A new excitation control strategy is proposed for the rotor side converter in a doubly fed induction generator (DFIG) to allow the system to ride through a symmetrical grid fault.
提出了一种电网对称故障时保持双馈感应风力发电机不脱网运行的新型励磁控制策略。
Numerical methods for hypersonic flow with chemical non-equilibrium reactions on the unstructured grid are used to analyze the drag induction of channel-configurations.
在非结构网格上对二维高超声速化学非平衡粘性绕流进行了数值模拟 ,并应用此方法对涵道构型高超声速减阻特性进行了数值分析。
Numerical methods for hypersonic flow with chemical non-equilibrium reactions on the unstructured grid are used to analyze the drag induction of channel-configurations.
在非结构网格上对二维高超声速化学非平衡粘性绕流进行了数值模拟,并应用此方法对涵道构型高超声速减阻特性进行了数值分析。
DD862 single phase watt-hour meter is an induction meter which is applicable to measure the rated frequency of 50 Hz, and power loss of single-phase intercourse grid.
用途APPLICATIONDD862单相电度表系感应式单相交流有功电度表,用于计量额定频率为50hz,单相交流电网中有功电能的消耗。
DD862 single phase watt-hour meter is an induction meter which is applicable to measure the rated frequency of 50 Hz, and power loss of single-phase intercourse grid.
用途APPLICATIONDD862单相电度表系感应式单相交流有功电度表,用于计量额定频率为50hz,单相交流电网中有功电能的消耗。
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