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    • 1. 发明申请
    • MULTI-LEVEL POWER CONVERTOR AND METHOD FOR MULTI-LEVEL POWER CONVERTOR
    • WO2021092720A1
    • 2021-05-20
    • PCT/CN2019/117102
    • 2019-11-11
    • ABB SCHWEIZ AGYANG, FuSHI, Yaming
    • YANG, FuSHI, Yaming
    • H02M7/483
    • A multi-level power convertor and a method for a multi-level power convertor. The multi-level power convertor (100) comprises a DC port; an AC port; a first power converting unit (1) coupled to the DC port and comprising a first AC terminal (11) adapted to provide a first plurality of voltage levels; a second power converting unit (2) coupled to the DC port and comprising a second AC terminal (21) adapted to provide a second plurality of voltage levels of the same number as the first plurality of voltage levels, wherein the second plurality of voltage levels are phase-shifted by 90 degree with respect to the first plurality of voltage levels; a coupling inductor (3) comprising first and second windings (31, 32) with the same number of turns, wherein the first winding (31) comprises a first end (311) coupled to the first AC terminal (11) and a second end (312), the second winding (32) comprises a third end (321) coupled to the second AC terminal (21) and a fourth end (322), and the second end (312) of the first winding (31) and the third end (321) of the second winding (32) are namesake ends of the first and second windings (31, 32); and an inductive filtering unit (4) arranged between the AC port and the second and fourth ends (312, 322) of the first and second windings (31, 32).
    • 5. 发明申请
    • PORT FAILURE COMMUNICATION IN CROSS-CONNECT APPLICATIONS
    • 交叉连接应用中的端口故障通信
    • WO2009069056A2
    • 2009-06-04
    • PCT/IB2008054903
    • 2008-11-21
    • ADC DSL SYS INCPOLLAND JOEYANG FU-CHIN
    • POLLAND JOEYANG FU-CHIN
    • H04L12/26H04L29/02
    • H04L12/2881H04L41/0677H04L41/0681
    • Systems and methods for communicating faults across a communications network cross-connect are provided. In one embodiment, a method for communicating an alarm condition in a cross-connected network is provided. The method comprises providing a cross-connect having a first side and a second side, wherein the first side includes a plurality of interface ports and the second side includes an interface port; detecting a fault on a first interface port of the first side; and when a fault is detected on the first interface port of the first side, transmitting a signal on the interface port of the second side, the signal having a pre-defined alarm data pattern inserted into one or more time slots associated with the first interface port of the first side.
    • 提供了用于在通信网络交叉连接中通信故障的系统和方法。 在一个实施例中,提供了一种用于在交叉连接网络中传达报警条件的方法。 该方法包括提供具有第一侧和第二侧的交叉连接,其中第一侧包括多个接口端口,第二侧包括接口端口; 检测所述第一侧的第一接口端口的故障; 并且当在所述第一侧的所述第一接口端口上检测到故障时,在所述第二侧的接口端口上发送信号,所述信号具有插入到与所述第一接口相关联的一个或多个时隙中的预定义报警数据模式 港口的第一边。