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Short-circuit tests on a high-voltage, cable-wound hydropower generator

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2 Author(s)
Johansson, S.G. ; ABB Corp. Res., Vasteras, Sweden ; Larsson, B.

Data from measurements on the first Powerformer generator installed in Porjus, Sweden, will be presented. The generator has a rating of 45 kV and 11 MVA. In total, the machine has been running more than 13700 h (October 2001) and has been exposed to a number of different tests including short-circuit tests on the terminal at 100% magnetization. Experience and some results from these short-circuit tests will be presented. Also, the response on the auxiliary winding during a short circuit on the main winding will be shown.

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Energy Conversion, IEEE Transactions on  (Volume:19 ,  Issue: 1 )