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Virtual instrument for lightning impulse tests
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DOI：10.1109/TPWRD.2007.900089.png)
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We propose an objective formulation of the impulse analysis problem from a signal analysis viewpoint. The winding response is quintessentially that of a deterministic network to a finite energy signal, with breakdown and partial discharge being inherently nonlinear events. A significant improvement to the acquisition of waveforms is demonstrated by a virtual instrument approach. It retains the advantages of the time- and frequency-domain methods. The drawbacks of the transfer function method are highlighted and a new piecewise linear approach is proposed for analysis. Experiments on a discrete lumped parameter model of the winding are used to validate the PXI based instrument.
Keyword:
breakdown
extrapolation
impulse test
partial discharge
virtual instrument
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3.7
论文数:
9.1K
被引数:
2.2W
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