diy solar

diy solar

Recent content by Mayfield

  1. M

    Off grid hybrid inverter SUB mode safety

    I will have a good read. My involvement was with paralleling gensets to each other and also to utility under G59. That is my understanding plus with a genset running with the grid "infinite bus bar" there was some internal protection afforded by the rocof and vector shift decoupling relays. If...
  2. M

    Off grid hybrid inverter SUB mode safety

    Yeah that hangs together. In no man’s land then. I got the App working this afternoon with some IT help. So I can change the SUB back to SBU from the phone and open the connection. I haven’t really had a good read of G99 yet but wondered about fitting a mains decoupling relay and breaker...
  3. M

    Off grid hybrid inverter SUB mode safety

    Here we go. I bought an old analogue multimeter off Facebook market place to use as a synchroscope. One lead on utilty live and one lead on inverter output live. For those who have never done this; In days of old when Avometers were the Rolls Royce of measurement I used to commission ASCO ATS...
  4. M

    Off grid hybrid inverter SUB mode safety

    Thanks for reply. I will get back when i have looked into it further with the questions you have raised. I am very interesed in finding out more. The supplier stood aside when i questioned this mode. Off grid only, never been in SUB mode. Upon pushing they emailed the China supplier who said it...
  5. M

    Off grid hybrid inverter SUB mode safety

    Thanks for reply SeGal. Please see my first reply. This is the part that confuses me. The system us running in bypass with parallel contribution from the PV system. I know it does this as when i load it with loading beyond the solar PV available power the remainder is contributed from the grid...
  6. M

    Off grid hybrid inverter SUB mode safety

    Thanks for your reply. My first reply. Will reply to second. Not used to this yet. I will post a diagram. I do not have a grid tied system. It is as you say an off grid system. No paralleling of the output. Just grid back up to the all in one combined box of tricks described as a hybrid off...
  7. M

    Off grid hybrid inverter SUB mode safety

    Hello, This is my first post so apologies if i am in the wrong place or asking a regular simple question. Having only ever used a car forum for 20 years I know how annoying it can be when a newbie asks a very basic question. I have installed a 5kw Iconica hybrid off grid inverter with 3.6KW...
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