inverters

  1. B

    How often should PV panels and the inverters be checked or maintained

    I'm only asking out of curiosity I am not an electrician or PV specialist I'm just a consumer and I have panels on my roof and and inverter in the loft and something else in the consumer unit. (Noob) I know nothing about them The landlord got some government funding a few years back and put...
  2. B

    Off grid earthing system

    What earthing system should be used on an off grid install with a solar inverter, wind inverter, battery backup inverter and a 4.5kW floating earth generator?
  3. S

    A E Micro Inverters

    Hi not been on here for ages. Decided to put some solar panels on my house and was going to use some A E micro inverters. Does anyone have any experience with them?
  4. A

    Refusol Inverters

    Have a site with these inverters, we have around 40 on site installed over a few years. Our oldest are three years old. We are having several faults come up such as PM Isolation PS, PM Isolation RCD PS and undervoltage. Voltage is fine, 400/420 Several other faults Refusol no longer...
  5. F

    omnik inverters

    has anyone had experience with omnik inverters, We have installed quite a few of them, they are supposed to be G83 but I have recently found out that even tho they have all of the certificates etc they are allowed to produce well over 16A, it is just that they keep failing, first one half will...
  6. SolarCity

    Solis inverters - problems

    I wonder if anyone else has had issues with the Solis inverters? Particularly the smaller Mini range? I'm having an issue with a Solis Mini 1500 inverter at an installation we carried out a few months ago. Every morning, as the sun rises, the inverter is repeatedly cutting in and out. The...
  7. M

    Off Peak Charging through Hybrid Inverters

    Hi guys, we have just developed a MID Approved meter that enables Hybrid Inverters Batteries to be charged/topped up through economy 7 type tariffs, your thoughts/opinions would be appreciated Currently the DNOs will not allow this, due to the way the meter will clock up export through import...
  8. I

    Ground Fault Detection Interrupter (GFDI)

    Some inverters are provided with GFDI and some are not. Is this a regulatory thing dependent upon the country of use intended for the product?
  9. I

    Enecsys micro inverters

    This posting may be of interest to anyone continuing to use Enecsys micro inverters: The Enecsys micro inverters use a DC to DC boost converter to provide the approximately 550V DC required for the output stage. Under normal operating conditions when the units are generating and the sun is...
  10. S

    Single phase to three phase inverters

    Hi there. I have been looking at one or two inverters. Does anyone know if the Invertek Optidrive range is a good one to go for? It does seem a little cheapish for a 3hp drive. I know this isn't the best way around it, but for people who don't have a three phase supply and just want to run...
  11. S

    Queries on a new PV installation

    Hi all. I am looking for a 3rd opinion on a recently completed install at a friend of a friends property. I am PV installer (17th edition, Part P, 2394&2395, NVQ3), I did not install this system. - The property has a 3 phase supply. - The electrician has taken 25mm tails from the main fuses...
  12. Worcester

    Solax Inverters

    Apparently a division of Suntellite Good / Bad / Indifferent ? 20 year warranty extension =£83..
  13. I

    Faulty Enecsys inverters wanted

    Having achieved some success in repairing failed Enecsys inverters I am hoping there may be more out there that I can purchase as a source of spares or may even be repairable. If anyone is interested please email direct to briandotdrury@livedotcom
  14. S

    3phase supply to 3 single phase solar inverters

    Hi all .First post . I'm an electrician working for a solar company company. We have a commercial solar install starting tomorrow. The array is split into three lots of 33kw . I can't be certain on very more details than that for the time being. It will have 3 single phase...
  15. S

    Multiple PV Inverters

    Hi all, I have a situation where I have been given one 17kW 3 phase inverter and one 3.5kW single phase inverter to install. Usually when installing multiple inverters, I would install a dedicated DB for the inverters and have a generation meter for that DB. However I am unsure on how this...
  16. S

    Battery Storage And Uk Regulatory Compliance

    Hello all, I am thinking of adding battery storage to my existing setup to increase self-consumption and provide backup for power cuts. Currently I have 16 x 230W panels feeding 2 + 2 kW StecaGrid inverters installed in 2011. If I were to add for example a Victron MultiPlus 48/3000/35-50 in...
  17. S

    Tigo, Solaredge or Blackmagic?

    Which optimisers shall I use? Any advice based on your real-world experience?
  18. L

    Inverters and washing machine motors

    I would like to know whether I can run a 1/2hp (~380W) washing machine motor on a 600W (1200W peak power) pure sine wave inverter. I had (famous last words) a 600W modified sine wave inverter which worked well off a car...
  19. jason121

    Bad Installation

    I was asked to write a report today regarding a poor solar installation. There are two inverters. The left is wired out the dead side of a shared AC isolator while the other inverter is wired of the live side (from the meter ) feeding another AC isolator. In my opinion one inverter would feed...
  20. L

    Sma flx pro inverters

    Has anyone installed the sma flx pro inverters ? Had a bit of a nightmare try to commission two today. A lot of it was my own fault to be honest

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