1) voltage distortion rate
电压畸变率
2) Distortion rate of voltage
电压总畸变率
3) 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。
4) distorted voltage
畸变电压
1.
The physical meaning of the instantaneous power theory is explained by comparing with the traditional power theories and the instantaneous power theory is used to observe distorted current and distorted voltage.
将瞬时功率理论推广应用于具有非正弦波形和不平衡负载的三相四线制系统,试图通过与传统 功率定义的对比解释其物理意义,并将其应用于三相四线制系统的畸变电流或畸变电压观测,通过仿真 验证了所提出观测方法在 APLC控制中应用的有效性。
5) voltage disturbance
电压畸变
1.
Based on the study of the voltage disturbance process,the measures of mitigating the voltage disturbance was discussed to protect the other electric power facilities against EMI.
由于消磁工艺的特殊性,对于挂接于电网输出大功率电流脉冲的消磁电源有可能给电网造成极大的电磁污染,导致电网电压畸变。
6) voltage harmonic distortion
电压波形正弦性畸变率
1.
Testing of voltage harmonic distortion based on hybrid program technology;
基于混合编程的电压波形正弦性畸变率测试
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。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条