Siemens Energy’s digital transmission technology enables push for wind energy in Vietnam

Siemens Energy has been awarded a contract by Technology Resources Energy (TRE) to equip two onshore wind farms in Vietnam with Sensproducts, digitally enhanced transmission equipment.
Siemens Energy’s digital transmission technology enables push for wind energy in Vietnam
Courtesy of NREL

The two wind farms IaPet-Dak Doa 1 and IaPet-Dak Doa 2 are both located in the Dak Doa district of Gia Lai province in the country’s central highlands and will have a capacity of 100 megawatts each. The wind farms are part of Vietnam’s ongoing Power Development Master Plan to further push the integration of renewable energy sources and to enhance the power supply.

“The Dak Doa wind farm project is another excellent project demonstrating how digitalisation is providing the technical basis for the most efficient use of renewable energy sources” said Beatrix Natter, Executive Vice President Transmission at Siemens Energy. “With the order of our Sensproducts TRE chose a future-proof transmission system and I am proud that our digital portfolio will play a distinct role in fostering the integration of wind energy in Vietnam.”

Duong Quynh Hoa, CEO of TRE, added that once completed, the IaPet Dak Doa substation will be operated with two transformer banks of 900MVA capacity each and become the key to both north and south grid system, and that located right next to the existing Pleiku 2 substation, which is also being upgraded, the total capacity of both combined substations will make this the biggest connection point in terms of capacity throughout Vietnam.

"For that reason, we have opened the bid to select the best solutions and are very grateful to award the contract to Siemens Energy" she said. "We hope that Siemens Energy’s consistent quality and excellent services shall bring success to the long-term operation of our wind farm and the 500-kilovolt substation".

Siemens Energy will equip the substation connecting the wind farm with the national grid. Amongst other substation assets, the company will deliver digitally enhanced transmission products with advanced intelligence from the company’s Sensproducts portfolio, including connective circuit- breakers, surge arresters and power transformers. Equipped as Sensformer Advanced units the transformers come with a digital twin, a synchronised thermo-replication of the physical asset, that will allow the operator to manage temporary overloads without compromising on lifetime.

The scope of supply of connective transmission equipment includes three units of 500 kV and two units of 220 kV power transformers, three 500 kV and six 200 kV circuit-breakers with advanced trending as well as 15 surge arresters rated at 500 kV. All these assets will be equipped with smart IOT (Internet of Things) technology and sensors to measure the most important operating parameters. The operator will be able to check the status of the substation assets via online applications in real time to increase efficiency and availability of operations. Additionally, the company will deliver conventional disconnectors, instrument transformers and current limiting reactors.

The energisation of the substation is scheduled for August 2021. At the IaPet-Dak Doa one and IaPet-Dak Doa two wind farms a total of 44 wind turbines will be installed. They are expected to generate a gross energy of about 532,622 megawatt hours annually.

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