Difference between revisions of "DC Microgrid"

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* [https://pads.c3w.at/pad/#/2/pad/edit/iTdAUItM2Ts43FA1gIzsgnUc/ Gear list started by /dev/lol people]
* [https://pads.c3w.at/pad/#/2/pad/edit/iTdAUItM2Ts43FA1gIzsgnUc/ Gear list started by /dev/lol people]
* [https://social.tchncs.de/@tiefpunkt/102393565412730096 Mastodon thread]
* [https://social.tchncs.de/@tiefpunkt/102393565412730096 Mastodon thread]

Revision as of 14:33, 4 September 2019

DC Microgrid

Release status: experimental [box doku]

Description self-sustainable power grid
Author(s)  Severin, Uli

We're looking to build a DC migrogrid at CCCamp19.

Gear we have built so far


Our gear at CCCamp19
  • Forty Eight Grid
  • Team Forty Eight

List of recommended devices

Power Out Boxes

48V-> 24/12/5V

  • DC sockets
  • Car sockets
  • USB
  • Switches + Fuses
    • What kind of fuse?
  • Volt/Amp Measurment - "Battery computer" -> Stats via LoRaWAN?

USB Charging Station

I have two 48V->5V DCDC converters (Product page, datasheet), which we could used tu build USB charging stations for powerbanks etc.

  • USB "power sensing" via data pins: [2], [3], [4]

Power In Boxes

12/24V -> 48V

  • Schottky Diode
  • Fuse / Currentlimiting
  • Batterymonitor / Datalogging -> LoRaWAN?
  • Auto-Disable with Under/Overvoltage

Battery Computers

https://www.aliexpress.com/item/32990834620.html https://www.aliexpress.com/item/32864994942.html https://www.aliexpress.com/item/32993234025.html https://www.aliexpress.com/item/32616324201.html https://www.aliexpress.com/item/32957814319.html https://www.aliexpress.com/item/32904528079.html https://www.aliexpress.com/item/32784107301.html


  • SELV [5] [6] [7]
  • Speakon
  • XT60
  • XLR-4
  • Car lighter plugs
  • DC barrel plugs

Further Reading