Transition of Japan's HVDC TechnologiesTHE 6TH INTERNATIONAL CONFERENCEON HVDC 2024 IN CHINA2024/08/08一公众号电力建设I.Overall Transition of HVDC Project1880Y189019001910192019301940195019601970198019902000201020202030YWar of theCurrents60YearsChina Large Capacity(1979)GU HVDC!European VSCHVDC Project:(LCC:Line Commutated Converter)(Coal by Wire)(VSC:Voltage Sourced Converter)(1984)Itaipu HVDC45 Yeas from LCC to VSCVSC HVDC Projects Imp.◆(1999)The First VSCHVDC(2020)ZhangBei、MTHVDC(1965)Sakuma BTBeFrequency Converter Sta.JPeThree Gorges(1970)Sakuma HVDC7,200MWSystem Verification Plant,JPeII.The first HVDC Project in the World1.Gotland HVDC LinkGotland HVDC interconnecting betweenSweden Mainland and Gotland was putit commercial in1954.Gotland HVDC Project:Country:SwedenCommissioning:1954Rated Voltage:100kVRated Capacity:20MWCable Length:96kmConverter:Mercury Are ValveManufacturer:ASEA(Former Name:ABB)公众号电力建设III.The first HVDC Project in JapanSakuma Frequency Converter Station (FC:BTB HVDC)1.Summary of Sakuma FC>Main Purposes:Interconnection between 50Hz(Eastern Area)&60Hz (Wester Area)AC Power Network>Installed Capacity 300MWCommissioning Year:1965(The fifth earliest projectin the world)>Type of Converters:Mercury Are Valve2.Imported Equipment:>AC/DC Converter Circuit Equipment>HVDC Control Protection>Smoothing Reactors,AC Filter Reactors and Resistors3.Domestically Produced Equipment>Converter TransformersAC Filter Capacitors>AC Circuit ProtectionsView of Mercury Valves installed in Sakuma FC>Cooling and Air Conditioning Equipment(Provided by JPower TN)IV.Domestic Production ProjectJapanese HVDC System Verification Plant (Sakuma HVDC Testing C/S)1.Ratings of the Verification Plant>Ratings:37.5MW,125kV,300AThe largest Thyristor Valves at that time2.Verification Test Period>4 Years from September 19703.Main Testing Items>Basic Operation Performances>Various HVDC Control Protection TestHeat RunAir Cooled Thyristor>Long Term Operational PerformanceValve (Provided byVerification Test and so on.(Hitachi Review Vol 53 No.4 1971)JPower TN)电力建设