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Single stage UPF offline psu's for mass production - now up to 3.6kW off single phase mains.
High efficiency, low RFI, single stage converters providing near unity input power factor and a wide choice of isolated output power designs...
Electric vehicle (EV) charger - 375V out, 6 amps unity power factor from 220AC supply - Lowest size & weight.
A prime example of EV charging - low weight & size with unity input power factor. Models with outputs up to 375VDC @ 6amp, (2250 watts). Fully sealed so you can bolt it on anywhere. Advanced charging algorithms for any battery type
February 21, 2010
Harmonic cancellation; 4 wire systems to 100kVA
Preston is one of the fore-runners in developing state of the art control & hardware to inject antiphase harmonics into low voltage systems (400V line to line) to cancel triplens and the rest, up to the 20th & provide shock reduction during load stepping.
February 21, 2010

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