Inverter distance questions

[thastinger]

OP, your system will be very similar to mine. My 5 230W panels are all in series feeding my 200 classic.
You'll have quite a bit of power left over if you're only using .5-.8Kwh/day.
On your home run from the inverter to your power panel inside the cabin, remember than no conduit is considered water tight so you'll have to buy individual wires rated for wet locations to run inside your conduit which will have to be buried at the proper depth. I'll try to post up some pics that may help you on your system.

[Sunny Solar]

Is that going to be hard wired or plug and wall socket at one end of cable and at other end?
Don't know whats available there but in Aus the wall outlets are rated at 15a but most cable plugs are only rated at 10a . Exception the ones with very large earth pin they arerated at 15a. In Phils the std (USA style)2 flat pin plug/ socket are rated at 10a . And it would take a brave? silly person to try and draw more as the wire connections on the wall outlets are in 99% of all available are only just adequate for that rating.

[mschulz]

No sir not a correct or equal statement. Watts have to be equal in both statements to be true. Watts = Volts x Amps. 120 volts x 10 amps = 1200 watts. 150 volts x 40 amps = 6000 watts. 1200 does not equal 6000.

I understand the watts thing, but when I am using the voltage loss calculator, running AC current vs DC currents I get different numbers. You guys cleared me up with your responses. It appears from the calculations and what all of you have said is that it is perfectly acceptable to house panels, batteries, CC, Inverters at the shed and run the 120V AC current to the house the 75ft. This just makes the installation much easier and keeps all my DC runs really short (Panel to CC about 10ft, CC to Batteries 3Ft and Batteries to Inverter 3 ft).

Thanks for the help. You guys really are helping me understand this this.

[thastinger]

OP, here are some pics that might help you with yours. Happy to answer any questions you may have.

[Sunking]

I understand the watts thing, but when I am using the voltage loss calculator, running AC current vs DC currents I get different numbers.

You most certainly will because in addition to resistance AC has an impedance factor to calculate.

[Sunking]

Is that going to be hard wired or plug and wall socket at one end of cable and at other end?
Don't know whats available there but in Aus the wall outlets are rated at 15a but most cable plugs are only rated at 10a . Exception the ones with very large earth pin they arerated at 15a. In Phils the std (USA style)2 flat pin plug/ socket are rated at 10a . And it would take a brave? silly person to try and draw more as the wire connections on the wall outlets are in 99% of all available are only just adequate for that rating.

USA is 120 volt 15 and 20 amp on 12 AWG copper.

[mschulz]

Is that going to be hard wired or plug and wall socket at one end of cable and at other end?
Don't know whats available there but in Aus the wall outlets are rated at 15a but most cable plugs are only rated at 10a . Exception the ones with very large earth pin they arerated at 15a. In Phils the std (USA style)2 flat pin plug/ socket are rated at 10a . And it would take a brave? silly person to try and draw more as the wire connections on the wall outlets are in 99% of all available are only just adequate for that rating.

I have decided to spend a little extra $$ and make sure my inverters are hard wired to my Service panel. The only plugs I want are in the house that are properly grounded and run off circuit breakers. I still don't like the idea of just plugging my generator into my system. I like secure connections.

[Sunking]

I have decided to spend a little extra $$ and make sure my inverters are hard wired to my Service panel. The only plugs I want are in the house that are properly grounded and run off circuit breakers. I still don't like the idea of just plugging my generator into my system. I like secure connections.

I sure hope you understand proper Neutral Ground Bonding and how it works. Otherwise your circuit breakers are useless. You inverter has to be made for hardwired connections and generator transfer switch configured correctly to a separately derived system. Ground does not mean squat or offer any protection.

[Sunking]

You cannot isolate the two ground systems. Sorry I am not going to help you with this as it is too much liability for me to do so.

[mschulz]

You cannot isolate the two ground systems. Sorry I am not going to help you with this as it is too much liability for me to do so.

Really this is off my Origional topic anyway and not intended to be answered here.

[thastinger]

OP, all grounds must terminate to the same location and you're going to need two 8ft ground rods min. You need to look into the NEC and/or talk with your local building inspector and/or electrician.

[Sunny Solar]

Sunking "USA is 120 volt 15 and 20 amp on 12 AWG copper."
How many amps are the plugs and wall outlets rated at ?

If 20 a and 120v that's 2400w. unless the 3 core cable the person asking was using then there is no way he could draw 4400w safely from it unless hard wired.

[Sunking]

Sunking "USA is 120 volt 15 and 20 amp on 12 AWG copper."
How many amps are the plugs and wall outlets rated at ?

If 20 a and 120v that's 2400w. unless the 3 core cable the person asking was using then there is no way he could draw 4400w safely from it unless hard wired.

Pull your head out and read the question Paul asked. Paul is in Jamaica running 240/120 Single phase just like the USA, not Philippines or Australia. The feeder is 3-wire L1-N-L2. L1 to L2 voltage is 240 volts and can easily handle 4800 watts with 20 amps. Each 120 leg L1-N is 120 volts @ 20 amps each for 2400 watts each leg x 2 legs is 4800 watts.

End of class you failed electric power course.

[Sunking]

Really this is off my Origional topic anyway and not intended to be answered here.

Your EC should be able to handle this. If not fire him and get another one who knows and has generator experience. Not all EC's have generator and Separately Derived Systems experience.

[Sunny Solar]

Great answer Sunking . Sadly as usual you cant read and you give an answer to a question no one asked.. You fail reading English as nearly always.. But mabe the question was to hard for you. as you couldn't give the answer so made up a question like you have done many times and gave yourself the answer.