40
aiR PollUtion contRol
Better power transmission helps
stabilises manufacturing process
SIS, a South Korean contractor electrical grids by offering remedies for voltage
Many companies, from
steel manufacturers
to refiners, are turning
L
and manufacturer of electrical and stability issues and allow the transmission
equipment, has ordered a flexible system to run more efficiently.
AC transmission system (FACTS) FACTS therefore enables more power to
to advanced power worth US$8.5m from Zurich-based power and reach consumers with minimum impact on
transmission solutions
automation technology group ABB. the environment and at a fraction of the cost
in order to stabilise their
The system, for an SVC Light rated at compared with the alternative of building new
processes.
-10/+90Mvar at 22kV, will be used on a Japanese transmission lines or power plants.
steel plant for stabilising the voltage feeding an Building a new overhead transmission line
Un grand nombre
electric arc furnace, as well as for mitigation of takes several years and has a huge impact on
d’entreprises, des
electric disturbances emanating from the steel the environment, whereas a FACTS installation
aciéristes aux affineurs,
making process, and if unremedied, detrimental requires no or limited access to new land and
se tournent vers les
to power quality in the feeding grid. is normally in service 12 to 18 months after a
solutions de transmission The plant is Asia Special Steel Company contract is awarded to the supplier.
de puissance de pointes
in Fukuoka Prefecture. The main contractor SVC Light is a novel power semiconductor
afin de stabiliser leurs
is POSCO E&C which is a sister company of technology based on power transistors (IGBT,
procédés.
POSCO, Korea’s largest steel producer. The insulated-gate bipolar transistors). In the steel
order was booked in the second quarter of metallurgical industry, due to its very high
Viele Unternehmen von
2008. “The contract is a breakthrough for ABB’s dynamic response, ABB says the technology
Stahlherstellern bis zu
FACTS technology on the important Japanese is unrivalled – particularly as a mitigator of
Raffinerien, wenden sich
market,” says Per Eckemark, head of ABB’s incandescent lamp flicker.
modernen FACTS unit in Vasteras. ABB is also providing process automation
Energieübertragungs- SVC Light is part of ABB’s FACTS and power management systems for 10 of
lösungen zu, um ihre
portfolio. The term FACTS covers a number Petrobras’s 12 refineries in Brazil – solutions
Prozesse zu stabilisieren.
of technologies that enhance the security, that will help increase production by
capacity and flexibility of power transmission 40 per cent and produce new low-emission fuels
and distribution systems, as well as enhance from renewable sources of energy.
productivity and power quality in industry. The solutions are part of a modernisation
FACTS consists of two main technologies: programme to boost production capacity at
series compensation and dynamic shunt Petrobras refineries in Brazil and produce new
compensation. high-quality, low-sulphur fuels and biofuels to
Series compensation was invented by ABB in meet growing global and domestic demand for
1950. It made possible the world’s first 400 kV cleaner forms of energy. In addition to building
transmission in 1952 by resolving the issue of new units for distillation, hydrotreatment,
how to transmit power over long distances. The cooking, desulphurisation and other processes,
solution lay in making the distance between the Petrobras is constructing 50 new substations
power-generation plant and the end-users of and modernising about 40 others to the new
electricity seem shorter, in an electrical sense. IEC 61850 global standard for interoperable
As a result, power can be transmitted at levels substation automation devices.
considerably higher than the natural loading of ABB process automation and power
the transmission lines. management systems are already installed at
Dynamic shunt compensation is six of the 12 refineries and power management
a technology that uses high-power systems at an additional four refineries. Over
semiconductors to automatically adjust the the next five years ABB will upgrade and
voltage level in a specific area of the power expand the systems to incorporate the new
system if necessary. This helps avoid sudden and revamped production units and IEC 61850
surges and improves the stability of the grid. substations.
Electricity is lost during transmission and The 10 refineries have a combined refining
losses can be minimised by increasing the capacity of about 1.6 million barrels a day,
voltage. FACTS technologies provide a fast equivalent to almost 80 per cent of Petrobras’s
and effective way of increasing the capacity of total refining capacity. v
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