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Posts
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Carl's Achievements
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Carl reacted to a post in a topic: Wanted: Goodwe WiFi Module with 5 Pin Connector
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Carl reacted to a post in a topic: Solar panels on flat roof: Does the angle of the solar panel really matters ?
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Price Reduced to R165 000.
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Thanks Charl, we have another leaf with 11 bars (150 KM range) which should be good for our driving requirements for at least another 6 years.
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Carl reacted to a post in a topic: Nissan Leaf for sale - R165 000 -SOLD
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PsyCLown reacted to a post in a topic: Nissan Leaf for sale - R165 000 -SOLD
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Current range that it charges to is between 55 - 65 KM. Range is calculated after every recharge and is based on previous trip conditions. The battery pack is a standard 24kWh pack and a new pack will give you 180 KM range in summer and around 160 KM in winter. That is for moderate driving. Our long term average for over 2 years of driving is 7.5 KM / KWh (That works out at around 40 cents / km charging from the grid in Cape Town)
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Mostly PV in Summer.
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2013 Nissan Leaf for sale. - SOLD Excellent condition. New tires. Odometer: 55 171 KM Range: 60 KM Charger: 3 Kwatt Location: Cape Town Efficiency: 7.5 KM / Kwh
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SMA Sunny Mini Central for Sale with mounting bracket. Single Phase unit. R2000 EFT or cash. 6 month Warranty Happy to ship once funds clear. Located in Plumstead, Cape Town Carl - 084 677 1883
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Looking for a 5 pin WiFi module for my Goodwe GW3648-EM Inverter Please let me know if you have one for sale.
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Looking for a SMA Sunny Remote Control for my Sunny Island S8.0 Inverter. Please let me know if you have one for sale.
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Carl reacted to a post in a topic: [SALE] Mecer 200Ah Lithium Battery
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BritishRacingGreen reacted to a post in a topic: Repair of Axpert Inverters : A Journey Started
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Repair of Axpert Inverters : A Journey Started
Carl replied to BritishRacingGreen's topic in Inverters
@BritishRacingGreenyou have inspired me to attempt a repair on a faulty Growatt SPF 5000 ES inverter. With MPPT board removed and only battery connected i noticed surface arcing around the Ceramic caps and the DC to DC Bus Side IGBT's located on the bottom of the middle heat sink. There is a fair amount of black dust on the board and some moisture on the fan unit and on the board. All the IGBT's and Mosfets test ok on the diode test function so hoping that damage is limited or best case no damage. Inverter came up with warning error 62. Please advise what is the best way to clean the board. -
Carl reacted to a post in a topic: Repair of Axpert Inverters : A Journey Started
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Carl reacted to a post in a topic: Hoppecke Battery lithium cell salvage
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Carl reacted to a post in a topic: Axpert Inverter: Error 52
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Question for the Technical Experts: What will happen if the solar array Negative is mistakenly solidly grounded. Will this fault cause the inverter to blow?
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Carl reacted to a post in a topic: Repair of Axpert Inverters : A Journey Started
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Carl reacted to a post in a topic: Repair of Axpert Inverters : A Journey Started
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Following System Available: 1) 3 Kwatt Outback Inverter 2) Outback Flex Max 60 Amp Charge Regulator 3) Four 200 Amp Hour Batteries 4) AC Distribution Box 5) Battery Balancer 6) Stand The system has been temporarily assembled for demonstration purposes. Contact Carl - 084 677 1883
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This is what the supply to my house (which is very old) and the geckos home looks like. Its a 2 core cable. The insulated centre conductor is the Live and the bare copper conductor surrounding it is the PEN (Protective Earth Neutral) Conductor. This is called a TNCS earthing system. The PEN conductor is connected to the Neutral Bar and this is earthed to the earth electrode and copper water pipes. The PEN conductor is also earthed at the transformer star point (supply point).
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Price drop to R100 / set. Minimum Qty = 5 units. (Over 100 units available.) Equipment removed from a Body Corporate Complex as they upgraded to a Pre-paid metering system.
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ABB C11 110-300 KWh meter and ABB ESB 40-20 AC / DC Contactor for sale. Asking Price for both units together - R200. Collection in Cape Town, Plumstead or happy to courier.
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Sounds like you may have lost primary fluid in your vacuum tubes. (Could be the leak that @svendescribed at the header tank with ball valve) This would lead to a major decrease in overall efficiency of the system. UberSolar seem to have a unique indirect water heater system with a venting setup on the manifolds to limit the maximum stagnation temperature to below boiling point. (94 degrees C for Johannesburg). I have never seen or heard of this system before so have no idea of how well it will perform. In this particular system the vacuum tubes is filled with fluid which is separated from the high pressure council supplied water. Traditionally the fluid in the indirect system would consist of a mixture of water and glycol and would be used in areas with frost. An expansion tank would allow for volumetric changes as the water / glycol mixture heats up and primary fluid should never be lost or vented out of the system. It should be a closed system. In this particular case it sounds like some of the primary fluid might have been lost. On the Gerserwise controllers i have only had good experiences so far.