Electronic Circuit: MyPictureDay Submission

My day is always fun to begin with. I get to my work place and it turns out that there is a job involving a three phase auto changeover, an ordered square wave inverter and a programmed battery charger.
Well below are the pix, as we engineer's don't talk too much.

The Circuit for the three phase auto changeover.

WhatsApp Image 2018-01-22 at 2.26.27 PM.jpeg

The Ordered Square wave inverter.

15781325_1876206692592368_1377867678543210814_n.jpg

The Programmed battery charger already completed.

charger (2).png

sorry about the orientation of this last picture.

Picture credit: My infinix hot 2

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