1) line-to-line voltage synthesis strategy
双线电压合成策略
3) dual line to line voltage synthetic control strategy
双电压合成控制策略
1.
In this paper the principle of dual line to line voltage synthetic control strategy of matrix converter is analyzed; by means of simulation by Matlab/ Simulink it is proved that when disturbances such as harmonics and three-phase unbalance exist in input power supply source the output waveform is still ideal sinusoida.
文章分析了矩阵变换器双电压合成控制策略的原理,证明了在输入侧电源存在不平衡以及谐波的情况下,输出侧仍然为理想正弦波,并通过Matlab/Simulink仿真证明了该结论,而且此时电压谐波畸变率几乎没有发生变化。
4) double line voltage synthesis
双线电压合成
1.
An improved double line voltage synthesis strategy was developed and a new command current method was presented.
提出了改进的双线电压合成策略,并给出了一种新的指令电流生成方法。
5) two-line voltage synthesis
双电压合成
1.
Nonlinearity compensation method based on two-line voltage synthesis for matrix converter;
矩阵变换器双电压合成策略的非线性补偿法
2.
Aiming at the safe commutation of matrix converter,analyszed the character of two-line voltage synthesis control strategy and the traditional four-steps safe commutation and presented an advanced commutation method based on input voltage.
分析了双电压合成控制策略和传统四步安全换流策略的特点,以矩阵变换器的可靠换流为目标,提出了基于电压法四步安全换流策略的改进方法,包括设计出新的PWM脉冲发生方式和采用电压法三步安全换流策略。
3.
The process of traditional four-step commutation strategy is analyzed based on two-line voltage synthesis,which reduce the reliability of commutation and induce the distortion of input and output waveforms because of the delay of commutation moment.
基于双电压合成策略,分析了传统的四步换流策略由于换流时刻存在延迟,降低了换流可靠性,并且会导致输入和输出波形发生畸变。
6) two line voltage synthesis
双电压合成
1.
Aiming at increasing the safe commutation and improving the quality of output waveform,an improved safe commutation method based on two line voltage synthesis is presented by analyzing the cha-racter of traditional four-step commutation.
分析了基于双电压合成策略的传统四步换流的特点,以安全换流和改善输出波形质量为目标,提出了改进的四步安全换流策略。
2.
Based on the principle of the two line voltage synthesis control for matrix converter,the method to indirectly generate the required PWM pulses is presented.
在分析了矩阵变换器双电压合成原理的基础上,针对该控制原理需要产生不规则的PWM脉冲,提出了一种新颖的脉冲间接产生方法。
3.
The commutation problem was demonstrated by experiments on MC at different voltage and frequency in the laboratory,which was caused by the commutation process of Matrix Converter(MC) having no natural free-wheeling paths,and also the problem was found that the fixed step of the two line voltage synthesis strategy will lead to the serious distor-tion of the waveforms.
通过对矩阵变换器(Matrix Converter,简称MC)进行不同电压和频率的实验,验证了理论研究得出的主要结论:MC因没有续流路径而导致换流问题,以及采用双电压合成策略时,因换流步长固定而导致波形失真较严重的问题。
补充资料：线电压
线电压
line voltages
x landlonyo线电压(line voltages)三相电路中A、B、C三相引出线相互之间的电压，又称相间电压。不论星形接线还是三角形接线，三个线电压分别是UAB、UBc和UcA，如图所示。x(A相)A┌───┐│(C相)C│└───┘(A相)(e相)洋 (B相)YC 三相电源的线电压 线电压与相电压间的关系是(以电源侧为例):①对三角形接线，线电压就等于对应的相电压;②对星形接线，则线电压与相电压之间的关系为UAB一UAN一亡BN、亡Bc~亡BN一亡cN和亡cA~亡cN一亡A、。 若三相电源的相电压为正序(负序)对称组，则三相线电压也为正序(负序)对称组。这对三角形电源(或三角形负载)是不言而喻的。对星形电源(或星形负载)，以正序对称组为例，有 氏B一么N一亡州一了飞-亡AN/3扩 氏C一么N一氏N一丫丁氏N/30。 亡e、一亡eN一亡AN一丫了亡cN/30。可见，在对称三相电路中，不论三相电源或三相负载，在三角形接法时有UL一U。，在星形接法时有UL~了万~u。，这里，uL和u。分别为线电压和相电压的有效值。
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