Key Technologies and Prospects for the Construction of Global Energy Internet Under the Background of Carbon Neutral

doi:10.12096/j.2096-4528.pgt.20113

Abstract

Abstract:

China has set a goal of reaching a carbon peak by 2030 and becoming carbon neutral by 2060. Based on the 2050 global energy interconnection (GEI) scenario and backbone grid plan, such issues in the construction of the GEI as high proportion of clean energy, connecting pattern and grid structure, operation control measures, etc. were studied. The proportions of clean energy, implementation path and responding measures to challenges were analysed, the concept of multi-node and multi-loop generalized backbone grid were proposed. The hierarchical and zoning structure was discussed, and intelligent dispatching, stability control, information communication and big data and other operational control measures were proposed. Key technologies such as large-capacity long-distance power transmission, cross-sea power transmission, clean energy power generation, and energy storage were analysed and predicted.

Key words: global energy interconnection (GEI), grid planing, backbone grid, grid structure, urtra-high voltage, clean energy, energy storage, carbon neutral

CLC Number:

TK01
TM727

Hong SHEN, Qinyong ZHOU, Yao LIU, Wei SUN, Qing HE, Dawei REN, Yantao ZHANG. Key Technologies and Prospects for the Construction of Global Energy Internet Under the Background of Carbon Neutral[J]. Power Generation Technology, 2021, 42(1): 8-19.

Figures/Tables 9

References 40

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序号	送端地区	受端地区	容量/GW
1	北海、北极、北欧	欧洲大陆	71
2	北非	欧洲	59
3	中非、东非	南非、北非	70
4	中亚	欧洲	20
5	中亚	中国、俄罗斯	69
6	西亚	南亚、欧洲	75
7	西亚	非洲	19
8	俄罗斯	东南亚	24
9	俄罗斯	中国	46
10	中国	东北亚	24
11	中国	东南亚	27
12	美国中部	美国东西部	110
13	北美洲	南美洲	10
14	秘鲁、玻利维亚、阿根廷、智利	巴西	50

序号	送端地区	受端地区	容量/GW
1	北海、北极、北欧	欧洲大陆	71
2	北非	欧洲	59
3	中非、东非	南非、北非	70
4	中亚	欧洲	20
5	中亚	中国、俄罗斯	69
6	西亚	南亚、欧洲	75
7	西亚	非洲	19
8	俄罗斯	东南亚	24
9	俄罗斯	中国	46
10	中国	东北亚	24
11	中国	东南亚	27
12	美国中部	美国东西部	110
13	北美洲	南美洲	10
14	秘鲁、玻利维亚、阿根廷、智利	巴西	50

序号	通道	重点工程
1	亚欧互联通道	中国-韩国-日本、中国-缅甸-孟加拉、俄罗斯-中国等直流工程
		哈萨克斯坦-中国、沙特-印度、哈萨克斯坦-德国、沙特-土耳其等±800 kV、±1 100 kV直流工程
		北欧-欧洲大陆、挪威-英国-法国等±800 kV柔性直流工程
2	亚欧非通道	摩洛哥-西班牙、法国，突尼斯-意大利，埃及-塞浦路斯-希腊，刚果金-尼日利亚、加纳，埃塞俄比亚-埃及、莫桑比克等多回±800 kV直流工程
		沙特-埃及、沙特-埃塞俄比亚±800 kV直流工程
		摩洛哥-阿尔及利亚-利比亚-埃及1 000 kV交流工程
3	美洲互联通道	北美-中美-南美±1 100 kV特高压直流工程
		犹他州-堪萨斯州-芝加哥、圣路易斯等多回±800 kV直流工程
		围绕北美东部、西部负荷中心建设1 000 kV交流同步电网
		智利、阿根廷-巴西，秘鲁、玻利维亚-巴西等多回±800 kV直流工程
4	北极能源通道	格陵兰岛-冰岛-英国、鄂霍茨克海-中国、萨哈林岛-日本等特高压直流工程

序号	通道	重点工程
1	亚欧互联通道	中国-韩国-日本、中国-缅甸-孟加拉、俄罗斯-中国等直流工程
		哈萨克斯坦-中国、沙特-印度、哈萨克斯坦-德国、沙特-土耳其等±800 kV、±1 100 kV直流工程
		北欧-欧洲大陆、挪威-英国-法国等±800 kV柔性直流工程
2	亚欧非通道	摩洛哥-西班牙、法国，突尼斯-意大利，埃及-塞浦路斯-希腊，刚果金-尼日利亚、加纳，埃塞俄比亚-埃及、莫桑比克等多回±800 kV直流工程
		沙特-埃及、沙特-埃塞俄比亚±800 kV直流工程
		摩洛哥-阿尔及利亚-利比亚-埃及1 000 kV交流工程
3	美洲互联通道	北美-中美-南美±1 100 kV特高压直流工程
		犹他州-堪萨斯州-芝加哥、圣路易斯等多回±800 kV直流工程
		围绕北美东部、西部负荷中心建设1 000 kV交流同步电网
		智利、阿根廷-巴西，秘鲁、玻利维亚-巴西等多回±800 kV直流工程
4	北极能源通道	格陵兰岛-冰岛-英国、鄂霍茨克海-中国、萨哈林岛-日本等特高压直流工程

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