负序分量 meaning in English
negative sequence component
negative-phase sequence component
Examples
- This thesis proposed a real - time detection method for fundamental negative - and positive - sequence based on space vector
本文提出了一种基于空间矢量概念的基波正序、负序分量实时提取新方法。 - Based on the adaptive interference canceling theory and the concept of space vector , an adaptive fundamental positive / negative sequence component and harmonic component detecting method is developed . due to the close loop structure , this method has quite good robustness , and can meet the requirement of the asymmetrical control of hvdc - vsc well
运用自适应干扰对消原理和空间矢量的概念，提出了一种基波正序分量、基波负序分量及谐波分量的自适应检测方法，并进行了详细的理论分析，为研究hvdc - vsc的不对称运行控制奠定了基础。 - It satisfies the requirements of china standard ( gb / t 14549 - 93 ) , the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation . this thesis mainly analyzes the effects on the electric elements , feeding system losses , protection system and automatic device , and proposes corresponding schemes according to the problems occurring in si yan qiao substation
本文实测了泸州石燕桥变电站电气化铁路牵引负荷注入电网的谐波和负序分量，着重分析了电力系统中电气设备、供电网线损、继电保护和自动装置受电气化铁路谐波和负序的影响，并针对石燕桥变电站出现的问题提出了对策。 - On the analysis of the theory of instantaneous reactive power , the paper brings forward a new harmonic detection method based on multiple frequency transform . the detection theory of positive sequence harmonic and negative sequence harmonic is respectively proved in detail . the correlative concepts are defined and the simulation validates the feasibility of this method
本文在分析瞬时无功功率理论的基础上，提出了一种基于倍频旋转变换的谐波测量方法，分别针对正序和负序分量，从理论上证明了该方法能分离出单个的谐波，给出了相关量的定义，最后通过仿真验证了该方法的有效性。 - This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply . the problems such as negative sequences current , voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper . the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop
电网不平衡时，基于电网平衡为约束条件设计的三相vsr将出现不正常运行状态，比如三相vsr交流电流中出现负序分量，使交流电流严重不对称；直流电压和交流电流中出现非特征谐波分量，使直流电压和交流电流波形发生严重畸变；三相vsr从电网吸收不平衡的瞬时功率等一系列问题。