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1)  Distortion rate of voltage
电压总畸变率
2)  voltage distortion rate
电压畸变率
3)  total pressure distortion
总压畸变
1.
Study of staged propagation of circumferential steady total pressure distortion in axial flow compressors;
周向稳态总压畸变在多级轴流压气机中传递的逐级模拟研究
2.
Analysis of flow loss induced by inlet total pressure distortion in a small fan;
某小型风扇内进口总压畸变引起流动损失分析
3.
The numerical simulation of the total pressure distortion in the inlet with flashboard
进气道插板式总压畸变试验的数值模拟
4)  pressure distortion
总压畸变
1.
And the relations of pulsatile pressure and steady total pressure distortion charts and maximum instantaneous pressure distortion charts are also researched.
由可移动插板式畸变发生器产生进气总压畸变流场,采用幅值域和频域分析的方法对畸变流场的脉动压力进行统计分析,得到了进气总压畸变流场中气流压力脉动的特征,以及其与稳态总压畸变图谱的关系。
5)  total harmonic distortion of voltage and current
电压和电流总谐波畸变率
1.
The optimal dynamic hierarchical control strategy led to the low total harmonic distortion of voltage and current,the small switches stress,the high efficiency,and the similar transient response for STATCOM compared with that keeping the DC side voltage constant.
与直流侧电压为恒值的控制策略相比,最优动态分级控制策略减小了STATCOM的输出电压和电流总谐波畸变率及开关应力,提高了装置效率,并且不影响STATCOM补偿无功的动态性能。
6)  voltage distortion
电压畸变
1.
Measurement method for AC voltage distortion of aircraft power system;
飞机供电系统交流电压畸变测试方法
2.
The traditional Z-source inverter has dc-link voltage distortion during operating with either the small Z-source inductor or the light-load, thus decreases the performance of the Z-source inverter output voltage.
Z-源逆变器直流链电压受Z-源网络电感和负载的影响很大,在网络电感值较小或负载较轻时,直流链电压会出现明显的电压畸变,影响逆变器输出的交流电压。
3.
Generally, at low speed, there exists a voltage distortion in the input voltages for a surface-mounted permanent magnet synchronous motor (SPMSM) driven by a pulse-width modulation (PWM) voltage source inverter (VSI).
本文分析了非线性电压畸变的产生机理,提出一种考虑表贴式永磁同步电动机电阻和电感参数不确定性的基于自适应参数预测的非线性电压在线补偿策略。
补充资料:总谐波畸变率


总谐波畸变率
total harmonic distortion,THD

  Z。日gXle匕。Jlbionl.总谐波畸变率(total harmoniedistortion,THD)非正弦周期性交变量的各次谐波含有率的平方和的平方根值,简称畸变率。它是非正弦周期性波形的一个重要数字特征量,用以衡量波形畸变的程度。许多国家规定,低压电力网供电电压的总谐波畸变率不得超过5%。通常认为符合这种标准的工业用电的电压波形是工业的正弦波形。- 以电压畸变波形为例,其总谐波畸变率的定义是THD-{合广一认\a^·‘Z夕1 100;;}羚,V岌戈Ul)式中口。为第n次谐波电压的有效值,、)乙口,为基波电压的方均根值,但也常用额定电压U代替Ul。
  
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