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Advantages of High Voltage Cables

2023-09-26
Latest company news about Advantages of High Voltage Cables
  • Increase transmission capacity. Las lines of transmission of 1000kV UHV have a natural power of almost 5 million kilowatts, about five times that of 500kV transmission lines. The transmission capacity of ±800kV DC UHV can reach 6,4 million kilowatts, 2,1 times that of ±500kV UHV DC and 1,7 times that of ±620kV UHV DC.
  • Improve stability limit. The electrical distance of the 1000kV line is equal to between 1/4 Y 1/5 of the 500kV line of the same length. In other words, under the condition of transmitting the same power, the long-distance transmission distance of 1000kV UHV line is about 4 times that of the 500kV line. Utilizing ±800kV direct current transmission technology enables long-distance power transmission, and the economical transmission distance can reach 2500 km and more.
  • Reduce line consumption. The resistance consumption of a 1000kV AC line is one fourth of that of a 500kV AC line when the total cable section and transmission capacity are equal.. The DC line resistance consumption of ±800kV is the 39% of the ±500kV DC line and the 60% ±620kV DC line.
  • Reduce investment in engineering. The 1000kV AC transmission solution has a combined cost per unit of transmission capacity that is approximately three quarters that of the 500kV transmission solution.. The cost per unit of transmission capacity of the ±800kV direct current transmission scheme is also approximately three quarters of that of the ±500kV direct current transmission scheme..
Fangyu(shanghai)Automation Technology Co.,Ltd
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