Engine & Turbine Technology
installed at PP10 is improving overall plant reliability and will deliver operational and maintenance efficiency over the generating life of the power plant. Te Riyadh PP10 site is currently the biggest installation worldwide for GE’s Mark VIe ICS. GE is expanding its energy presence in Saudi Arabia
through knowledge-sharing initiatives and increased investments for technology centre that provide service repair support and customer training in the power, water and oil and gas sectors. For example, the company recently inaugurated its
newest technology centre in Dammam, the GE Energy Manufacturing Technology Centre. Te US$250m (€194m) facility consists of three main components - an advanced service technology centre, a training centre offering the latest in technical and managerial courses, and as a high technology manufacturing hub for energy equipment dedicated to the entire energy value chain. GE currently supports the generation of half the
Kingdom’s electricity with over 500 GE turbines installed at various sites around Saudi Arabia.
Russian compliance Rolls-Royce has been awarded a contract to supply two industrial Trent 60 gas turbines to power LUKOIL’s Stavrolen power plant in Budennovsk, Russia. Te contract was awarded by Russian contracting company Synergetic Projects, general contractor of the Stavrolen power plant. Each Trent 60 unit will produce 58.5MW of power.
Exhaust heat from the engines will be recovered to drive a separate steam turbine, providing additional power to the Russian electrical grid and high-pressure steam to support industrial processes at the Stavrolen polyethylene plant. Each Trent 60 unit will feature Rolls-Royce low emissions technology to minimise environmental impact (Fig. 1).
Tis latest announcement follows a contract
awarded in 2011 to supply LUKOIL with five Rolls-Royce Bergen diesel engines, each producing 5.2MW to provide power for pumping, refining and related services at the LUKOIL diamond mine in the Arkhangelsk region of Russia. Meanwhile two other Trent 60 gas turbines have successfully entered service at the new EDF Luminus power plant located at Angleur in the city of Liège, Belgium.
Te gas turbines, each capable of producing 64MW
of power, can achieve fast start-up in just nine minutes, helping EDF Luminus deliver continuity of electricity supply to households and businesses in Liège during peak demand periods. Te Rolls-Royce Trent 60 units can operate on either liquid or gas fuel and each feature wet low emissions and advanced inlet spray inter-cooling technologies to reduce emissions and ensure that maximum power output is maintained over a wide range of temperatures.
Bavarian biomass Dresser-Rand is to provide Max Bögl Group with an indirectly fired KG 2-3 G gas turbine for use at the company’s new biomass cogeneration plant in Bavaria, Germany. Heat from the biomass cogeneration plant will be
used to produce five tonnes of saturated steam which, in turn, will be used to produce concrete for pre- fabricated components and for electricity conversion. A significant part of the clean, hot air from the turbine cycle will also be used in the asphalt production process and grinding plant. Chips made from untreated wood, which will come
from local agriculture and foresting farms or short rotation forestry, will be used as a carbon dioxide- neutral fuel. ●
Gas turbine hits efficiency highs W
ith an efficiency level of more than 60 per cent in the combined-cycle operation,
Siemens says that its SGT-8000H Series is the world’s most efficient gas turbine. Tested in actual operation at the Ulrich
Hartmann power plant near Irsching, Bavaria, the SGT5-8000H – Siemens’ solution for the 50 Hz Class – has already accumulated more than 8000 equivalent operating hours and more than 200 starts, during gas turbine field testing and combined-cycle commissioning. The rated output for SGT5-8000H under ISO conditions is 375MW in simple- cycle and 570MW in combined-cycle operation. Compared to state-of-the-art
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advanced combined cycle power plants, this new gas turbine contributes to reducing annual carbon dioxide emissions by approximately 43,000 tonnes. That is equivalent to the annual carbon dioxide emissions of more than 10,000 mid-size cars traveling 20,000km/y. With a hot plant start-up time of only about 40 minutes, it will maximise the operator’s efficiency, performance, and flexibility. This performance has already won
the innovation prize for climate and environment which is awarded by Germany’s Ministry of the Environment. For the world’s most efficient gas turbine, Siemens Energy was placed first in the ‘Green products and services’ category.
Crossing the Atlantic for new
destinations, the SGT-8000H technology is available for both 50 Hz and 60 Hz applications. Florida Power & Light (FPL) has already selected Siemens’ next generation H-Class turbine technology for two plant modernisation projects in Florida. The modernised plants will become Florida’s cleanest: with more than 60 per cent efficiency, previous emission levels will be halved and costs cut significantly. “By implementing Siemens modern
H-Class turbines, our customers will realise a 5-8 per cent higher return on investment compared to state-of-the-art F-Class engines,” says the company. ●
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