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Ultra-high-voltage electricity transmission in China

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urban dwellings. The use of large central power plants providing electric heating are also less polluting than individual boilers used for winter heating in many northern households. The UHV grid will aid China's plan of electrification and decarbonization, and enable integration of renewable energy by removing the transmission bottleneck that is currently limiting expansions in wind and solar generation capacity whilst further developing the market for long-range electric vehicles in China.
2320: 2356: 2344: 2332: 1446: 131:). Experimental lines of various scales are also found in many countries. However, most of these lines are currently operating at lower voltage due to insufficient power demand or other reasons. There are fewer examples of UHVDC. Although there are plenty of ±500 kV (or below) circuits around the world, the only operative circuits above this threshold are the 201:
Implementation of the UHV grid enables the construction of newer, cleaner, more efficient power generation plants far from population centers. Older power plants along the coast will be retired. This will lower the total current amount of pollution, as well as the pollution felt by citizens within
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to 3,426 TWh. China's electricity consumption is expected to reach 6,800–6,900 TWh by 2018 from 4,690 TWh in 2011, with installed capacity reaching 1,463 GW from 1,056 GW in 2011, of which 342 GW is hydropower, 928 GW coal-fired, 100 GW wind, 43 GW
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Since 2004, electricity consumption in China has been growing at an unprecedented rate due to the rapid growth of industrial sectors. Serious supply shortage during 2005 had impacted the operation of many Chinese companies. Since then, China has very aggressively invested in
2145: 35:(DC) electricity over long distances separating China's energy resources and consumers. Expansion of both AC and DC capacity continues in order to match generation to consumption demands while minimizing transmission losses. 80:(covering the period 2011 to 2015) provided for the development of an ultra-high-voltage (UHV) transmission corridor to increase the integration of renewable energy from the point of generation to its point of consumption. 39:
improvements will result from the replacement of lower efficiency generation, located near the coast, by more modern high-efficiency generation with less pollution near the energy resources.
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UHV transmission and a number of UHVAC circuits have already been constructed in different parts of the world. For example, 2,362 km of 1,150 kV circuits were built in the
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Li, Jerry (2008), Deployment of Amorphous Metal Distribution Transformer in China, China Electric Power Yearbook 2008, p. 793–795, China Electric Power Press (In Chinese)
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is in the northwest, but huge loadings are in the east and south. To reduce transmission losses to a manageable level, UHV transmission is a logical choice. As the
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Zhao J, Niu L (2007a), Research and Application of UHVAC Transmission Technologies in Japan Part I, Proceedings of CSU-EPSA, Vol. 19, No. 1, p. 28–33 (In Chinese)
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Zhao J, Niu L (2007b), Research and Application of UHVAC Transmission Technologies in Japan Part II, Proceedings of CSU-EPSA, Vol. 19, No. 4, P. 1–6 (In Chinese)
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Li, Jerry (2009), From Strong to Smart: the Chinese Smart Grid and its relation with the Globe, AEPN, Article No. 0018602, Asia Energy Platform. Available at
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at end of 2004 to 793 GW at the end of 2008. The increment in these four years is equivalent to approximately one-third of the total capacity of the
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to Hoover Dam. For this purpose a short experimental powerline near Celilo Converter Station was built, but the line to Hoover Dam was never built.
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Li, Jerry (2009), From Strong to Smart: the Chinese Smart Grid and its relation with the Globe, AEPN, Article No. 0018602. Available at
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Du Z (2008), Study on Strategic Planning of Ultra High Voltage Grid Development in China, Ph.D Thesis, Shandong University (In Chinese)
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China's focus on UHV transmission is based on the fact that energy resources are far away from the load centers. The majority of the
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started in 1978 but it was never finished. In USA at the beginning of the 1970s a 1333 kV powerline was planned from
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nuclear, and 40 GW natural gas. China is the country with the largest consumption of electricity as of 2011.
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and ultra high voltage transmission networks to connect over 80 countries. The idea is supported by President
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Cooperating for the Climate: Learning from International Partnerships in China's Clean Energy Sector
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The Belt and Road City: Geopolitics, Urbanization, and China's Search for a New International Order
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and China in attempting to develop support in various internal forums, including UN bodies.
68:. During the same period of time, annual energy consumption has also risen from 2,197  1879: 728: 679: 534: 53: 36: 2004: 143:. In Russia, construction work on a 2400 km long bipolar ±750 kV DC line, the 1929: 592: 477: 324: 295: 237: 32: 1854: 1585: 198:
600 billion (approximately US$ 88 billion) into UHV development between now and 2020.
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announced at the 2009 International Conference on UHV Power Transmission in
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side, the country has focused on expanding capacity and reducing losses by:
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at 735 kV AC (since 1965, 11 422 km long in 2018) and
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in order to fulfil the demand from industries and hence secure
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Weifang-Linyi-Zaozhuang-Heze-Shijiazhuang (潍坊-临沂-枣庄-菏泽-石家庄)
1481: 1507:"Homepage - U.S. Energy Information Administration (EIA)" 162:, a long-term proposal to develop globally integrated 56:. Installed generation capacity has run from 443  1207:
The under-construction/In preparation UHV lines are:
1634: 1632: 2286: 2233: 2159: 2128: 2077: 1905:"China's cross-regional power transmission project" 2296:China Nuclear International Uranium Corporation 1712:http://www.sgcc.com.cn/ztzl/tgyzl/default.shtml 210:As of 2023, the operational UHV circuits are: 133:Hydro-Québec's electricity transmission system 2055: 1710:UHV Corner, State Grid of China Corporation, 8: 1803:"Welcome to State Grid Corporation of China" 1476: 1474: 206:UHV circuits completed or under construction 17:Ultra-high-voltage electricity transmission 2062: 2048: 2040: 1209: 212: 1774: 1772: 2151:State Electricity Regulatory Commission 1470: 2383:Electric power infrastructure in China 2141:National Nuclear Safety Administration 2005:"新能源电量占一半以上!世界首条特高压柔性直流工程开工-北极星太阳能光伏网" 106:ultra-high-voltage alternating current 1547: 1545: 951:Wudongde-Guangxi-Guangdong (昆柳龙直流工程) 174:Reasons for UHV transmission in China 64:, or 1.4 times the total capacity of 7: 2090:China Beijing Environmental Exchange 1604: 1602: 1101:Nanyang-Jingmen-Changsha (南阳-荆门-长沙) 2301:China National Nuclear Corporation 2253:HVDC Three Gorges – Guangdong 2248:HVDC Three Gorges – Changzhou 1880:"金上—湖北特高压工程、通山抽水蓄能电站开建_滚动新闻_中国政府网" 1639:Curtis, Simon; Klaus, Ian (2024). 14: 2306:Electric power companies of China 1805:. 27 January 2020. Archived from 102:ultra-high-voltage direct current 2354: 2342: 2330: 2319: 2318: 1556:. Cambridge, Massachusetts: The 1444: 1430: 2273:Ultra-high-voltage transmission 1121:Wuhan-Jingmen-Changsha (武汉-荆门) 845:Shijiazhuang–Xiong'an (石家庄-雄安) 188:State Grid Corporation of China 182:resources are in the west, and 156:State Grid Corporation of China 1855:"我国西南地区首个特高压交流工程正式开工-北极星火力发电网" 1: 2136:China Atomic Energy Authority 1980:"阿坝—成都东1000千伏特高压交流工程正式开工-新华网" 1460:Southern Hami–Zhengzhou UHVDC 160:Global Energy Interconnection 84:Transmission and distribution 1930:"哈密—重庆±800千伏特高压直流输电工程开工-新华网" 1686:"Asia Energy Platform (AEP)" 779:Shanghaimiao–Linyi (上海庙-临沂) 113:amorphous metal transformers 27:since 2009 to transmit both 21:UHV electricity transmission 2388:Electric power transmission 1142:Baihetan-Zhejiang (白鹤滩-浙江) 994:Zhumadian-Nanyang (驻马店-南阳) 111:installing high-efficiency 2404: 2146:SASAC of the State Council 1909:transformers-magazine.com/ 1828:人民资讯 (22 September 2022). 1586:the author's personal page 1254:Sichuan-Chongqing (四川-重庆) 1079:Baihetan-Jiangsu (白鹤滩-江苏) 1058:Nanchang-Changsha (南昌-长沙) 973:Zhangbei-Xiong'an (张北-雄安) 887:Zhangbei-Xiong'an (张北-雄安) 757:Zhalute–Qingzhou (扎鲁特—青州) 119:UHV transmission worldwide 2314: 1955:"陕北—安徽特高压工程、岳西抽蓄电站开工-新华网" 1552:Lewis, Joanna I. (2023). 1379:Aba-Chengdu East(阿坝-成都东) 1298:Xaoping-Shandong (陇东-山东) 1164:Wuhan-Zhumadian (武汉-驻马店) 801:Dianxi-Guangdong (滇西-广东) 1729:South China Morning Post 1643:. New Haven and London: 1015:Yazhong-Jiangxi (雅中-江西) 908:Mengxi-Jinzhong (蒙西-晋中) 823:Zhundong–Wannan (准东-皖南) 149:Celilo Converter Station 139:±600 kV project in 100:deploying long-distance 2361:Renewable energy portal 1830:"武汉-南昌特高压输电线路(江西段)正式开工" 1400:Gansu-Zhejiang (甘肃-浙江) 1357:Shaanbei-Anhui (陕北-安徽) 1338:Hami-Chongqing (哈密-重庆) 1276:Jinshang-Hubei (金上-湖北) 1233:Wuhan-Nanchang (武汉-南昌) 2243:HVDC Gezhouba–Shanghai 2234:Electricity generation 2115:List of power stations 1789:"蒙西 天津南特高压交流输变电工程正式投运" 1318:Ningxia-Hunan (宁夏-湖南) 1185:Fuzhou-Xiamen (福州-厦门) 1037:Shanbei-Hubei (陕北-湖北) 929:Qinghai-Henan (青海-河南) 2278:Yunnan–Guangdong HVDC 2085:Carbon trading scheme 1645:Yale University Press 145:HVDC Ekibastuz–Centre 1984:www.sc.xinhuanet.com 194:, China will invest 129:Kita-Iwaki powerline 108:(UHVAC) transmission 1653:10.2307/jj.11589102 1538:on 19 October 2013. 29:alternating current 23:) has been used in 2287:State-owned energy 2210:Petroleum industry 2100:Electricity sector 2009:guangfu.bjx.com.cn 1809:on 27 January 2020 1225:Power rating (GW) 682:- Shengli (锡盟-胜利) 228:Power rating (GW) 50:electricity supply 2370: 2369: 1959:www.xinhuanet.com 1567:978-0-262-54482-5 1421: 1420: 1205: 1204: 2395: 2358: 2346: 2334: 2322: 2321: 2268:Three Gorges Dam 2236:and transmission 2189: 2182:Hydroelectricity 2120:Renewable energy 2064: 2057: 2050: 2041: 2020: 2019: 2017: 2015: 2001: 1995: 1994: 1992: 1990: 1976: 1970: 1969: 1967: 1965: 1951: 1945: 1944: 1942: 1940: 1926: 1920: 1919: 1917: 1915: 1901: 1895: 1894: 1892: 1890: 1876: 1870: 1869: 1867: 1865: 1851: 1845: 1844: 1842: 1840: 1825: 1819: 1818: 1816: 1814: 1799: 1793: 1792: 1785: 1779: 1776: 1767: 1766: 1764: 1762: 1747: 1741: 1740: 1738: 1736: 1721: 1715: 1708: 1702: 1701: 1699: 1697: 1688:. 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1718: 1709: 1705: 1695: 1693: 1692:on 24 July 2011 1684: 1682: 1678: 1663: 1638: 1637: 1630: 1625: 1621: 1616: 1612: 1607: 1600: 1595: 1591: 1579: 1575: 1568: 1551: 1550: 1543: 1530: 1529: 1525: 1515: 1513: 1505: 1504: 1500: 1490: 1488: 1480: 1479: 1472: 1468: 1450: 1443: 1436: 1431: 1429: 1426: 1415: 1393: 1372: 1291: 1269: 1247: 1213:Name (Chinese) 1199: 1178: 1157: 1135: 1114: 1094: 1072: 1051: 1030: 1008: 987: 966: 944: 922: 901: 880: 859: 838: 816: 794: 772: 750: 729:Xilingol League 721: 696: 680:Xilingol League 672: 643: 614: 585: 556: 535:Xilingol League 527: 495: 466: 437: 408: 379: 346: 317: 288: 259: 231:Year Completed 216:Name (Chinese) 208: 176: 121: 86: 54:economic growth 45: 37:Decarbonization 12: 11: 5: 2401: 2399: 2391: 2390: 2385: 2375: 2374: 2368: 2367: 2365: 2364: 2352: 2340: 2328: 2315: 2312: 2311: 2309: 2308: 2303: 2298: 2292: 2290: 2284: 2283: 2281: 2280: 2275: 2270: 2265: 2260: 2255: 2250: 2245: 2239: 2237: 2231: 2230: 2228: 2227: 2222: 2217: 2212: 2207: 2202: 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610: 607: 604: 601: 598: 594: 591: 590: 584: 581: 578: 575: 572: 569: 565: 562: 561: 555: 552: 549: 546: 543: 540: 536: 533: 532: 528:November 2016 526: 524: 521: 518: 515: 512: 508: 504: 501: 500: 496:December 2014 494: 491: 488: 485: 482: 479: 475: 472: 471: 465: 462: 459: 456: 453: 450: 446: 443: 442: 436: 433: 430: 427: 424: 421: 417: 414: 413: 407: 404: 401: 398: 395: 392: 388: 385: 384: 378: 375: 372: 369: 366: 363: 359: 355: 352: 351: 347:December 2012 345: 342: 339: 336: 333: 330: 326: 323: 322: 316: 313: 310: 307: 304: 301: 297: 294: 293: 287: 284: 281: 278: 275: 272: 268: 265: 264: 258: 255: 252: 249: 246: 243: 239: 235: 234: 230: 227: 224: 222:Voltage (kV) 221: 218: 215: 214: 211: 205: 203: 199: 197: 193: 189: 185: 181: 173: 171: 169: 165: 161: 158:proposed the 157: 152: 150: 146: 142: 138: 134: 130: 126: 118: 114: 110: 107: 103: 99: 98: 97: 95: 91: 83: 81: 79: 74: 71: 67: 63: 62:United States 59: 55: 51: 42: 40: 38: 34: 30: 26: 22: 18: 2359: 2347: 2337:China portal 2335: 2323: 2272: 2012:. Retrieved 2008: 1999: 1987:. Retrieved 1983: 1974: 1962:. Retrieved 1958: 1949: 1937:. Retrieved 1933: 1924: 1912:. Retrieved 1908: 1899: 1887:. Retrieved 1883: 1874: 1862:. Retrieved 1858: 1849: 1839:23 September 1837:. Retrieved 1833: 1823: 1811:. Retrieved 1807:the original 1797: 1783: 1778:Reference 11 1759:. Retrieved 1754: 1745: 1733:. Retrieved 1728: 1719: 1714:(In Chinese) 1706: 1696:29 September 1694:. Retrieved 1690:the original 1679: 1640: 1622: 1613: 1592: 1582:Researchgate 1576: 1553: 1536:the original 1526: 1514:. Retrieved 1510: 1501: 1489:. Retrieved 1485: 1438:China portal 1352:August 2023 1222:Length (km) 1206: 1115:October 2022 923:October 2020 881:January 2020 751:October 2017 438:January 2014 260:January 2009 244:(晋东南-南阳-荆门) 225:Length (km) 209: 200: 177: 153: 122: 104:(UHVDC) and 94:distribution 90:transmission 87: 75: 46: 20: 16: 15: 2195:Natural gas 1934:www.news.cn 1889:16 February 1671:jj.11589102 1511:www.eia.gov 1313:March 2023 1052:August 2021 902:August 2020 722:August 2017 697:August 2017 513:(淮南-南京-上海) 364:(淮南-浙北-上海) 327:– Southern 236:Jindongnan– 164:smart grids 125:former USSR 2377:Categories 2177:Geothermal 1884:www.gov.cn 1466:References 1373:March 2024 1333:June 2023 296:Xiangjiaba 180:hydropower 168:Xi Jinping 43:Background 2289:companies 2215:Shale gas 2205:Oil shale 2167:Bioenergy 1864:1 October 1834:k.sina.cn 1558:MIT Press 1416:July 2024 1394:July 2024 1095:July 2022 1031:June 2021 860:June 2019 673:July 2017 644:June 2017 599:(蒙西-天津南) 557:July 2016 467:July 2014 420:Zhengzhou 393:(糯扎渡-广东) 391:Guangdong 318:July 2010 302:(向家坝-上海) 289:June 2010 271:Guangdong 154:In 2015, 31:(AC) and 2325:Category 2129:Agencies 2032:Grid map 1964:16 March 1939:15 March 1424:See also 1388:2x371.7 1242:2x456.6 982:2×319.9 896:2×319.9 875:2×823.6 854:2×222.6 735:(锡盟-江苏) 707:(榆横-潍坊) 691:2x236.8 657:(晋北-江苏) 628:(酒泉-湖南) 570:(灵州-绍兴) 568:Shaoxing 564:Lingzhou 541:(锡盟-山东) 539:Shandong 511:Shanghai 480:(浙北-福州) 476:North - 474:Zhejiang 449:Zhejiang 422:(哈密-郑州) 409:May 2015 362:Shanghai 358:Zhejiang 331:(锦屏-苏南) 300:Shanghai 273:(云南-广东) 2200:Nuclear 2184: ( 2160:Sources 2014:29 July 1989:29 July 1755:Reuters 1482:"国家统计局" 733:Jiangsu 716:2×1050 705:Weifang 703:Yuheng– 655:Jiangsu 622:Jiuquan 597:Tianjin 595:West - 507:Nanjing 503:Huainan 445:Xiluodu 387:Nuozadu 354:Huainan 329:Jiangsu 325:Jinping 242:Jingmen 238:Nanyang 192:Beijing 88:On the 2078:Topics 1914:2 June 1813:10 May 1761:10 May 1735:10 May 1669:  1659:  1564:  1516:10 May 1491:10 May 1263:2x658 1194:2x238 1173:2x287 1130:2x233 1067:2×341 1003:186.6 917:2x304 829:±1100 653:North– 651:Shanxi 608:2×608 550:2×730 522:2×780 489:2×603 478:Fuzhou 373:2×649 360:North– 267:Yunnan 141:Brazil 137:Itaipu 2220:Solar 1667:JSTOR 1409:2370 1406:±800 1403:HVDC 1385:1000 1366:1069 1363:±800 1360:HVDC 1347:2290 1344:±800 1341:HVDC 1327:1634 1324:±800 1321:HVDC 1304:±800 1301:HVDC 1285:1901 1282:±800 1279:HVDC 1260:1000 1239:1000 1216:Type 1191:1000 1170:1000 1151:2193 1148:±800 1145:HVDC 1127:1000 1107:1000 1088:2087 1085:±800 1082:HVDC 1064:1000 1046:1127 1043:±800 1040:HVDC 1024:1711 1021:±800 1018:HVDC 1000:1000 979:1000 960:1489 957:±800 954:HVDC 938:1587 935:±800 932:HVDC 914:1000 893:1000 872:1000 851:1000 832:3293 826:HVDC 810:1959 807:±800 804:HVDC 788:1238 785:±800 782:HVDC 766:1234 763:±800 760:HVDC 744:1620 741:±800 738:HVDC 713:1000 688:1000 666:1119 663:±800 660:HVDC 637:2383 634:±800 631:HVDC 626:Hunan 605:1000 579:1720 576:±800 573:HVDC 547:1000 519:1000 486:1000 460:1680 457:±800 454:HVDC 431:2210 428:±800 425:HVDC 402:1413 399:±800 396:HVDC 370:1000 340:2059 337:±800 334:HVDC 311:1907 308:±800 305:HVDC 282:1438 279:±800 276:HVDC 250:1000 219:Type 66:Japan 25:China 2225:Wind 2172:Coal 2016:2024 1991:2024 1966:2024 1941:2024 1916:2024 1891:2023 1866:2022 1841:2022 1815:2023 1763:2023 1737:2023 1698:2009 1657:ISBN 1562:ISBN 1518:2023 1493:2023 1307:926 1091:8.0 492:6.8 416:Hami 376:8.0 343:7.2 314:6.4 256:5.0 253:654 184:coal 92:and 1649:doi 1584:or 1382:AC 1266:24 1257:AC 1236:AC 1188:AC 1167:AC 1124:AC 1104:AC 1061:AC 997:AC 976:AC 911:AC 890:AC 869:AC 848:AC 835:12 791:10 769:10 747:10 710:AC 685:AC 602:AC 544:AC 516:AC 483:AC 367:AC 247:AC 196:RMB 70:TWh 2379:: 2007:. 1982:. 1957:. 1932:. 1907:. 1882:. 1857:. 1832:. 1771:^ 1753:. 1727:. 1665:. 1655:. 1647:. 1631:^ 1601:^ 1560:. 1544:^ 1509:. 1484:. 1473:^ 1412:8 1369:8 1330:8 1310:8 1288:8 1154:8 1027:8 963:8 941:8 813:5 669:8 640:8 611:5 582:8 566:- 553:9 537:- 463:8 447:- 434:8 418:– 405:5 389:- 285:5 269:- 58:GW 2191:) 2063:e 2056:t 2049:v 2018:. 1993:. 1968:. 1943:. 1918:. 1893:. 1868:. 1843:. 1817:. 1791:. 1765:. 1739:. 1700:. 1673:. 1651:: 1570:. 1520:. 1495:. 731:– 624:– 509:– 505:– 356:– 298:– 240:– 19:(

Index

China
alternating current
direct current
Decarbonization
electricity supply
economic growth
GW
United States
Japan
TWh
Five-Year Plan
transmission
distribution
ultra-high-voltage direct current
ultra-high-voltage alternating current
amorphous metal transformers
former USSR
Kita-Iwaki powerline
Hydro-Québec's electricity transmission system
Itaipu
Brazil
HVDC Ekibastuz–Centre
Celilo Converter Station
State Grid Corporation of China
Global Energy Interconnection
smart grids
Xi Jinping
hydropower
coal
State Grid Corporation of China

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