please re watch the video from lesson 1 https www youtube com watch v
Please re-watch the video from Lesson 1:
Then, answer the following questions related to the lesson topics.
Read below for video transcript of "How Solar Works."/nHow Solar Works
As shown in the video, a solar array can be installed on a rooftop for residential application. After all mechanical holding
structures are installed on the roof, the solar panels can be fastened to it [0.05-0.10]. When the sun shines on PV panels,
photons are converted into electrons that form electrical current when it moves towards the circuit terminals [0.11-0.20].
The electrical DC current then travels through conduits down towards a power conditioning unit (AKA inverter) [0.21-
0.29]. The current is converted to AC electrical current and travels through an AC disconnect box [0.30-0.33]. When the
AC current exits the disconnect box, it goes through a PV production meter to count energy generated [0.30-0.36]. After
that, the current is backfed to the lower side of the Main distribution panel (DP), where all load circuits are connected,
through a protection breakers [0.37-0.39]. When the PV array is generating power, the load circuits draw power from the
PV array instead of the grid [0.40-0.43]. While the PV array is generating power, the monitoring device is transmitting the
data to an online portfolio, where clients can see their instantaneous PV array performance online [0.44-0.51]. Finally, the
> excess energy generated from the PV array is returned to the utility grid [0.52-0.58]./nFrom owner's perspective, Roof mount systems are preferred because :
The installation utilizes unused spaces
O The BOS cost are minimal
O The system is more secure (not easy access to theft)
O All of the above
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