AC Photovoltaic Module is Here!

    Research output: Contribution to conferencePaper


    This paper describes the design, development, and performance results of a large-scale photovoltaic module whose electrical output is ac power suitable for direct connection to the utility grid. The large-area ac PV module features a dedicated, integrally mounted, high-efficiency cd-to-ac power inverter with a normal output of 250 watts (STC) at 120 Vac, 60 H, that is fully compatible withutility power. The module's output is connected directly to the building's conventional ac distribution system without need for any dc wiring, string combiners, dc ground-fault protection of additional power-conditioning equipment. With its advantages, the ac photovoltaic module promises to become a universal building block for use in all utility-interactive PV systems. This paper discusses ACModule design aspects and utility interface issues (including islanding).
    Original languageAmerican English
    Number of pages4
    StatePublished - 1997
    Event1997 American Solar Energy Society Annual Conference - Washington, D.C.
    Duration: 25 Apr 199730 Apr 1997


    Conference1997 American Solar Energy Society Annual Conference
    CityWashington, D.C.

    Bibliographical note

    Work performed by Solar Design Associates, Inc., Harvard, Massachusetts; Solarex, Frederick, Maryland; and Advanced Energy Systems, Inc., Wilton, New Hampshire

    NREL Publication Number

    • NREL/CP-23320


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