Page 23 - North American Clean Energy January February 2014

Orlando Sanchez, center, mayor of Santa Cruz, Cape Verde, investigates the turbine

technology used to power desalination plants. He’s working to bring more afordable Quad ride-on Braking/crowbar
water to his water-starved community.
tractor
resistors
Ideal for paved and of-road work,
Vishay Intertechnology, Inc. introduces

the new Ditch Witch RT120 Quad a new series of stainless steel braking/ it). Additionally, the islands have one of the is high. With 1.1 billion people lacking
ride-on tractor is built around
crowbar resistors, featuring industry-high lowest underground water resources in sub- access to clean, afordable water, and a
an exceptionally heavy-duty pulse energy capability up to 3.46 MJ and Saharan Africa, after Djibouti.
demand expected to increase ive times
undercarriage to withstand punishing a pulse-current capability up to 12 kA. he As one of the only ways to access
by 2050, pundits are calling water “the

ground conditions and provide years Vishay Draloric resistors are optimized as fresh water, the country has turned to next oil.”
of reliable service. With a best-in- crowbar resistors for frequency converters desalination plants for 88% of its water Partnering wind turbines with water
class ground clearance of 15.5 inches for three-phase generators in wind power supply. hese plants are powered almost desalination plants is certainly one
(394 mm) and a 1,500-pound (680.4- plants and heavy-duty applications. he entirely by a series of small and ineicient feasible solution to respond to the 21st

kg) track frame that’s engineered to ULDCR resistors feature a patented, self- diesel generators. It’s been well documented century water crisis.
tilt, the RT120 Quad helps operators supported, and compact modular design that diesel exhaust contains various
more accurately dig a vertical trench that’s easily assembled. he resistors’ environmental pollutants and toxic air Izumi Matsumoto is a masters in Public
on uneven terrain and be more component materials are also resistant to contaminants, including many known or Administration candidate at the Harvard

productive around bar ditches and salt water.
suspected cancer-causing substances.
Kennedy School. He researches renewable
creek beds.
Ofering high operating temperatures Using wind power, instead of diesel, for energy innovations and policy. Chrissie
Featuring a 120-hp (89.5-kW), Tier up to 375° C (707° F), the ULDCR series the desalination process would eliminate
Long, a freelance journalist, who is also
4 Deutz diesel engine, the RT120 provides resistance values from 1 mΩ to a dependency on fossil fuels. Placing the pursuing a Masters in Public Policy at the

Quad’s three-speed, shift-on-the-ly several ohms, with available tolerances environmental beneits aside, it also lowers Harvard Kennedy School, contributed to
transmission allows operators to of ± 5 % and ± 10 %, and a maximum the cost of water from $3 per cubic meter this report.
quickly adjust to changing ground expected change of resistance in service to $1.6. his would essentially allow the hey have done work in collaboration
conditions. Standard rear steering of less than ± 20 %. Higher pulse load country to develop its own agriculture base, with Wind4Water, a social enterprise

gives the RT120 Quad a tighter turn capacity versions built to customer and to redirect the money that previously pioneering the wind-powered desalination
radius, resulting in better jobsite speciications are also available. he went to fossil fuels to other needs.
process, which is working in collaboration
maneuverability. he RT120 Quad resistors are also manufactured without Today, the renewable energy market with Cape Verde to put several systems

also handles several attachments
any organic compounds, the devices are is still nascent on the archipelago. Even online.
to productively tackle a range of RoHS-compliant and conform to Vishay though Cape Verde has exceptional wind
underground construction tasks. “green” standards.
energy potential, currently only three Wind4Water | www.wind4water.com
Ditch Witch | www.ditchwitch.com
Vishay Intertechnology, Inc. percent of power generation comes from

www.vishay.com
wind power.
Combining wind with water is quite
promising, however, and has received
support from the local government and

international entities. he government
of Cape Verde has recently adopted an
aggressive plan that calls for generating
at least 50% of the nation’s energy from ISO Codes.

renewable sources by 2020.
he German government has raised the Right on Target.
challenge to 100%, pledging to help inance
the transition. Furthermore, during the 5th

Tokyo International Conference for African
Development (TICAD-V), held in June hyproiltration.com/
2013, the Japanese Prime Minister Shinzo
Abe expressed interest in investing as much

as $160 million for water desalination in
Cape Verde. With the support of Japan, a
full conversion wind-powered desalination
in Cape Verde is not out of the question.

Cape Verde is not the only country where
potential for the wind and water concept

North American Clean Energy 23