The Anatomy of a Microgrid – The Pros and Cons of AC and DC Coupling

Microgrids can offer distinct advantages to consumers and utilities. Improved efficiency, reduction of consumption, reduced environmental impact, improvement of reliability of supply. Additional network operational benefits can include loss reduction, congestion relief, voltage & frequency control, and more cost-effective equipment replacement.

How their elements are electrically coupled can make a big difference and is particularly true when the system includes batteries. The optimal approach critically depends upon the application. However, recent industry reports forecast DC-coupled microgrids will be the standard topology by 2023 because of their economic advantages over AC-coupled solutions.

Learn from Luis Zubieta, Technical Leader at Emera Technologies


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