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    • 4. 发明授权
    • Medium voltage switchgear
    • 中压开关柜
    • US09484720B2
    • 2016-11-01
    • US14122106
    • 2012-05-22
    • Fabio Capelli
    • Fabio Capelli
    • H01H9/00H01H11/00H02B13/025H02B11/127
    • H02B13/025H02B11/127
    • A medium voltage switchgear (1) which is characterized in that it comprises a casing (2) defining an internal volume for housing at least a circuit breaker assembly (4) movable between at least two operative positions, said casing comprising a front panel (21) provided with an opening (5) for the insertion of an operating handle (8) for actuating the movement of said circuit breaker assembly between said operative positions, a closing and retaining device (6) being positioned in correspondence of said opening (5) and movable between a closed position when said operating handle is not inserted and an open position for allowing insertion of said operating handle, said closing and retaining device (6) comprising locking means for retaining said operating handle in position when inserted in said opening.
    • 一种中压开关设备(1),其特征在于,其包括限定用于至少一个可在至少两个操作位置之间移动的断路器组件(4)的内部容积的外壳(2),所述壳体包括前面板 )设置有用于插入操作手柄(8)的开口(5),用于致动所述断路器组件在所述操作位置之间的移动,关闭和保持装置(6)对应于所述开口(5)定位, 并且当所述操作手柄未被插入时在关闭位置和允许所述操作手柄插入的打开位置之间移动,所述关闭和保持装置(6)包括锁定装置,用于当插入所述开口时将所述操作手柄保持在适当位置。
    • 5. 发明授权
    • Method of distance protection of parallel transmission line
    • 并行传输线距离保护方法
    • US09461458B2
    • 2016-10-04
    • US14238543
    • 2012-08-06
    • Przemyslaw BalcerekMurari SahaEugeniusz RosolowskiJan IzykowskiPiotr Pierz
    • Przemyslaw BalcerekMurari SahaEugeniusz RosolowskiJan IzykowskiPiotr Pierz
    • H02H3/42H02H3/36H02H7/26H02H3/16
    • H02H3/16H02H3/42H02H7/267
    • The present invention is concerned with a method of distance protection of parallel transmission lines applicable both to series compensated and uncompensated electric power lines, using a distance relay. The method is characterized in that a pair of flags (ff1, ff2) are calculated for indication faulted and healthy circuits in parallel lines and in the same time a flag (Internal_Fault) for indication internal or external fault in parallel lines is calculated independently. Next gathering all calculated flags (ff1, ff2, Internal_Fault) an analyze of the value of these flags are performed and depending on the values of flags (ff1, ff2, Internal_Fault) and on their reciprocal relationship, a trip permission signal from the protection relay (4) is released and sent to the alarms devices or to the line breakers, or a block signal from the protection relay (4) is generated and sent to protect parallel lines before damage.
    • 本发明涉及一种使用距离继电器对并联传输线路进行距离保护的方法,其可应用于串联补偿和无补偿电力线路。 该方法的特征在于,对并联线路中的指示故障和健康电路计算一对标志(ff1,ff2),并且同时计算用于指示并行线路中的内部或外部故障的标志(Internal_Fault)。 接下来收集所有计算的标志(ff1,ff2,Internal_Fault),执行这些标志值的分析,并根据标志(ff1,ff2,Internal_Fault)的值和它们的倒数关系,保护继电器的跳闸许可信号 (4)被释放并发送到报警装置或线路断路器,或者产生并发送来自保护继电器(4)的阻塞信号,并在发生损坏之前保护平行线路。
    • 8. 发明授权
    • Detachable connector
    • 可拆卸连接器
    • US09431724B2
    • 2016-08-30
    • US14699037
    • 2015-04-29
    • ABB TECHNOLOGY AG
    • Philippe FranceRomain Villard
    • H01R4/26H01R4/48H01R24/20H01R13/11
    • H01R4/4818H01R4/4827H01R13/11H01R24/20
    • The present invention relates to a detachable connector (1) for a junction block comprising: an insulating body (2), a connection terminal (10) having a housing (8) for an electrically conductive wire (C) intended to be inserted through a first opening (3) of the insulating body (2) along an insertion direction (D) of the electrically conductive wire (C) in the insulating body (2), a connection plug (20) comprising a socket (21) from which extend two elastic connection branches (22a, 22b) intended to ensure an electrical contact with a complementary plug of the junction block intended to pass through a second opening (4) of the insulating body (2), the detachable connector (1) being characterized in that it comprises a passageway (6) for the electrically conductive wire (C) connecting the first housing (8) of the connection terminal (10) and a second housing (9) formed in the socket (21) of the connection plug (20).
    • 本发明涉及一种用于接合块的可拆卸连接器(1),包括:绝缘体(2),具有用于导电线(C)的壳体(8)的连接端子(10),其用于插入通过 绝缘体(2)中的导电线(C)的插入方向(D)的绝缘体(2)的第一开口(3),包括插座(21)的连接插头(20) 两个弹性连接分支(22a,22b)旨在确保与待连接的绝缘体(2)的第二开口(4)的接合块的互补插塞电接触,该可拆卸连接器(1)的特征在于 其包括用于连接连接端子(10)的第一壳体(8)的导电线(C)和形成在连接插头(20)的插座(21)中的第二壳体(9)的通道(6) )。