(2024年)电流畸变率 current distortion rate英语短句 例句大全

电流畸变率,current distortion rate

1)current distortion rate电流畸变率

2)current harmonic distortion电流谐波畸变率

3)current distortion电流畸变

1.The reason of inputcurrent distortion under an unbalanced input voltage was demonstrated.结果表明:改进的策略同样适用于输入电压平衡的情况;与经典策略相比,在相同的电压不平衡条件下,改进的调制策略可使输入电流畸变率(THD)减小2%~3%;改进的策略只有在输入电压能够保证输出电压达到期望输出值的条件下才能有效减小输入电流的畸变。

2.By an appro- ximate method of harmonic calculation, the guidelines for the design of the power filter are then preserted, considering the effects ofcurrent distortion and power factor.本文提出了一种适用于逆变器上的功率滤波器,并用谐波计算法,从电流畸变、功率因数的观点分析了该滤波器参数设计准则。

3.When average current control method is applied to the single-phase dc side series active power filter, the inputcurrent distortion is serious during low frequency switch turns on or turns off transient.另外在低频开关切换点后附近,电感电流上升(下降)斜率几乎为零,这也造成了实际电流会在一段时间内跟踪不上参考电流,引起输入电流畸变。

英文短句/例句

1.Now, the active filter circuit is widely adopted to repress the electric current distortion of high frequency syntonic wave.目前抑制高次谐波电流畸变都采用有源滤波电路,并首选钽电容器作为其输出滤波电容。

2.The distorted load current then causes distorted bus voltages to appear throughout the system.而畸变的负荷电流引起整个系统中母线电压畸变。

3.This deviation from perfect sinusoids is usually expressed in terms of harmonics distortion of the voltage and current waveforms.这种偏离完全正弦的畸变称为电压、电流波形的谐波畸变。

4.The Error Analysis of Current Transformer Based on Waveform Distortion Ratio基于波形畸变的电流互感器误差分析

5.Research of Distortion Current Detection Method and Compensation Current Control Method;畸变电流检测方法和补偿电流控制方法的研究

6.Research on Current Zero-crossing Distortion in PFC Converter单相PFC变换器的电流过零畸变问题研究

7.Current Phase Compensation Resolving Zero-crossing Distortion in Single-phase PFC Converter电流相位补偿解决单相PFC中的过零畸变

8.Harmonic and reactive current detection of single-phase circuit with distorted voltage畸变电压下单相电路谐波和无功电流综合检测方法

9.Analysis on Input Current Zero-Crossing Distortion of Single-Phase Power Factor Correction Converter and Its Restraints单相功率因数校正变换器输入电流过零畸变的分析与抑制

10.However, conditions are never ideal in practice, so these waveforms are often distorted.然而,实际中的情况并不理想,电压、电流波形常有畸变。

11.Electrical Network Power Flow Analysis and Research on New Measuring Methods of Electric Energy on the Condition of Distorted Signals;畸变信号条件下电网功率潮流分析与电能计量新方法研究

12.top bottom pincushion correction circuit上下枕形畸变校正电路

13.Distortion Currents Detecting Method Based on Adaptive Linear Neural Network;基于自适应线性神经网络的畸变电流检测方法研究

14.In the sinusoidal systems, active current detecting is real-time with no delay.当电压电流无畸变并平衡时,测量有功电流无过渡过程,是实时精确的;

15.These may be required where harmonic currents caused by the thyristor phase control of the reactor current must be filtered to prevent unacceptable transmission bus voltage distortion.这里须滤去由电抗器相位控制引起的谐波电流以避免不能接受的输电母线电压畸变。

16.Defection distortion test chart of transparencies for televisionGB/T6996.14-1986透射式电视偏转畸变测试图

17.The electric fields of these ions are more easily distorted.这些离子的电场较容易畸变。

18.Severe variations deform the discharge curves.严重者使放电曲线发生畸变。

相关短句/例句

current harmonic distortion电流谐波畸变率

3)current distortion电流畸变

1.The reason of inputcurrent distortion under an unbalanced input voltage was demonstrated.结果表明:改进的策略同样适用于输入电压平衡的情况;与经典策略相比,在相同的电压不平衡条件下,改进的调制策略可使输入电流畸变率(THD)减小2%~3%;改进的策略只有在输入电压能够保证输出电压达到期望输出值的条件下才能有效减小输入电流的畸变。

2.By an appro- ximate method of harmonic calculation, the guidelines for the design of the power filter are then preserted, considering the effects ofcurrent distortion and power factor.本文提出了一种适用于逆变器上的功率滤波器,并用谐波计算法,从电流畸变、功率因数的观点分析了该滤波器参数设计准则。

3.When average current control method is applied to the single-phase dc side series active power filter, the inputcurrent distortion is serious during low frequency switch turns on or turns off transient.另外在低频开关切换点后附近,电感电流上升(下降)斜率几乎为零,这也造成了实际电流会在一段时间内跟踪不上参考电流,引起输入电流畸变。

4)distorted current畸变电流

1.Method of observingdistorted current (or voltage) based on instantaneous power theory;基于瞬时功率理论的畸变电流(或电压)观测方法

2.It makes use of some characteristics of triangle functions, and calculates the amplitudes of the fundamental active and the reactive current components indistorted current.它利用三角函数的有关特性 ,对畸变电流中的基波有功和无功电流分量的振幅分别进行计算 ,然后通过低通滤波器把它们分离出来 ,最后得到基波有功和无功电流分量。

5)distortion current畸变电流

1.Thedistortion current detecting circuit is an important part of active power filter that determines its compensating characters.有源电力滤波器是用于对电力系统谐波、无功及负序电流进行动态综合补偿的装置,其中的畸变电流检测电路是决定补偿性能好坏的重要环节。

2.A non-PLL ip-iq method ofdistortion current detection was raised so as to avoid offset error of phase due to PLL.阐述了基于瞬时无功功率理论的ip-iq法基本原理,提出了一种无锁相环(PLL)的ip-iq畸变电流检测法,可以消除由于PLL而产生的相移偏差。

6)voltage distortion rate电压畸变率

延伸阅读

总谐波畸变率总谐波畸变率total harmonic distortion,THDZ。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。