High voltage direct current (HVDC) transmission system transfers DC current over long distance through overhead transmission line or submarine cables. Moreover, HVDC transmission is preferred over HVAC transmission, as it is more cost-effective considering very long distance, losses, and other factors. HVDC is often referred as Power superhighway or Electrical superhighway. Moreover, HVDC has the ability to interconnect networks utilising HVDC transmission lines. HVDC system uses line commutated converter (LCC) and voltage source converter (VSC), in which LCC is a very economical technology and is based on Thyristor power semiconductors. On the contrary, VSC is relatively new technology in the market and is based on power transistors. Furthermore, HVDC transmission typically has a power rating of several hundreds of megawatts (MW) and many are in the 1,000 – 3,000 MW range. They use overhead lines, or underground/ undersea cables, or a combination of cables and lines.
One of the most significant advantages of the High voltage direct current (HVDC) is the efficiency of power transmission over long distances. Furthermore, High-voltage direct current (HVDC) transmission systems can able to low the electric losses and allows more efficient bulk power transfer over long distances which will be another driving factor for market growth. HVDC transmission is also very stable and easily controlled. For instance, in January 2017, ABB, a Swiss-Swedish multinational corporation collaborated with the Power Grid Corporation of India Limited (POWERGRID) to build longest 800 kilovolts (kV) ultra-high-voltage direct current (UHVDC) transmission system. The new transmission line will connect Raigarh city, Chhattisgarh to Pugalur in the southern state of Tamil Nadu.
However, HVDC transmission systems require high cost of components such as Transformer, Switchgears, and protection which will hamper the growth of the market.
This report segments the APAC HVDC transmission systems market on the basis of system components, technology, development, and power rating. On the basis of system components, the APAC HVDC transmission systems market is segmented into o AC & DC harmonic filters, converters, DC lines, circuit breakers, and others. On the basis of technology, the market is segmented into LCC, VSC and others. On the basis of deployment, the market is segmented into overhead, underground, subsea, and combination. On the basis of power rating, the market is segmented into Below 1,000 MWs, 1,001 to 2,000 MWs, and 2,001 MWs and above.
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