Article published February 10, 2015
A newer, more efficient, direct-current technology is now in effect in the wind turbines just offshore of Germany. This technology ensures that the transfer of the energy to the land is over 96 percent efficient.
The new technology, called High Voltage Direct Current Transmission, or HVDC, is the best and only answer for offshore grids that require a cable longer than 80 kilometers, and its simple and compact design is perfect for offshore wind farms. Additionally, the technology is self-stabilized, making it the most efficient of its kind.
All offshore wind farms are a little pricier, but with good reason. The reliability for offshore wind farming is higher and the turbines work more hours, both of which generate more renewable energy. However, the cost is also higher because the energy needs to be transported much farther than if the wind farm was on land. The longer the distance for the energy to travel, the higher the percentage of energy lost.
That is what makes this technology so important, especially for the German offshore wind farms. Due to their landscape, the wind farms have to be more than 80 kilometers offshore and before this technology, barely any of the energy was making it to land.
HVDC is a huge step in the right direction for offshore wind farming all over the world.
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