Eugene

Some humor for the day
 
 

SANS 10142-1:2003 Edition 1.1 (As amended 2003)  6.3.3.2  The means of identification for an a.c. circuit may be by colours or by numbers, as follows:  a) where colours are used   1) a neutral conductor shall be identified by black only,   2) an earth continuity conductor shall be identified by the bi-colour green/yellow only, or by being bare. Green/yellow insulated conductors shall NOT be used as live conductors under any circumstances,   3) a phase conductor shall be identified by a colour other than    green/yellow, green or black, and  Amdt 1  
 NOTE  Welding cable manufactured to SANS 1576 (SABS 1576) should not be used in circuits above 100 V. Amdt 1   4) the colours may be applied at the ends of the conductor (of a multicore cable) by means of durable colour marking (e.g. insulating sleeves or by electrical insulating tape wound more than once around the conductor), and Amdt 1 where numbers are used, "0" shall indicate the neutral conductor.     Amdt 1  
 NOTE  Where the purpose or the function of a conductor is apparent, marking is not required. 
Extract from my 2003 copy, doubt whether it has changed much since I retired.

SANS 10142-1:2003 Edition 1.1 (As amended 2003)  6.3.3.2  The means of identification for an a.c. circuit may be by colours or by numbers, as follows:  a) where colours are used   1) a neutral conductor shall be identified by black only,   2) an earth continuity conductor shall be identified by the bi-colour green/yellow only, or by being bare. Green/yellow insulated conductors shall NOT be used as live conductors under any circumstances,   3) a phase conductor shall be identified by a colour other than    green/yellow, green or black, and  Amdt 1  
 NOTE  Welding cable manufactured to SANS 1576 (SABS 1576) should not be used in circuits above 100 V. Amdt 1   4) the colours may be applied at the ends of the conductor (of a multicore cable) by means of durable colour marking (e.g. insulating sleeves or by electrical insulating tape wound more than once around the conductor), and Amdt 1 where numbers are used, "0" shall indicate the neutral conductor.     Amdt 1  
 NOTE  Where the purpose or the function of a conductor is apparent, marking is not required. 
Extract from my 2003 copy, doubt whether it has changed much since I retired.

I'm also a newbie, just wondering if another pv panel in parallel and 2 more batteries will be a better option. 
The PWM controller can handle 6 panels in parallel 6 x 8.14 = 48.84A
 

Hoop iron strap.

Dishwashers and washing machines have motors, therefore the load is inductive.
 
My recommendation:
Inverter as a UPS, i.e. computers, TV, HiFi and lights.
No earth leakage feeding Inverter, bond inverter neutral output to earth, red dedicated plugs (no earth leakage necessary),
Inverter feeding appliances:
No earth leakage feeding Inverter, bond Inverter neutral output to earth, earth leakage feeding circuits.

Also started my own little application after reading this Forum...
 
Very simple at this state (Having never written any software before)

Your best solution is a dedicated plug (red) circuit feeding the inverter (UPS) with dedicated plugs feeding your equipment.
No Earth Leakage required.

http://photovoltaic-software.com/DC_AC_drop_voltage_energy_losses_calculator.php
 
92V - 32A - Copper 16mm2 - 60M one run = Voltage Drop = 5.52V = 6%
 
20M = 2% voltage drop

Correct procedure would be:
Main Isolator or Breaker feeds a busbar, busbar feeds circuit breakers in DB, a circuit breaker feeds the Inverter via an adjacent Isolator.
16mm2 cable is rated up to 89A AC, voltage drop calculated at 2.8mV/A/m
Your ferrule would have to SABS approved.

I connected the Axpert neutral output to earth after Voltronics confirmed there wouldn't be a problem, have had no ill effects.

I connected the Axpert neutral output to earth after Voltronics confirmed there wouldn't be a problem, have had no ill effects.

They supplied the software, upgrade is via RS232 or USB.
 
https://onedrive.live.com/redir?resid=B6E11F173DB13421!1811&authkey=!AE0RxAH4OKsdHI0&ithint=file%2cpdf

Waited about 3 hrs and tried again, new firmware loaded OK.
Now have pv panel charging current indication on panel and Watchpower. 

Don't know, maybe processing was still going on in the background.

Waited about 3 hrs and tried again, new firmware loaded OK.
Now have pv panel charging current indication on panel and Watchpower. 

One doesn't have that problem with standard copper cable, you can try stripping a few mm of insulation, dip the end in solder, strip the rest of the insulation and file the tip to fit the lug and slide in.

Ok, so I am going to upset the apple cart now
 
Why is it really nessesary to bond the neutral to earth?
Normally this is only done at the supply source, like the transformer in the minisub.
Then to save costs, the earth is not pulled from the sub all the way to your house, so a new earth point is made at your house and the neutral bonded there.
 
Next, for an E/L unit to work correctly, it looks for a diffrence in current between the line and neutral wires. If both of these is floating, the E/L will still work.
What is important is that the EARTH is solid, as this offer the stray current a return path.
On a system like this where the neutral is then not grounded, you will have 115V between both phases measured to ground, but still 230V between the phases.
 
Actually, all ships I have been on was done like this. Earth is earth, but neutral and live is both floating.

I was just about to post a pic with the IP address and Device USBxxxxxxxxx number below.