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Using a CT Coil

Basic understanding of using a CT coil it is used to control the export or import of the power from the grid this is very important and care must be taken when using CT, to ensure it is wired correctly

CT Coil
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Unknown member
Oct 02, 2023

Is it possible to dispense with the CT and multimeter in integrating the 3-phase 12 kilo infrared unit while connecting them to gel batteries and the diesel generator?

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MOD
MOD
Oct 03, 2023
Replying to

It is generally recommended to use tools such as a Current Transformer (CT) and a multimeter. These tools are essential for ensuring safety and proper functionality of the system. While it might be technically possible to assemble the system without these tools, it would be extremely risky. You would be operating blind, without any way to measure or monitor critical electrical parameters. This could easily lead to equipment damage, system failure, or even safety hazards such as fire.

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Hi Keith


I am trying to follow all the helpful comments and tutorials from yourself. I am not an electrician minded at all and getting lost in jargon.


Recently had 3.6 inverter installed with 4.8 kW battery. My battery is charging well but the house continues to use the grid for its supply and not the limit of the battery. My electric consumption remains the same as before I had the new inverter and battery. How do I utilise the battery which is charging well but the house even at basic standstill (not occupied - just usual fridges, TV etc) not utilising its charge?


Thanks in advance, Mav

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Unknown member
May 14, 2023

Hi Keith, can you help please. The CT coil is fitted and working but the reading is not correct, it's consistently feeding 190 - 210w back to the grid but the Sunsynk inverter is not identifying this and over reading the load by the same amount. For info the distance of the CT from the inverter is approx 40m. Is there a way of adjusting the readings to compensate for this. (I've tried adjusting the ratio). Many thanks

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Replying to

I have the same problem. The cause is electrical noise being picked up by the long cable. I'm looking to see what solutions people have


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Hi we are installing two 3.6 single phase inverters 20 meters from Ct coil position.

can we extend that far with a 600v high temp shielded twisted data cable 22awg

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droth88544
droth88544
Dec 18, 2022

I had an 8kw hybrid inverter fitted in October and it's still not working today 18/12/22. The batteries don't discharge even over night, the eastron meter always says zero. My installers don't have a clue how to set it up, and I'm getting no joy from sunsynk. hope you see this keith

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Keith Gough
Keith Gough
Dec 18, 2022
Replying to

The the Eastron meter must be supplied by Sunsynk otherwise it may not work . If you’re having  difficulties please email me keithg@sunsynk.com and I can help

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