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Marine aids to navigation for offshore wind farms

As of 31 October 2021, Vietnam's national power system had 84 wind farms with a total capacity of 3,980.27 MW recognised for commercial operation (COD).

Wind farms are installed in Quang Binh, Quang Tri, Gia Lai, Dak Lak, Binh Dinh, Binh Thuan, Ninh Thuan, Bac Lieu, Tra Vinh, Soc Trang, Ben Tre, Ca Mau and other provinces.

Offshore wind turbines must have a maritime safety plan that complies with the national technical regulation on maritime aids to navigation, QCVN 20:2015/BGTVT.

VIJALight® lanterns are used at the Korea – Tra Vinh wind farm (phase 1) and the Soc Trang 7 wind farm.

The marine aids-to-navigation system at the Korea – Tra Vinh wind farm (phase 1) has 12 lanterns on 12 wind turbines. They are lanterns with built-in status and position monitoring, so the whole system can be managed remotely at baohieu-esmart.com (models VIJA-218COM with a 2 NM range and VIJA-540T with a 10 NM range).

All the lanterns flash in sync using GPS satellite timing and periodically report current, voltage and flash character to the aids-to-navigation management software over the GSM mobile network. Managers can monitor every lantern in the system 24/7, spot lanterns that have failed or are about to fail, and act in time to keep both shipping and the wind turbines safe.