power converters. These false solutions are easily detected because they present a negative firing angle of the power converter. A simple example is studied where the Newton method gives a false solution

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Power Delivery, IEEE Transactions on  (Volume:10 ,  Issue: 3 )