inverters | Page 2

inverters

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  1. A

    SolarEdge inverters failings

    Hi guys, first post so please go easy on me. I had a 4Kw solaredge system installed few years ago, all was well until pigeons started nesting under the panels and starting big mess. For years they grew in numbers. I got a roofer who installed black wiremesh (he called it hedgehogs, the stuff...
  2. Worcester

    VAT on Replacement Inverters

    In domestic situations, we are now starting to see some inverters that are > 5 years old developing faults. therefore in some instances they are out of warranty. Whilst in the case of Power One's EO31's we will try and twist ABB's arm (some in 2011 had 5 year, some had 10 year warranties) in...
  3. Stuart Houghton

    Export Limitation

    I received a call from a person who was not a customer of mine asking to connect up his 8 kW PV system. Its a new build and the modules were installed when the scaffolding was up, this was several months ago. System is 2 x ABB PVI 3.6-TL-OUTD inverters connected to 32 x 250 watt modules. The...
  4. 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...
  5. 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?
  6. 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?
  7. whinmoor

    Cheap Chinese Inverters

    Quiz Time: Which brand is getting slated here by Baywa? Which budget inverter should I choose? We only ever installed one of these ourselves. Didn't really like them. Have replaced several though for customers of other installers. Kudos to the first correct answer...
  8. 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...
  9. 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...
  10. 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...
  11. 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...
  12. 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?
  13. 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...
  14. 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...
  15. 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...
  16. Worcester

    Solax Inverters

    Apparently a division of Suntellite Good / Bad / Indifferent ? 20 year warranty extension =£83..
  17. 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
  18. 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...
  19. 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...
  20. S

    Solar Edge Monitoring Gen Figures VS Generation Meter Figures

    Was just wondering if any of you guys have had any cases where the Solar Edge generation figures from the portal are different from what the generation meter reads have been. I've had 2 so far and have changed one a meter on the customers request as the Solar Edge figures were much higher than...

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