POWER September 2015 - 15

4. Red-hot innovation. A new nickel-alloy steel grade developed
for Rosatom's flagship advanced VVER-TOI reactor core shell will
extend the service life of the reactor vessel up to 120 years, says a
research arm of the Russian state-owned nuclear company. Courtesy:
Rosatom
said Alexander Romashkin, acting deputy director of the Metallurgy
and Engineering Institute affiliated with the Central
Research Institute for Machine Building Technology. " The
ingot was then forged into a record-large shell, 6 [meters
(m)] high and 4.5 m in diameter. As it has no weld seams,
it will be used as a part of the reactor vessel [that] is most
intensively bombarded by neutrons. "
According to the World Nuclear Association (WNA), the
VVER-TOI (typical optimized, with enhanced information) design
evolved from the AES-2006 plant with a V-392M reactor.
Though the project to develop the large-capacity water reactor
was launched only in 2009, Rosatom plans to make the
reactor standard for new projects in Russia and worldwide,
with minor variations.
In Russia, VVER-TOI reactors will be installed at Kursk NPP-2
(by 2020-2022) and Smolensk NPP-2 (by 2027). The WNA says
the VVER-TOI is the chosen design for reactors Rosatom will build
at Kundankulam 3 and 4 in India and at the four Akkuyu units in
Turkey. The company has not decided yet where to use the new
reactor shell, however.
The technological innovation is pivotal for Russia-and for
the global nuclear industry. " While the reactors operated in Russia
have a service life of 60 years, new VVER-1200 reactors to be
installed at Novovoronezh NPP and Leningrad NPP-2 will work
for 100 years. Achievements of the Central Research Institute
for Machine Building Technology will make reactors live more, "
Rosatom said.
Russia will now set up production of the reactor shells at the
Energomashspetsstal plant owned by Atomenergomash, where
the pilot shell was produced a year ago.
POWER Digest
ABB Snags $450M Contract for Norway-UK Undersea Link.
ABB on July 14 won a $450 million contract to supply highvoltage
direct current (HVDC) converter stations at both ends
of the North Sea Network (NSN), a 730-kilometer line that will
link the United Kingdom (UK) and Norway. When completed
(expected in 2021), the NSN will be the world's longest subsea
power interconnection. The line is designed to transmit power
from the UK (when wind power generation is high and power
demand is low) to reservoirs in Norway. When demand rises and
September 2015 | POWER
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15
wind power isn't sufficient, power from Norway's hydropower
plants will flow to the UK. ABB will design, engineer, supply,
and commission two ±525 kV, 1,400-MW converter stations, using
its Voltage Source Converter technology called HVDC Light.
One station will be situated in Blyth, UK, and one in Kvilldal,
Norway. ABB recently won a contract for the 1,400-MW NordLink
interconnection rated at ±525 kilovolt (kV) to connect Norway
and Germany.
Alstom to Provide Turbines for Nigeria's 700-MW Zungeru
Hydropower Project. Alstom will supply 175-MW Francis
turbine generator sets and related equipment for the 700-MW
Zungeru Hydropower Project, Nigeria's largest hydropower plant
under construction, under a $54.3 million contract with China
National Electric Engineering Co., Ltd. finalized this July. Alstom
Hydro China (AHC) is responsible for the equipment design,
manufacturing, supervision of the installation, commissioning,
testing, as well as site services. The hydropower project that is
part of the power-short country's energy master plan is located
on the middle and upper reaches of River Kaduna near Zungeru in
Nigeria. Nigerian officials are confident of the plant's completion
even as the government faces criticism for stalling construction
of the 3,000-MW Mambilla hydropower plant on the Donga River
in Taraba State by more than three decades. Newly inaugurated
President Muhammadu Buhari has pledged to redefine agreements
for that project.
Sarus Solar Moves to Build 500-MW PV Facility in India.
Sarus Solar, a joint venture between three Canadian firms,
plans to invest more than $1 billion in a 500-MW solar facility
on about 16 acres of land in India's Maharashtra state. The
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POWER September 2015

Table of Contents for the Digital Edition of POWER September 2015

Contents
POWER September 2015 - Cover1
POWER September 2015 - Cover2
POWER September 2015 - Contents
POWER September 2015 - 2
POWER September 2015 - 3
POWER September 2015 - 4
POWER September 2015 - 5
POWER September 2015 - 6
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POWER September 2015 - 8
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POWER September 2015 - Cover3
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