求翻译：提出一种应用于光伏发电系统的基于空间矢量脉宽调制（svpwm）和双闭环功率控制方式的三电平控制策略。建立了光伏发电网侧逆变器数学模型，计算了基本矢量的作用时间规律，实现了最大功率输出和并网运行电流有功分量和无功分量解耦控制。仿真结果表明，系统能够跟踪综网侧功率变换，并网时功率因数为一，电流波形正弦度高且谐波分量小。是什么意思？

Used in photovoltaic power generation system is proposed based on space vector pulse width modulation (svpwm) and double-loop power control method of three-level control strategy. Establishment of photovoltaic grid-side inverter made mathematical model to calculate the basic law of the vector functi

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Proposed one kind applies in the light bends down the generating system based on spatial vector pulse-duration modulation (svpwm) and the double closed loop power control mode three level control strategy.Established the light to bend down sends the electrical network side invertor mathematical mode

Present a applies to photovoltaic power generation system based on space vector pulse width modulation (svpwm) of double closed-loop power control method and control strategy of three-level. Establishing a mathematical model of PV power supply network of inverters, calculated the Basic Law of vector