摘要:
A hybrid AC and DC distribution system (200) includes a doubly fed induction generator (DFIG) (204;504), a DC distribution bus (214), an AC/DC converter (218;506), an AC distribution bus (216), and a DC/AC converter (220;508). The DFIG includes a rotor (224) and a stator (226), and is configured to generate a first AC power at the rotor and a second AC power at the stator. The AC/DC converter (218;506) is coupled to the rotor and the DC distribution bus (214). The AC/DC converter (218;506) converts the first AC power to a first DC power at a first node (228;510) for delivery to a first load (206,210) through the DC distribution bus. The DC/AC converter is coupled between the first node and a second node (230;512) coupled to the stator (226) and the AC distribution bus (216). The DC/AC converter converts the first DC power to the second AC power at the second node (230;512) for delivery to a second load (206,208) through the AC distribution bus (216).
摘要翻译:混合AC和DC分配系统(200)包括双馈感应发电机(DFIG)(204; 504),DC分配总线(214),AC / DC转换器(218; 506),AC分配总线(216 )和DC / AC转换器(220; 508)。 DFIG包括转子(224)和定子(226),并且被配置为在转子处产生第一AC电力并且在定子处产生第二AC电力。 AC / DC转换器(218; 506)耦合到转子和DC分配总线(214)。 AC / DC转换器(218; 506)将第一AC功率转换为第一节点(228; 510)处的第一DC功率,以通过DC分配总线传送到第一负载(206,210)。 DC / AC转换器耦合在第一节点和耦合到定子(226)和AC分配总线(216)的第二节点(230; 512)之间。 DC / AC转换器在第二节点(230; 512)将第一DC电力转换为第二AC电力,以通过AC分配总线(216)传送到第二负载(206,208)。
摘要:
An uninterruptible power supply (UPS) (120;200) includes a line terminal (202), a load terminal (204), a double-conversion circuit (216) coupled in series, and further includes a bypass circuit (218), and a synchronize circuit (220). The line terminal couples to a doubly fed induction generator (DFIG) (170). The load terminal couples to a load (130) having a demanded power. The double-conversion circuit regulates grid power from the line terminal to the demanded power at the load terminal. The bypass circuit is coupled between the line terminal and the load terminal, and configured to deliver regulated power generated by the DFIG to the load terminal when the grid power is lost. The synchronize circuit is coupled between the double-conversion circuit and the DFIG, and, when the grid power is lost, the synchronize circuit injects a current through the double-conversion circuit and into the DFIG, synchronizing the regulated power generated by the DFIG to the demanded power.
摘要:
A direct current power (DC) distribution system (100) includes a plurality of DC power sources (102;400), a ring bus (108), a plurality of switch assemblies (104;210;300), and a plurality of passive protection assemblies (106;212). Each DC power source is coupled to the ring bus by a respective switch assembly and a respective passive protection assembly.