Hawaii wind project includes battery storage

Archived; click post to view.
Excerpt: A developer of power-storage equipment for utility-scale tasks will supply a 15 MVA, 10 MWh battery and power-management controls for the Kahuku Wind Project on Oahu. This marks the second Hawaiian project for which Xtreme Power, Kyle, Texas (xtremepowerinc.com) has supplied equipment. The groun …

8 kW wind inverter comes with double standard warranty

Archived; click post to view.
Excerpt: An 8,000W inverter for wind turbines expands the Windy Boy lineup, which now consists of five models ranging from 3,000 to 8,000 W. The unit’s factory warranty, from SMA America, Rocklin, Calif. (sma-america.com) has also been increased to 10 years, with the ability to extend to 15 or 20 years. …

Building a better battery

Archived; click post to view.
Excerpt: T2 Technology, a deep cycle battery, works well with wind turbine and solar systems. Three significant developments from developer Trojan Batteries make the devices noteworthy: Alpha Plus Paste, a proprietary, high-density formulation optimizes porosity development in the active mate …

Chemical capacitor to store wind power

Archived; click post to view.
Excerpt: Xtreme Power Inc says it has power storage technology that can beat lithium ion batteries in terms of energy efficiency, cycle life, and cost. The Texas-based company won a contract to install a 10-MW battery to back up a 30-MW wind farm planned for Oahu, Hawaii. Project developer First Wind rec …

Overview of wind power storage media

Archived; click post to view.
Excerpt: Wind power storage development is essential for renewable energy technologies to become economically feasible. There are many different ways in which one can store electrical energy, the following outlines the various media used to store grid-ready energy produced by wind turbines. For more on appli …

Solving the use-it-or-lose-it wind energy problem

Archived; click post to view.
Excerpt: Examine a utility’s load curve over the course of a week and the trace looks like a roller-coaster. Demand for electric power peaks about 5 pm each day and declines to a low at about 2 am. Look closer and you see demand changing almost by the second. So there are two problems here that befuddle el …

Lithium battery could store wind generated power

Archived; click post to view.
Excerpt: Toshiba International Corp. says it has established a U.S.-based sales and support for its recent Super Charge Ion Battery, SCiB. This nano-based lithium technology is noteworthy for a rapid-charging capability of 90% in less than 5 min., according to the company, a life of more than 1 …

Wind-to-H2 plant more efficiency with multilingual controls

Archived; click post to view.
Excerpt: In large facilities such as water treatment and power plants, it’s common to find many different control systems on a range of equipment. The simple programmable logic controllers frequently encountered can operate the equipment, but offer little additional capability. Most vendors pay little a …

Will This Contraption Work?

Archived; click post to view.
Excerpt: Here’s inventor Tom Gilmour’s idea for a vertical axis windmill he calls Tom’s Whirligig. Gilmour acknowledges that because of its complexity, he’s not sure it would work if built. Nonetheless, he has patented the design. The windmill consists of a carousel and eight airfoils or blades. T …

Planning a Better Battery for Wind

Archived; click post to view.
Excerpt: The people at IBM’s Almaden Institute say its goal is to catalyze long-term, concerted efforts to create rechargeable next-generation batteries with ten times higher energy density, than the best current Lithium-ion batteries. IBM thinkers recognize that renewable energy sources, such as wind and …