A multiport protection apparatus 10 comprises a first DC link grid line 11, a plurality of protection switch units 50-53, each protection switch unit having a control input (60-63, fig 4A), a plurality of ports 20-29 and a controller (13, fig 4A) which is coupled on its output side to the control inputs 60-63 of the plurality of protection switch units. The controller responds to sensed currents. Each of the plurality of protection switch units couples a port of the plurality of ports to the first DC link grid line. The protection switches comprise half-controllable semiconductor switches (figs 2A-2C). The protection apparatus does not include a voltage converter.


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    Title :

    Multiport protection apparatus


    Publication date :

    2022-09-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English



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