Wind Energy Storage System

Beijing Huadian Tianren Electric Power Control Technology Co., Ltd., a subsidiary of China Guodian Corporation, selected Maxwell’s ultracapacitor technology as the core component of a wind farm energy storage demonstration project. China Guodian Corporation is one of the five largest power producers in the country, and the project is the first megawatt-scale, ultracapacitor-based wind farm energy storage system in the world.

"Ultracapacitors’ long cycle life and fast response capabilities can smooth power output fluctuation, allowing large-scale wind farms to connect to the grid as a more reliable power generation source," said Yu Kang, the demonstration project leader at Beijing Huadian Tianren Electric Power Control Technology Co.

"We recognize Maxwell’s successful experience in energy storage, as well as the company’s advanced and reliable products."
The demonstration project has deployed 1,152 Maxwell 56-volt, 130-farad ultracapacitor modules, which is the largest ultracapacitor system in wind farms across China.

"Maxwell's ultracapacitors are a perfect fit for this wind farm energy storage demonstration project, and with growing demand, we see a great deal of opportunity to partner with more Chinese customers to expand ultracapacitor-based energy storage in more applications," said Dr. Franz Fink, Maxwell’s president and chief executive officer.

Compared with conventional batteries, ultracapacitors discharge and recharge power quicker, with a longer lifetime and better performance in low temperatures.

Maxwell’s ultracapacitors stabilize short-term power output fluctuation in wind farms and cabling in large-scale deployments, ensuring reliable access to wind-generated power on the grid.

Learn more about Maxwell’s ultracapacitor modules for wind farm applications:
Maxwell Technologies’ 56V series of ultracapacitor modules provides power during dips and sags in the main power source. In longer-term outages, the modules provide transition/bridge power to a longer-term backup source, such as a motor-generator or fuel cell. For industrial applications, ultracapacitor modules provide power for graceful shutdown of process equipment.

The modules can last up to 15 years in backup, occasional-use applications. They are designed to fit in standard rack systems with up to 10KW (15 seconds) in 4U height. Two modules can fit in a 19-inch rack, while three can fit in a 23-inch rack.

Maxwell ultracapacitor modules effectively replace batteries in these applications. They are maintenance-free for up to 14 years and entirely non-toxic.

More information, www.maxwell.com

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