The digital power controller (DPC) converts variable frequency AC from the high speed permanent magnet generator to DC, then converts the DC to grid-referenced AC at 400-480 VAC, 3 phase, 50 or 60 Hz. The rotating machinery is thus isolated from the utility, eliminating the need for additional equipment or operator intervention for synchronization. In grid-connected mode, the current waveform total harmonic distortion is compliant with IEEE 519. In stand-alone mode, voltage is supplied in the range of 150 to 480 VAC on each phase.
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