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Home / New Zealand


WIND-SNATCHING TURBINE COULD HAVE BIG FUTURE IN NZ

By Jamie Morton
Multimedia Journalist·NZ Herald·
20 May, 2014 07:03 PM2 mins to read

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The turbine system is capable of generating large amounts of power from light
breezes, according to its makers.

The turbine system is capable of generating large amounts of power from light
breezes, according to its makers.

It looks more like an air raid siren than a wind turbine, but a mechanical
engineer's system could prove an important part of New Zealand's future clean
energy supply, its backers say.

Dr Daryoush Allaei, chief executive of US-based company Sheerwind, visited
Auckland University last week to give a lecture on the wind-snatching turbine he
developed.

Dr Allaei told the Herald he saw his turbine, which features a ground-level
funnel rather than propellors and a tall tower, as a good match for New
Zealand's aspirations to source 90 per cent of its power from renewable energy
by 2025.

The Invelox system, which is being rolled out at sites in the US, Europe and
Middle East, is capable of generating large amounts of power from light breezes,
with zero noise.

"Instead of snatching bits of energy from the wind as it passes through the
blades of a rotor, Invelox captures the wind and directs it."

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The generators were able to keep working with winds travelling at 3.2 kilometres
per hour, while traditional generators required winds of 14 kilometres per hour,
Dr Allaei said.

Further, a single tower can generate up to 25 MW of electrical power - enough to
power around 25,000 homes.

Its funnel drew wind through pipes, then down into turbine generator systems,
which converted it into electricity.

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As no pivoting turbine or moving components were needed at the intake, Dr Allaei
said the system could be built right next to, or inside, cities.

In New Zealand, the technology has been licensed to Pacific Wind Limited.

Its executive vice president, Reza Sehdehi, said negotiations were underway with
several power companies, Wellington City Council and Auckland Council, and
Waiheke Island was already being looked at for a pilot project.

Mr Sehdehi felt that energy production in New Zealand was presently too
expensive.


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21 May 05:41 PM
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THE BATTLE FOR MATIATIA BAY

14 Jun 05:00 AM

"We believe this technology will solve these issues."

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