A unified model for harmonics and reactive current closed-loop or open-loop detection was established based on instantaneous reactive power theory.
基于瞬时无功功率理论建立了谐波及无功电流检测系统闭环、开环的统一模型。
A feedforward or open loop method is used to estimate the parameters, and then more accurate feedback or closed loop method is used to complete synchronization.
首先利用前向估测方法对参数进行预估计，在此基础上结合后向反馈方法完成同步。
Hydraulic pumps from Parker are available in high pressure or low pressure varieties for a wide range of open loop or closed loop applications.
从派克液压泵是应用程序可在高压或闭环或开环压力低的品种，适用范围广的。
Hydraulic pumps from Parker are available in high pressure or low pressure varieties for a wide range of open loop or closed loop applications.
从派克液压泵是应用程序可在高压或闭环或开环压力低的品种，适用范围广的。
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