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DC Microgrids

Overview

The developments in renewable technologies and the inefficiency of distributing power from centralized generators are currently leading the way to microgrids that will revolutionize power topology for the first time since AC won the AC-DC competition.

If the previous overview sounded a bit too theoretical then imagine this scenario…borrowing a cup of sugar from the neighbour is an ancient tradition…so if your house solar system ran out of power then how about borrowing power from your neighbour if he had any spare?  Currently, your only options are to buy more power in from the grid at a premium and then later return your excess generation to the grid at a pittance.

DC facts that may surprise you…

AC & was discovered at the same time leading to a bitter war between patent holders and industry groups.

AC lobbyist outsmarted DC and the AC campaign capitalised on AC safety/economics features to drive their supporting technologies features to win the grid.

DC for 100 years was slated as uneconomic and dangerous until electronic high voltage technology developed over the last 10 years.

Electronics mainly work with DC.

Against popular belief, it is possible to transmit DC current over large distances as proved by the 600km New Zealand DC undersea link built-in 1965  as here.

There are major advances being made in the safety of DC power detailed in our blog article here.

High voltage semi-conductors is making it possible to finitely control DC current from renewables that are mainly DC-based.

The Boeing 787 was the first complex machine to be entirely power centric in particularly in areas such as actuation that used to be hydraulics.  This has led to cost and weight savings making the switch iconic for future industry projects such as robotics etc.

CATIM support

Our Nimbus control PLC’s solution can manage your resources not just by optimising the use and statistics but also to source resources automatically at the best value using A.I.  Our Nimbus controller with unique power support and a built-in power supply is here.

Additional Post information

  • Review on Advanced Control Technologies for Bidirectional DC/DC Converters in DC Microgrids…see article here
  • Solar PV and Wind Still the Cheapest – CSIRO Report…see it here

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