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公开(公告)号：EP3217507B1
公开(公告)日：2019-07-17
申请号：EP17160092.7
申请日：2017-03-09
发明人： LIU, Jinjun , WU, Teng , LIU, Zeng , WANG, Shike , LIU, Baojin , TAO, Yong
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2.发明公开
公开(公告)号：EP3174186A3
公开(公告)日：2017-08-30
申请号：EP16200753.8
申请日：2016-11-25
发明人： LIU, Jinjun , LIU, Baojin , LIU, Zeng , WU, Teng , WANG, Shike
CPC分类号： H02J3/18 , H02M7/42 , H02M7/537 , H02M2001/0093 , Y02E40/30
摘要： A method and an apparatus for decoupling output power of an inverter are provided. The method comprises: obtaining voltage amplitude instruction E* and voltage phase instruction θ* according to an output voltage and an output current of the inverter; obtaining an amplitude feedforward amount E ff and a phase feedforward amount δ ff according to an amplitude U of a grid voltage of the power grid, an amplitude E of the output voltage of the inverter, and a phase difference δ between the output voltage of the inverter and the grid voltage; obtaining a reference voltage amplitude E ref according to the voltage amplitude instruction E* and the amplitude feedforward amount E ff , and obtaining a reference voltage phase θ ref according to the voltage phase instruction θ* and the phase feedforward amount δ ff ; and regulating the output power of the inverter using the reference voltage amplitude E ref and the reference voltage phase θ ref .
摘要翻译： 提供了一种用于解耦逆变器的输出功率的方法和设备。 该方法包括：根据逆变器的输出电压和输出电流获得电压幅度指令E *和电压相位指令θ* 根据电网的电网电压的振幅U，逆变器的输出电压的振幅E以及逆变器的输出电压与逆变器的输出电压之间的相位差δ获得振幅前馈量Eff和相位前馈量δff 电网电压; 根据电压幅度指令E *和幅值前馈量Eff获得参考电压幅值Eref，并根据电压相位指令θ*和相位前馈量δff获得参考电压相位θref; 并且使用参考电压幅度Eref和参考电压相位θref来调节逆变器的输出功率。
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3.发明公开SECONDARY CONTROL METHOD AND APPARATUS OF PARALLEL INVERTERS IN MICRO GRID 审中-公开微网格中并联逆变器的二次控制方法及装置
公开(公告)号：EP3217507A1
公开(公告)日：2017-09-13
申请号：EP17160092.7
申请日：2017-03-09
发明人： LIU, Jinjun , WU, Teng , LIU, Zeng , WANG, Shike , LIU, Baojin , TAO, Yong
摘要： The present invention discloses a secondary control method and apparatus of parallel inverters in a micro grid, comprising: generating frequency and amplitude of fundamental voltage in the voltage instruction of inverter by droop control according to output voltage and output current of inverter to obtain a fundamental voltage instruction value; extracting voltage values and current values of a first and second AC signals from output voltage and output current of inverter, generating frequency instruction values of the first and second AC signals by droop control to obtain voltage instruction values of the first and second AC signals; regulating the output voltage of inverter according to the voltage instruction value of the first AC signal, the voltage instruction value of the second AC signal and the fundamental voltage instruction value.
摘要翻译： 本发明公开了一种微电网并联逆变器的二次控制方法和装置，包括：根据逆变器的输出电压和输出电流，通过下垂控制在逆变器的电压指令中产生基波电压的频率和幅值，以获得基波电压 指令值; 从逆变器的输出电压和输出电流中提取第一和第二交流信号的电压值和电流值，通过下垂控制生成第一和第二交流信号的频率指令值，以获得第一和第二交流信号的电压指令值; 根据第一交流信号的电压指令值，第二交流信号的电压指令值和基波电压指令值对逆变器的输出电压进行调节。
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4.发明公开
公开(公告)号：EP3174186A2
公开(公告)日：2017-05-31
申请号：EP16200753.8
申请日：2016-11-25
发明人： LIU, Jinjun , LIU, Baojin , LIU, Zeng , WU, Teng , WANG, Shike
CPC分类号： H02J3/18 , H02M7/42 , H02M7/537 , H02M2001/0093 , Y02E40/30
摘要： A method and an apparatus for decoupling output power of an inverter are provided. The method comprises: obtaining voltage amplitude instruction E* and voltage phase instruction θ* according to an output voltage and an output current of the inverter; obtaining an amplitude feedforward amount E ff and a phase feedforward amount δ ff according to an amplitude U of a grid voltage of the power grid, an amplitude E of the output voltage of the inverter, and a phase difference δ between the output voltage of the inverter and the grid voltage; obtaining a reference voltage amplitude E ref according to the voltage amplitude instruction E* and the amplitude feedforward amount E ff , and obtaining a reference voltage phase θ ref according to the voltage phase instruction θ* and the phase feedforward amount δ ff ; and regulating the output power of the inverter using the reference voltage amplitude E ref and the reference voltage phase θ ref .
摘要翻译： 提供了一种用于在逆变器的输出功率去耦的方法和设备。 该方法包括：获得电压幅度指令E *和电压相位指令¸*gemäß对输出电压和所述逆变器的输出电流; 振幅前馈量的获得ËFF和相位前馈量“FF雅鼎在所述电网的电网电压的振幅U，振幅逆变器的输出电压的E，和相位差”的输出电压之间 逆变器和电网电压; 获得参考电压强度E REF雅丁到的电压幅度指令E *和振幅前馈量ëFF，并且获得参考电压相¸REF雅丁电压相位指令¸*和相位前馈量“FF; 和调节使用所述参考电压强度E ref和基准电压相¸REF逆变器的输出功率。
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