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Earth leakage before inverter?


William-Mc
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I connected my whole house to run through my 5Kva Axpert inverter, now I want to take geyser and oven off
Oven is easy, no EL required, is there anyway around NOT installing a separate EL for the geyser?
Is it not possible to put the EL before the inverter, two outputs from EL, one to geyser, one to inverter
Maybe someone has a clever idea for me

 

 

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11 minutes ago, William-Mc said:

I connected my whole house to run through my 5Kva Axpert inverter, now I want to take geyser and oven off
Oven is easy, no EL required, is there anyway around NOT installing a separate EL for the geyser?
Is it not possible to put the EL before the inverter, two outputs from EL, one to geyser, one to inverter
Maybe someone has a clever idea for me

 

 

I have 2 INFINISOLAR 5kw inverters. Both GRID SUPPLY circuit breakers, are after an earth leakage. I have also installed 3-way isolator switches, which allow me to put heavy loads like the geyser/oven/aircon onto solar, when excess PV is available.

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That sounds promising
On mine Eskom runs to a 3-way switch, I-off-II,  on second DB, Eskom is I and Inverter is II
I have an isolator for inverter input and an isolator for inverter output
Inverter output goes to EL on main DB, plugs and geyser and no EL on lights
You are saying I can connect geyser and inverter AFTER the EL on main board and feed EL power to inverter and back for the plugs and lights
Are your lights on earth-leakage then too 
 

 

 

 

 

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1 minute ago, William-Mc said:

That sounds promising
On mine Eskom runs to a 3-way switch, I-off-II,  on second DB, Eskom is I and Inverter is II
I have an isolator for inverter input and an isolator for inverter output
Inverter output goes to EL on main DB, plugs and geyser and no EL on lights
You are saying I can connect geyser and inverter AFTER the EL on main board and feed EL power to inverter and back for the plugs and lights
Are your lights on earth-leakage then too 
 

 

 

 

 

 

Eskom DB.jpg

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29 minutes ago, William-Mc said:

That sounds promising
On mine Eskom runs to a 3-way switch, I-off-II,  on second DB, Eskom is I and Inverter is II
I have an isolator for inverter input and an isolator for inverter output
Inverter output goes to EL on main DB, plugs and geyser and no EL on lights
You are saying I can connect geyser and inverter AFTER the EL on main board and feed EL power to inverter and back for the plugs and lights
Are your lights on earth-leakage then too 
 

 

 

 

 

I have a 3x18 DB.

Top row: GRID MAIN, GRID SURGE protection, GRID E/L, INVERTER1, INVERTER2,STOVE ISO, GEYSER ISO, AIRCON ISO....

IMG_9232.jpg.2384be6b6ee61262d7c50ec24d2e544d.jpg

2nd Row: SOLAR/GRID CHANGEOVER, SOLAR E/L, circuit breaker for plugs/lights etc

IMG_9243.jpg.c4e01bb30d62d34782e9215669815ef3.jpg

3rd Row: 4-quadrant GRID METER, CHANGER OVER switches for OVEN/GEYSER/AIRCON. And 2 relays, one for outside lights on a DAY/NIGHT switch, and a sewage level sensor warning.

IMG_9233.jpg.5b5d47d376963fb777f789a2333373ae.jpg

FULL DB Picture:

IMG_9244.jpg.b885d4562176116a1348d686e121de81.jpg

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Full load is supplied through the first E/L. The GEYSER/STOVE/AIRCON isolators LINE is supplied by either GRID or SOLAR, depending on the position of the changeover for each device.

Should there be any major malfunction, my wife can throw the 2nd row GRID SOLAR changeover, and return the full load to grid.(I am often away for work)

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