how to install the solar system to your house city power?

Maybe you also have one question :i buy one solar system,how to combine to my household city power?

see the video below:

Every house have one main breaker,our solar system inverter output connect to your bracket output

if house have three phase from electricity company ,so just need connect L+N any one phase ,like the video .so finihsed connect ,your house electricity will use solar power first.