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专利名称：HVDC TRANSMISSION SCHEMES发明人：MUKHEDKAR, Radnya Anant,SONNATHI,
Chandra Mohan,BRIONNE,
Jordann,FONTEYNE, Damien Pierre Gilbert
申请号：EP18169983.6申请日：20180427公开号：EP3561985A1公开日：20191030
专利附图：
摘要：The present invention provides a high voltage direct current (HVDC)transmission system (300, 600) comprising: a first station (102) comprising series-
connected first and second HVDC converters (110, 130); a second station (104)comprising series-connected third and fourth HVDC converters (150, 170), wherein aneutral node (1) coupling the third HVDC converter (150) to the fourth HVDCconverter (170) is coupled to earth; a first transmission line (200) connecting a positivenode (114) of the first HVDC converter (110) to a corresponding positive node (154) ofthe third HVDC converter (150), wherein a first pole (240) of the system (300, 600)comprises the first HVDC converter (110), the third HVDC converter (150) and the firsttransmission line (200); a second transmission line (210) connecting a negative node (138)of the second HVDC converter (130) to a corresponding negative node (178) of thefourth HVDC converter (170), wherein a second pole (250) of the system (300, 600)comprises the second HVDC converter (130), the fourth HVDC converter (170) and thesecond transmission line (210); characterised in that: a neutral node (124) connecting thefirst HVDC converter (110) to the second HVDC converter (130) is coupled to a parallelcombination of a resistance (310) and a neutral bus ground switch (312) for coupling theneutral node (124) to earth.
申请人：General Electric Technology GmbH
地址：Brown Boveri Strasse 7 5400 Baden CH
国籍：CH
代理机构：Brevalex
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