Princeton Power Systems unveils high-voltage DC transformer

Princeton, N.J., December 19, 2011 — Princeton Power Systems uncovered its bi-directional high-voltage DC Transformer, a new technology used for transmission and distribution applications. The transformer will function as a beneficial power management device, distributing power between two or more remote locations in Alaska.

The DC transformer, scheduled to be installed in early 2012, allows for economical transmission of power over DC power lines.

In addition to the bi-directional capabilities of the transformer, it also dramatically decreases the cost of electricity by eliminating the need for small distributed diesel generators, currently used to power many rural communities.

While AC power lines are more conventionally used for transporting electricity, the DC transmission line demonstrates more efficiency over relatively short distances and low power levels.

When interconnected with a DC transmission line, more efficient central generators and renewable generators can power multiple communities, adding redundancy and reliability to the power supply.

The primary projects intended for the transformer are meant to transport power over distances of roughly 25 miles, but the transformer and DC transmission technology are capable of much greater and shorter distances.

The transformer has a rating of 1 MW of power and can be installed in parallel for much higher power levels. With this technology’s ability to function over great distances, the transformer will be useful for sending power over large bodies of water, or large areas similar to the rough terrain in Alaska.

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