The first group of low-temperature large-capacity wind turbines in China officially connected to the grid

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Time of issue:2019-01-21 15:17
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The first group of low-temperature large-capacity wind turbines in China officially connected to the grid

(Summary description)China'sfirstgroupoflow-temperaturelarge-capacitywindturbinesconnectedtothegridforpowergeneration Recently,China'sfirstgroupoflow-temperature6.45MWlarge-capacitywindturbinesbuiltbyCCCCwasconnectedtothegridinDalianZhuanghe,LiaoningProvince,markingthefirstlarge-scalecommercialoperationofoffshorewindpowerprojectsinnorthernChina. ThefirstbatchofwindturbinefoundationsandinstallationworksoftheThreeGorgesNewEnergyDalianZhuangheOffshoreWindPowerProject,whichwasbuiltbytheThirdNavigationBureau,wasstartedinOctober2017.Thewindfarmhasaplanneddevelopmentcapacityof300megawatts.Theconstructionscopeofthethreeaviationbureausis200megawatts,includingtwo3MW,463.3MWandseven6.45MWwindturbines.ThisisthefirstlowtemperaturetypeandlargeDirectdiameterdriveunit. Thecenterofthewindfarmis22nauticalmilesfromthecoastlineandthewaterdepthisabout25meters.Thegeologicalconditionsonthesitearecomplex,andtheseamonsoonandsuddenwindsfrequentlyoccur.Duringtheconstructionperiod,theprojectteamofthethreeaviationbureausinnovatedtheprocess,usingthe“furnacepre-assemblyofthewindturbinebottomtowerandthesplitinstallationoftheoffshorewindturbine”tominimizetheriskoftransportationandhoistingoftheunitandcompletetheinstallationtask. Aftertheprojectisputintoproduction,itisofgreatsignificancetosupporttheconstructionofsmartenergycities,alleviatetheenvironmentalandenergypressuresintheNortheast,andpromotethetransformationofenergyusepatterns.

Categories:Industry News
Author:
Origin:
Time of issue:2019-01-21 15:17
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China's first group of low-temperature large-capacity wind turbines connected to the grid for power generation

Recently, China's first group of low-temperature 6.45 MW large-capacity wind turbines built by CCCC was connected to the grid in Dalian Zhuanghe, Liaoning Province, marking the first large-scale commercial operation of offshore wind power projects in northern China.

The first batch of wind turbine foundations and installation works of the Three Gorges New Energy Dalian Zhuanghe Offshore Wind Power Project, which was built by the Third Navigation Bureau, was started in October 2017. The wind farm has a planned development capacity of 300 megawatts. The construction scope of the three aviation bureaus is 200 megawatts, including two 3 MW, 46 3.3 MW and seven 6.45 MW wind turbines. This is the first low temperature type and large Direct diameter drive unit.

The center of the wind farm is 22 nautical miles from the coastline and the water depth is about 25 meters. The geological conditions on the site are complex, and the sea monsoon and sudden winds frequently occur. During the construction period, the project team of the three aviation bureaus innovated the process, using the “furnace pre-assembly of the wind turbine bottom tower and the split installation of the offshore wind turbine” to minimize the risk of transportation and hoisting of the unit and complete the installation task.

After the project is put into production, it is of great significance to support the construction of smart energy cities, alleviate the environmental and energy pressures in the Northeast, and promote the transformation of energy use patterns.

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