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One, current situation of domestic and international technology and development trend
High-pressured dc (HVDC) technology, after 50 time are arisen, already experienced 40 old development, make a mature with each passing day technology. To 1995, on the world already the HVDC project that N joins movement successfully already amounted to 62, predict to come 2002, the world still will have investment of project of about 20 HVDC to move.
80 time, develop as technology of silicon controlled rectifier and technology of world electrified wire netting, HVDC technology gets rank the development that jumps a gender. One of, as a result of the requirement of couplet net, project of back back of a chair has 14, occupy the half; that builds a project about secondly, built the longest dc line on eye preexistence bound. The Zaire of 1700KM flower add — Sha Ba project and voltage grade are highest (person 600KV) , carry a capacity the biggest (the project of Brazilian Yi Taipu of 3150MW) .
90 time, project of the first complex 3 upright HVDC (project of Quebec — new england) finish, built the longest sea cable on the world (250km)HVDC project (the BALTIC project) of Swedish — Germany.
The HVDC technology of Asian area begins arisen. Shu Xiya of Philippine, South Korea, horse, peaceful is surrounded, the construction that India, Japan and China begin HVDC project in succession and research, the project in already was built and planning has 15 about.
As the development of technology of electrified wire netting and technology of electric power electron, HVDC technology will continue to deepen its to be able to accuse the characteristic with strong sex, a few adverse elements that overcome its to be brought to electrified wire netting at the same time (like harmonic) reach drop the weak point with higher cost drifting a station, strengthen its to be in action of developing of electrified wire netting.
2, the overall objective that the technology develops and key task origin: HTtp://tede.cn
Go up according to arrowroot and project of day wide HVDC and 3 gorge project, on the west report east the need that sends project and project of countrywide couplet net, develop the HVDC technology that I am; Key development is remote high-pressured dc transmit electricity and technology of HVDC of back back of a chair, draw lessons from domestic and international experience, ensure the successful construction of project of 3 gorge HVDC is mixed move; Executive HVDC advocate equipment is homebred chemical Cheng.
3, content of main technology development and index
(One) make conform with international HVDC technology standard and HVDC engineering design are normative.
(2) the project runs a skill
1. Dc system control protects strategy to study;
2. Dc and communication system coordinate the research; that cooperate with what device control character protects
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