Under the contract, Siemens will supply three type HB3-80 switchgears, each with an output of 100MVA, a voltage of 12kV, and a rated current of 5,000A.
The HB3-80 generator switchgear is single-phase encapsulated designed to offer maximum operating reliability and enhanced personnel safety by eliminating the potential for short circuits between the phases.
Siemens is scheduled to deliver the first switchgear in September 2015 which will be followed by the other two in June 2016. The switch gear will be manufactured in Germany.
Said to be the largest geothermal power project to date in the country, the Sarulla geothermal power project is owned and will be operated by Sarulla Operations (SOL), a joint venture of PT Medco Energi International with 27.5% stake, Ormat 12.75%, Itochu 25% and Kyushu Electric 25%.
HDEC serves as the engineering, procurement and construction (EPC) contractor for the power plant.
Planned to be completed by 2018, the plant is expected to have 351MW of geothermal electricity per year.
Last Year, Toshiba was selected by Sarulla Operations to provide three 60MW geothermal steam turbines and generators (STG) for the Sarulla geothermal project, which is planned to be developed in three phases, each with 110MW capacity.
The first phase of the project is scheduled to be commenced in 2016 followed by the other two phases in 2017 and 2018.
Indonesia’s government-owned electricity firm Perusahaan Listrik Negara (PLN) will purchase the power generated from the project.
The country holds the largest potential geothermal source and is estimated to be approximately 27,000MW.
Image: A Toshiba steam turbine to be used in the project. Photo: courtesy of TOSHIBA CORPORATION.
