NUST Researchers Designed a Water-Based Solar Cleaning Module
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The Dhaka and Western Zone grid expansion project is utilizing cutting-edge technology to increase efficiency, reduce emissions, and build climate resilience.
The Dhaka and Western Zone grid expansion project is utilizing cutting-edge technology to increase efficiency, reduce emissions, and build climate resilience.
Introduction
Despite significant socioeconomic development over the last decade, Bangladesh still faces significant challenges to long-term growth due to infrastructure deficiencies, particularly in the energy sector.
To achieve its vision of becoming an upper middle-income country by 2031. the country has made significant progress in increasing generation capacity to meet the growing demand for electricity. Nonetheless, the industry continues to face recurring power supply shortages, an increasing number of interruptions, and damaging voltage fluctuations.
Transmission and distribution losses and inefficiencies are persistent problems afflicting Bangladesh and other developing economies in the region. Applying the latest technologies in energy transmission, such as high-temperature low-sag (HTLS) conductors and dynamic line rating, can help address these issues and improve supply-side energy efficiency, renewable energy development, and cross-border power trade. Technological advancements also provide solutions for increasing the resilience of the electricity infrastructure to threats such as climate change, natural disasters, malicious attacks, and human error.
Advanced Technology Solutions
The Asian Development Bank (ADB) is supporting a project in Bangladesh to expand transmission lines in Greater Dhaka and the western zone using high-level technology applications to increase efficiency, reduce carbon emissions, and strengthen climate resilience. The project area includes the economic growth centers of Dhaka, Khulna, and Barishal.
The project, which began in 2019. is installing high-level advanced conductors, which were also used in the Southwest Transmission Grid Expansion project, which was approved in 2018. These new conductors allow for more power transfer while consuming less energy and are more resistant to extreme weather events. The project will also incorporate drone technology to improve operational and maintenance safety and efficiency.
The above video demonstrates how high-temperature low-sag (HTLS) aluminum conductor composite core (ACCC) cable reduces thermal sag when compared to conventional aluminum conductor steel reinforced (ACSR) cable. It also discusses the benefits of using drones to inspect transmission lines in order to make the work safer, more efficient, and cost-effective.
Once the transmission network has been upgraded and expanded, the improvements are expected to not only strengthen Bangladesh's energy security, but also to increase the country's capacity for more massive renewable energy integration and increased cross-border power trade with neighboring countries.
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