hi guys! welcome to another video in the series stepby step solar! where we educate you on earning in the solarenergy industry. in this episode we will be connecting oursystem. so, first what we did we laid out all thecomponents.
Solar Panel Training, with the exception of the solar panels whichare outside, these are all the components that you would need for a full solar system. capable of powering a refrigerator, basiclighting, and probably your computer or two. so, let's take a look.
all the wiring that you're seeing here wewill be doing a quick overview of what is going on. so, the solar panels are connected outside. this is a small system so we have some smallwires coming in from the solar panels, alrigt!. so we have three 100w solar panels connectedin series. so this gives us a high voltage, about 50v,50-56v and a small current. so that small current is coming in here toour dc breaker. we leave from this breaker and through thiswire and we go to the charge controller. from the charge controller, i go this breaker.
from this breaker the current goes throughthis wire and comes here and it comes to this which will be connected to the battery bank. i leave from the battery bank then i go toanother breaker and then from that breaker i go to the inverter. so all this wire that you're seeing its verystraight forward. this charge controller is for a wind turbineinstallation. for the sake of this demonstration i'll justbe concentrating on the solar component but this is the very same installation. this is just connecting the three phases ofthe wind turbine to the charge controller.
this gives you a dc output that goes to thebattery bank. therefore, in my hands i have four wires. two red and two black. and that is basically the cahrge controllerpositive and negative and the inverter positive and negative. and that is it! literally! so what i will be going ahead and do rightnow, this is my battery bank, i connected earlier.
in the previous video i showed you how i connectedmy battery bank. this is my negative terminal so these twowires which are on the negative side. this is the negative for my inverter, it ispretty thick. it is about a 1/0 wire because the inverterwill be pulling alot of current. and this is my negative for my charge controller. coming in from the solar panels so they'llboth be connected there. this is now the positive for the inverterand the positive again for the charge controller coming in from the breaker. alright, so let me go ahead and do a quickconnection and then we can come back and discuss.
i will hold this, remove my screw. first you always connect the negative terminalfirst! always! always connect your negative first. then check your terminals. it is very good using a 14mm spanner to tightenup all the terminals and ensure that everybody is tight and snug. also when you're working with batteries norings, and ensure that you're working with only one hand.
the moment you introduce another hand in theequation you can create a path for current to flow and that doesn't feel good. from my personal experience. now we come over to the positive side. first, please ensure that all your circuitbreakers are in the off position. before that, ensure that you're even usingbreakers. some persons can connect the batteries directlyto the inverter or charge controller it's not safe and its not recommended but it willwork. if you're just doing a prototype it will workbut please don't do that if it is a professional
customer's installation you're executing. alright, now you go ahead and you remove theterminal for the battery. now you connect you're positive wire, it mightspark so be careful guys. wear your protective eyewear and no jewelry. and it did not spark because the breaker isnot in the on position. so the breaker helps in protecting you aswell. alright! so it is good when those breakers are off. so i have connected that and i have tightenedup.
i am now going to head on over and flick onmy breakers and let's see what happen. but before i do that i will be doing somechecks ofcourse. so i will get my tester. mrs. bailey would you like to help me please. she is busy, she is preparing the course materialfor this episode. how many volts are you getting mrs. bailey? sherika bailey: i am getting 25.2volts. kimroy bailey: 25.2 volts, so this is a 24vbattery bank and we are getting 25.2 volts so that is very good.
so we have a high charge currently. also i am going to check the voltage comingin from the solar panels. for the solar panels the negative goes straightto the charge controller right here but the positive goes to the breaker, right here. sherika bailey: i am getting 52.4 volts. kimroy bailey: so we're getting 52.4 voltswhich is pretty good. we have three 100w solar panels so that ispretty good. and that's about all that we will be checkinghere. so, the order for turning on your circuitbreakers you first turn on the circuit breaker
connected to your battery. do not turn on the circuit breaker from thepanel going to the charge controller becuase the charge controller will not have any whereto send the power. it will damage the charge controller. it might damage you're charge controller. so we first flick this one on! look at this guy here, 3 2 1 nothing happensthat's good. and let's go ahead and toggle this one on. great!
so we're getting that green blink, great! on the cover sheet of the charge controllerthis is a xantrex c40 charge controller. thank you mrs. bailey, alright! this is a c40 charge controller. it can operate as a 12v, 24v or 48v batterybank. right now we are connected to a 24v batterybank. it says when the green light is blinking itis in charge controll mode. so it is currently in charge control mode. quickly, just to run throught the connections.
i have two red wires here. one for the battery and one for solar panels. i have two negatives, i one the battery andthe other for the solar panels! great! both red goes to a breaker. from the solar positive to a breaker and thento the charge controller. from the charge controller to another breakerand then to the batteries. that's why you're seeing this crazy highwayof wires. it is good to have your wires in tiewrapsand neatly stocked away.
i will be doing that as well once i wrap upthis video. so i am getting charge now from my chargecontroller, that's wonderful. and i want to go ahead and power up to seewhat is going on with my inverter. alright guys! so i am going to turn this guy on, good! and now i am going to turn the inverter on. ah, great! so now my inverter is reading 24 volts andit just clicked on in power saving. so we're running pretty well.
i'll now be going ahead and covering up mycharge controller and also cover my circuit breakers and do a quick test on my inverterto make sure it can actually power something, anything. so let's get started! it is great to keep your screws close by andfirst one on. here we have the status led light, just ensurethat the led light is peaking through the cover. great! and once you have that on, you tapin your screw here!
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