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CT Clamp question
NoobSolar
Posts: 117 Forumite
If I already have an iboost for hot water, and I want to install a Zappi solar car charger, does it matter that it also uses a CT clamp to calculate energy?
London. 6.4kwh system, South facing. 16 Hyundai 400kw all black panels w/ optimisers, 6kw Solaredge HD Wave inverter, Solar Iboost with two immersion heaters on one 240l hw tank. Octopus Flux. Ivar 5 Wood Burning Stove. Leaf 62kwh plus Zappi. Two chickens: 1 Light Sussex, 1 Speckled Rock. Omlet walk-in run. Approx 1.5 eggs per day egg generation rate using Marriage's organic layers pellets.
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Comments
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The installation instructions usually tell you to put CT clamps a reasonable distance apart, so they don't interfere with one another.I think I've got five installed in my meter cupboard, for various reasons; three on the meter tails and two on the solar PV feed. They seem to coexist happily enough.N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill member.
2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 33MWh generated, long-term average 2.6 Os.Not exactly back from my break, but dipping in and out of the forum.Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!1 -
I have both. I get the impression that whichever device first sees the surplus energy it will take it. Usually the IBoost wins.Northern Lincolnshire. 7.8 kWp system, (4.2 kw west facing panels , 3.6 kw east facing), Solis inverters, Solar IBoost water heater, Mitsubishi SRK35ZS-S and SRK20ZS-S Wall Mounted Inverter Heat Pumps, ex Nissan Leaf owner)0
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Ct clamps are generally happy close together, but I like to keep them separated by a few cm's, putting tie wraps round the cable and leaving the tail on will stop the ct clamp sliding by itWest central Scotland
4kw sse since 2014 and 6.6kw wsw / ene split since 2019
24kwh leaf, 75Kwh Tesla and Lux 3600 with 60Kwh storage0 -
No problems having clamps close together.For compatibility the Zappi requires an extra ct clamp to measure and account for diverters and/or AC battery charging and thus you can prioritise car charging over boost diverters/chargers in times of excess generation. Full details in the manual supplied at installation or via tgat on the Myenergi website.That's how my system works....very well.0
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