Power Loss Analysis and Energy Saving Measures of 500 kV Submarine Cables

Lei LIU; Bin LI; Bing LUO; Tianwei LI; Min LI

doi:10.13648/j.cnki.issn1674-0629.2015.09.010

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South Power Sys Technol ›› 2015, Vol. 9 ›› Issue (9) : 71-75. DOI: 10.13648/j.cnki.issn1674-0629.2015.09.010

High Voltage & Insulation

Power Loss Analysis and Energy Saving Measures of 500 kV Submarine Cables

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Abstract

Due to the special laying environment, the loss of submarine cables is one of the focuses in the design and model selection stage, especially the loss in the landing parts of the cables which generates heat and becomes a bottleneck to constrain the transfer current. Basod on analysis of structure and loss influence factors, the calculation model is set up. For Hainan interconnection project II, the loss and economic operation cost of four different armoring 500 kV cables at three laying environment (the bottom of the sea, tidal flats, landing parts) are calculated, and the flat copper wire armoured cable is proposed as the first choice for submarine project. Finally, the effective energy saving measures for the landing parts are analyzed.

Key words

500 kV submarine cables / loss / armoured type / energy saving

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Lei LIU , Bin LI , Bing LUO , et al . Power Loss Analysis and Energy Saving Measures of 500 kV Submarine Cables[J]. Southern Power System Technology. 2015, 9(9): 71-75 https://doi.org/10.13648/j.cnki.issn1674-0629.2015.09.010

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