article thumbnail

This Clock Made Power Grids Possible

Cars That Think

As more power stations adopted the clocks, the frequency regulation allowed them to share electricity and create an interconnected power grid. The Telechron Model Type E master station clock shown at top was used at the Tennessee Valley Authority beginning in the 1930s. regulated over 95 percent of all U.S.

article thumbnail

Why the Next Microgrids Will Be Well Connected

Cars That Think

The winds had barely died down when electric-power specialists and others began calling for a radical overhaul of Puerto Rico’s electricity networks, one that would emphasize renewable energy, distributed generation, and, critically, microgrids. A microgrid is like a miniaturized, tightly controlled version of a power grid.

article thumbnail

Coming Soon – The Electric City

Revenge of the Electric Car

And at the headquarters of Pacific Gas and Electric, utility executives are preparing “heat maps” of neighborhoods that they fear may overload the power grid in their exuberance for electric cars.&#. Nissan plans to build the Leaf in Tennessee eventually.). Battery-powered motors are more efficient than gasoline engines.

article thumbnail

DOE ARPA-E awards $156M to projects to 60 projects to accelerate innovation in clean energy technologies

Green Car Congress

Laboratory, Grid. Protection Alliance, Tennessee Valley. Robust Adaptive Topology Control (RATC) Historically, the electric grid was designed to be passive, causing electric power to flow along the path of least. power grid. Tennessee – Knoxville, Waukesha Electric. connected together.

Energy 294
article thumbnail

Electric Cars and a Smarter Grid - Green Inc. Blog - NYTimes.com

Tony Karrer Delicious EVdriven

. “The more fluctuating energy you have from renewables, the more it makes sense to have a smart grid,&# said Markus Ewert from the new technologies team of German utility E.ON “It would help stabilize the energy flows, so you don’t come up against the limits of the grid. While utilities such as E.ON

Grid 47