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    • 3. 发明申请
    • TURBINE-BASED ENERGY GENERATION SYSTEM WITH DC OUTPUT
    • 基于涡轮机的直流输出能量发电系统
    • WO2014109992A1
    • 2014-07-17
    • PCT/US2014/010360
    • 2014-01-06
    • ABB TECHNOLOGY AGBALA, SandeepPAN, JiupingCARR, Joseph A.
    • BALA, SandeepPAN, JiupingCARR, Joseph A.STEIMER, PeterAPELDOORN, OscarLINDER, Stefan
    • H02J3/38H02M7/483
    • H02K47/02H02J3/386H02M7/483H02M2007/4835Y02E10/763
    • An energy generation system includes a turbine (102), an electric generator (100), a step-up transformer (106), and a converter (104). The turbine (102) is operable to extract energy from a fluid flow and convert the extracted energy into mechanical energy. The electric generator (100) is operable to convert the mechanical energy from the turbine (102) into AC electrical energy. The step-up transformer (106) is operable to transfer the AC electrical energy at a lower voltage from the electric generator (100) to a higher voltage. The converter (104) is operable to convert the AC electrical energy at the higher voltage to DC electrical energy. The converter (104) includes a converter leg (110) for a phase of the AC electrical energy. The converter leg (110) has an upper arm with a first plurality of sub-modules (112) and a lower arm with a second plurality of sub-modules (114). Each sub-module (112, 114) is operable to function as a controlled voltage source.
    • 能量生成系统包括涡轮机(102),发电机(100),升压变压器(106)和转换器(104)。 涡轮(102)可操作以从流体流提取能量并将提取的能量转换成机械能。 发电机(100)可操作以将来自涡轮(102)的机械能转换成AC电能。 升压变压器(106)可操作以将来自发电机(100)的较低电压的交流电能传递到更高的电压。 转换器(104)可操作以将较高电压处的AC电能转换成DC电能。 转换器(104)包括用于AC电能的相位的转换器支脚(110)。 转换器支脚(110)具有具有第一多个子模块(112)的上臂和具有第二多个子模块(114)的下臂。 每个子模块(112,114)可操作以用作受控电压源。
    • 4. 发明申请
    • BIDIRECTIONAL POWER CONVERSION WITH FAULT-HANDLING CAPABILITY
    • 具有故障处理能力的双向功率转换
    • WO2014109989A2
    • 2014-07-17
    • PCT/US2014010353
    • 2014-01-06
    • ABB RESEARCH LTDBALA SANDEEPCARR JOSEPH A
    • BALA SANDEEPCARR JOSEPH A
    • H02M1/32
    • H02M7/483H02M1/32H02M7/487H02M2001/325H02M2007/4835Y02B70/126
    • A power conversion system (100) includes a unipolar bidirectional power converter (102) with DC terminals and a first controller (106), and a bipolar bidirectional power converter (104) with DC terminals connected in series with the DC terminals of the unipolar bidirectional power converter (102) and a second controller (108). The first controller (106) is operable to cause only a positive-valued DC voltage across the DC terminals of the unipolar bidirectional power converter (102). The second controller (108) is operable to cause a positive-valued or negative-valued DC voltage across the DC terminals of the bipolar bidirectional power converter (104) so that a total voltage of the power conversion system (100) is the sum of the positive-valued or negative-valued DC voltage across the DC terminals of the bipolar bidirectional power converter (104) and the positive-valued DC voltage across the DC terminals of the unipolar bidirectional power converter (102).
    • 电力转换系统(100)包括具有直流端子的单极双向功率转换器(102)和第一控制器(106),以及双极双向功率转换器(104),其中DC端子与单极双向的DC端串联 功率转换器(102)和第二控制器(108)。 第一控制器(106)可操作以仅在单极双向功率转换器(102)的DC端子上引起正值的直流电压。 第二控制器(108)可操作以在双极双向功率转换器(104)的DC端上引起正值或负值的DC电压,使得电力转换系统(100)的总电压为 双极双向功率转换器(104)的直流端子两端的正值或负值的直流电压以及单极双向功率转换器(102)的直流端子两端的正值的直流电压。