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  1. J

    String fuses

    The (desparately in need of an update to reflect current technological advancements imo) DTI guide to the installation of PV systems states the requirement for string fuses when there are 4 or more parallel connected strings. What if I take these 4 strings and connect them to an inverter with...
  2. D

    MCS Array test help

    I have my MCS assesment booked in 3 days and I need some help with the testing on the DC side, We did not perform the tests and I need some rough figures for Voc and Isc string test and also the Array insulation Resistance Pos- Earth and Neg-Earth. Any help would be much appreciated Thanks Dan
  3. edexlab

    no of modules to a string?

    Hello all I'm new to PV can anyone tell me what the procedure is for determining number of modules to a string, I know the ideal is to keep voltages down to 120v or less ,is this the norm?:confused:
  4. R

    Urgent help needed in connecting a push switch to a string of battery LEDs

    Hello my name is Rajiv Memtaj I am currently working on an A2 Product Innovation project and i want to attach some LEDs to my unit which are activated using a switch but i dnt knw how CAN ANYONE PLEASE HELP ME? My email address is [email protected], plese contact me if you have ne...

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