Two geothermal power plants in West Java that have been generating renewable energy for over two decades are about to benefit from a major retrofit of the turbine control systems by ABB.
Owned and operated by PT Indonesia Power Kamajong, the 55-megawatt (MW) Darajat geothermal plant, with a MHI-make steam turbine, has been operating for 22 years while Gunung Salak geothermal plant, with three generating units of 60 MW each, has been operating for more than 20 years with Ansaldo-make steam turbines.
With such a long lifetime, their turbine control systems now lack state-of-the-art functionality, spare parts and technical support from the original manufacturer, and therefore require upgrading to the latest digital technology.
ABB has won the contract to replace the digital electro-hydraulic control (DEHC) system for the steam turbines and will retrofit and replace the turbine control systems with ABB Ability™ Symphony® Plus turbine control solutions, including governor control, turbine and automatic start-up and integrated Turbine Supervisory Instrumentation System, TSI, also known as Vibration Monitoring System, VMS.
The scope of supply also includes design, engineering, installation and commissioning, training and maintenance, and services post commissioning. Furthermore, ABB will supply auto synchroniser in the Darajat power plant and main stop valves and governor control valves for the three steam turbines in Gunung Salak power plant.
ABB Ability™ Symphony® Plus is part of the ABB Ability™ digital portfolio, a unified, cross-industry digital capability extending from device to edge to cloud. The new system being installed in West Java will come with advanced digital control and protection features - providing users with safe, reliable and economical operations while offering improved access to operational information to ease maintenance and increase availability. The overall project is scheduled for phased completion by end of 2020.
“We have been able to leverage our extensive experience in both digital technologies and turbine control systems to win this contract,” said Kevin Kosisko, Managing Director of ABB’s Power Generation & Water business. “This retrofit and replacement project will improve flexibility, reliability, availability and reduce maintenance cost at the two geothermal plants, while embracing new digital technology and features as an enabler and supporting our customer’s efforts to contribute to a sustainable future.”
Straddling oceans, continents and more than 13,000 islands, Indonesia covers 5,000 kilometers of dramatic landscape strung out along the equator. The world’s largest island country is also its fourth most populous - and its capital Jakarta is the second most populous urban area in the world - yet Indonesia is also home to vast areas of wilderness, high levels of biodiversity, and abundant natural resources. It is also among the most volcanically active countries in the world.
It is these unstable tectonics that lead to Indonesia’s rich geothermal resources. Currently Indonesia is the world's third largest geothermal electricity producer after the US and the Philippines, channeling its volcanic makeup into this sustainable form of energy. This clean geothermal energy could contribute to government plans to increase power generation capacity – in response to the needs of one of Asia’s fast-growing economies - and to target 23 percent renewables in its energy mix by 2025.
ABB is the number one in the market for distributed control systems (DCS) globally, confirmed by the ‘Distributed Control Systems Global Market 2016-2021’ report issued by ARC Advisory Group. The company has the largest fleet of installed control systems in the world (70,000) and 70 million connected devices, where ABB Ability™ Symphony Plus DCS has over 75 GW of installations globally.
For energy and water industries, it delivers integrated and secure digital systems, services and solutions to automate and optimize the performance of conventional and renewable power plants and water facilities.
ABB (ABBN: SIX Swiss Ex) is a pioneering technology leader in power grids, electrification products, industrial automation and robotics and motion, serving customers in utilities, industry and transport & infrastructure globally. Continuing a history of innovation spanning more than 130 years, ABB today is writing the future of industrial digitalization with two clear value propositions: bringing electricity from any power plant to any plug and automating industries from natural resources to finished products. As title partner in ABB Formula E, the fully electric international FIA motorsport class, ABB is pushing the boundaries of e-mobility to contribute to a sustainable future. ABB operates in more than 100 countries with about 147,000 employees. www.abb.com
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