The multi-variable double-loop control is used for the real-time tracking,and the inherent principle error existing in the single-loop control is eliminated. The synchronization phase-locked control makes the frequency and phase of output current equal to those of utility voltage.
针对光伏并网的特点，本文提出了一种基于多变量双环控制与同步锁相控制的并网控制策略，多变量双环控制用于电流的实时跟踪，解决了只采用单环控制存在的原理性误差问题；同步锁相控制则保证输出电流与电网电压同频和同相。
参考来源 - 光伏并网控制方法和系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Digital thyristor Trigger of High Accuracy is introduced, which is based on phase locked loop synchronization and suitable for dual antistar rectification circuit.
介绍一种高精度数学晶闸管触发器，它基于锁相环同步，适用于双反星形整流电路，并已成功地应用于晶闸管弧焊电流微机控制系统。
A novel all-digital phase locked loop (PLL), applied to the carrier synchronization of communication systems, is designed.
设计了一种用于通信系统载波同步的新数字锁相环。
An automatic accurate synchronization control scheme which adopts phase locked loop principle is presented.
利用锁相环路原理提出锁相自动准同期控制方案。
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