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Corné

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Corné last won the day on February 2

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  1. Hi Jason This sucks! From the letter the son gave his dad permission to represent the company on his behalf. Surely then you can contact the son as you see fit? Unfortunately from HelloPeter: https://www.hellopeter.com/zonhan-wind-and-solar-pty-ltd/reviews/wwwzonhansacoza-2963433 and facebook: https://www.facebook.com/search/top/?q=zonhan wind and solar&epa=SEARCH_BOX things don't look too promising. Have you tried this number: Good luck.
  2. From my interpretation: Total energy used: 22.783 kWh. Total energy produced: 25.803 kWh. Only 3.02 kwh margin for losses or alternatively stated available for inefficiency. Don't know what the "official guideline" for system efficiency is? @plonkster Total storage capacity= 12 x 2400Watt x (80%/90% depth of discharge?) = 23.040 kwh /25.920 kwh. From studying the 5 minute interval log, I think you may be underestimating your actual loads. What happens at 12:25 - 13:45PM (uses more or less the same amount of electricity as your geyser).
  3. Good day Everyone Always make sure the + is connected to the + unless the + must be connected to the -. Also understand that the - must be connected to the + and sometimes to the -.* Kind Regards, Corné *The above is intended as a joke. Please seek the assistance of a qualified professional. Discussion-Paper-Correct-Wiring-of-Double-Pole-DC-Breakers-LVL2-131210-v2.pdf
  4. Corné

    Apologies!

    Well I for one can only commend the service that I have received from Jaco. I have been pleasantly surprised by the turnaround time on products previously ordered. I received a parcel this morning that I was only expecting on Tuesday. Something else I must also mention is the amount of advice offered on this forum. I wonder how many installs have been attempted and completed based on the advice from Jaco and other members on this forum? These are people who offer their time and expertise without expecting anything in return. When last did anyone get advice for free from a lawyer or Dr? Lastly, the mere fact that Jaco is offering an apology on a forum like this, should tell you something about his work-ethic. Thank you Jaco.
  5. Hi Everyone Who thought switching to Lithium would be a measure to reduce theft. https://mybroadband.co.za/news/telecoms/351685-the-creative-ways-vodacom-fights-cellphone-tower-battery-thieves.html?fbclid=IwAR2JpihVnBVtUP_wM1P5rbL3DDoYh6vJ9LSuJOkhcCUVS0HaxmLBqV3Lbb4 Kind Regards, Corné
  6. Good day Everyone Not exactly light reading but some of you may have a lot of time on hand. Why not read up on something that may interest you. The first link is the press release and the second the excel file with the url links to the e-books. 1) https://group.springernature.com/fr/group/media/press-releases/freely-accessible-textbook-initiative-for-educators-and-students/17858180 2) https://resource-cms.springernature.com/springer-cms/rest/v1/content/17858272/data/v4 Kind regards, Corné
  7. Hi Everyone Please see the following post: https://powerforum.co.za/topic/5036-wires-through-roof/?do=findComment&comment=68572 Kind regards, Corné
  8. Good day Everyone A test-report on batteries for what it is worth. https://www.solarquotes.com.au/blog/battery-test-7th-report/ Kind Regards, Corné
  9. Who would have thought... From a shortage of 6000 MW earlier this year to an excess of 7000 MW. https://www.fin24.com/Economy/Eskom/just-in-eskom-halts-energy-supply-from-wind-producers-20200331
  10. Ok, I think I understand it now: SANS 10142-1:2017 Ed 2 = The wiring of premises Part 1: Low-voltage installations. SANS 10142-1-1:2018 Ed 1 = The wiring of premises Part 1-1: Low-voltage installation in medical locations. SANS 10142-1-2:202X Ed ? = The wiring of premises: Part 1-2: Additional special requirements for low voltage small scale embedded generator installations connected in parallel to the normal electrical supply. SANS 10142-2:2018 Ed 1.02 = The wiring of premises Part 2: Medium-voltage installations above 1 kV a.c. not exceeding 22 kV a.c. and up to and including 3 MVA installed capacity. According to an article shared by @acs the standard was approved in Feb 2020. It is, however, not yet available on the SABS website to buy.
  11. Good day Everyone @plonkster, what is the name/code of the standard you are referring to here? I must be missing something?
  12. Good day Everyone I found this link: https://www.victronenergy.com/upload/documents/MultiPlus-II-to-MultiGrid-and-MultiPlus-comparison-EN.pdf Can someone maybe explain the differences to me in a very basic way? For example: When would one choose the one type over the other apart from the power differences. Which one should you choose for a back-up and lower Eskom bill situation? Kind regards, Corné
  13. Hi Introverter, thank you for the very clear and detailed post. I appreciate it.
  14. Good day everyone I saw these today... Anyone experience with them? https://mhn.co.za/shop/mecer-lifepo4-2-3-kw-lithium-iron-battery/?gclid=Cj0KCQjw3qzzBRDnARIsAECmryqRNVYJqC3BK9WfF_17XVtIljhcgzX48duvd71c43OrYsmfN44hWEMaAr0mEALw_wcB Kind regards, Corné
  15. Good morning all. To which code are you referring to? Also, would it be possible to post a list of codes, standards and legislation one needs to follow shoul you wish to install a solar setup? I think a list of the above, compiled by the informed members on the forum, would be very valuable. I wish I could help but my knowledge stops at red = + and black = -.
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