Hengtong High Voltage Submarine Cable Co. (known as Hengtong High Voltage), a subcompany of Hengtong Optic-Electric, a leading manufacturer of optical fiber cable and integrated service provider for power-line communications in China, has produced the world’s longest length of 500kV AC XLPE submarine power cable without factory joints. With such a technical breakthrough, Hengtong High Voltage is not just continuing to improve its EHV submarine references but also consolidating its position in the industry.
Members of the Management Team in Hengtong Submarine Power Cable manufacturing plant celebrating the successful test of the cable.
The world’s longest length of 500kV AC XLPE submarine power cable without factory joints
The 18.15km of 500 kV XLPE submarine cable without factory joints successfully passed the complete Factory Acceptance Test on the 10th March 2018. In recognition of the achievement in developing the manufacturing process as well as the excellence of the cable system solution offered to the customer, the Management Team of the Cable Manufacturing Plant celebrated the milestone with all its workers.
The 500kV submarine cable system plays a key part of a very important power transmission and transformation project in Zhoushan, Zhejiang province in China. The cable will facilitate the power interconnection between offshore installations, Ningbo (a coastal city in Zhejiang province) and Zhoushan.
“The 500 kV XLPE submarine cable will be a crucial part of the power interconnectivity in the new development zone of the Zhoushan Archipelago,” stated Li Ziwei, chairman of Hengtong High Voltage. “We are extremely proud of our contribution to making the “made in China” a worldwide reference and also about the success of our teams that designed a differentiating solution overcoming important technical challenges. This solution will support the development of the energy grid in Ningbo-Zhoushan areas”
Since its creation, Hengtong High Voltage has been implementing numerous Research and Development programs on submarine power cable systems and submarine communication cable systems. Today, its products include integrated solutions that feature design, manufacturing, construction and maintenance operations.
In parallel to the development of its capabilities, Hengtong High Voltage has been developing different overseas markets as part of its international strategy. As an example, in 2016 the company provided more than 200km of 220kV compound optical fiber cable for one single project for the state grid of Russia. Moreover, Hengtong High Voltage has been successfully winning business in numerous relevant national projects in Egypt, Turkey, Thailand, Malaysia, Sri Lanka and Venezuela among others.
About Hengtong High Voltage
Founded in 2009, Hengtong High Voltage is a member of Hengtong Optic-Electric. A topnotch high-tech company and a leading player in energy internet, it has committed itself to providing integrated solutions in power-line communication, as well as manufacturing high- and extra-high-voltage cables, submarine cables, optical fiber compound cables, submarine optical fiber cables and related products.
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