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零输出
相关语句
  zero-output
    THE ZERO-OUTPUT COMMUTATION STRATEGY FOR REDUCING COMMON-MODE VOLTAGE OF MATRIX CONVERTER
    用于抑制矩阵变换器共模电压的零输出换相策略
短句来源
    The paper analyzes in detail the synthetical method, the voltage gain and the switch action sequence of matrix converter based on the zero-output commutation strategy.
    该文对零输出换相策略、电压增益及开关动作顺序进行了详细的分析,并与双电压合成控制策略下共模电压的最大瞬时值进行了对比。
短句来源
    The maximal instantaneous value of common-voltage is decreased to 86.67% and 57.73% respectively. At the same time, this paper analyzes also the influence on the local averaged value in duty time of output line voltage and input phase current as well as switching times due to the change of the input phase voltage corresponding with the zero-output state.
    通过改变零输出状态所对应的输入相电压的方法,分别使共模电压的最大瞬时值减小到原来的86.67%和57.73%,分析了两种方法对输出线电压局部平均值、输入相电流局部平均值及开关次数的影响。
短句来源
    A common-mode voltage of matrix converter is analyzed in the paper. The zero-output commutation strategy of reducing common-mode voltage is presented. Which uses a positive voltage, a negative voltage and a zero-voltage to realize the control for matrix converter.
    该文对矩阵变换器的共模电压进行了分析,提出了抑制共模电压的零输出换相策略,该策略采用一个正电压、一个零电压和一个负电压实现了对矩阵变换器的控制。
短句来源
    By changing the input phase of zero-output voltages combination, the method can reduce the peak value of common-mode voltage from 1 to 0.577 times the peak value of input phase voltage,and has no effect on the local averaged value in duty time of output voltage and input current.
    该方法通过调整零输出电压组合所对应的输入相电压,可将共模电压的最大值从输入相电压幅值降低为原来的0.577倍,同时保持输出电压和输入电流的局部平均值不受影响。
短句来源
  zero-output
    THE ZERO-OUTPUT COMMUTATION STRATEGY FOR REDUCING COMMON-MODE VOLTAGE OF MATRIX CONVERTER
    用于抑制矩阵变换器共模电压的零输出换相策略
短句来源
    The paper analyzes in detail the synthetical method, the voltage gain and the switch action sequence of matrix converter based on the zero-output commutation strategy.
    该文对零输出换相策略、电压增益及开关动作顺序进行了详细的分析,并与双电压合成控制策略下共模电压的最大瞬时值进行了对比。
短句来源
    The maximal instantaneous value of common-voltage is decreased to 86.67% and 57.73% respectively. At the same time, this paper analyzes also the influence on the local averaged value in duty time of output line voltage and input phase current as well as switching times due to the change of the input phase voltage corresponding with the zero-output state.
    通过改变零输出状态所对应的输入相电压的方法,分别使共模电压的最大瞬时值减小到原来的86.67%和57.73%,分析了两种方法对输出线电压局部平均值、输入相电流局部平均值及开关次数的影响。
短句来源
    A common-mode voltage of matrix converter is analyzed in the paper. The zero-output commutation strategy of reducing common-mode voltage is presented. Which uses a positive voltage, a negative voltage and a zero-voltage to realize the control for matrix converter.
    该文对矩阵变换器的共模电压进行了分析,提出了抑制共模电压的零输出换相策略,该策略采用一个正电压、一个零电压和一个负电压实现了对矩阵变换器的控制。
短句来源
    By changing the input phase of zero-output voltages combination, the method can reduce the peak value of common-mode voltage from 1 to 0.577 times the peak value of input phase voltage,and has no effect on the local averaged value in duty time of output voltage and input current.
    该方法通过调整零输出电压组合所对应的输入相电压,可将共模电压的最大值从输入相电压幅值降低为原来的0.577倍,同时保持输出电压和输入电流的局部平均值不受影响。
短句来源
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  zero-output
This technique is proposed in order to decrease amplitude distortion of output signals that can be introduced by the robust DFT calculated within a wide interval including possible zero-output.
      
This implies that the closedloop system is O-GAS and zero-output dissipative, hence iISS.
      
We conclude that the system is 0-GAS and zero-output dissipative; hence iISS.
      
  zero-output
This technique is proposed in order to decrease amplitude distortion of output signals that can be introduced by the robust DFT calculated within a wide interval including possible zero-output.
      
This implies that the closedloop system is O-GAS and zero-output dissipative, hence iISS.
      
We conclude that the system is 0-GAS and zero-output dissipative; hence iISS.
      


Based on the concept of "original switch", the instantaneous value of common-mode voltage for matrix converter under the control strategy of two line voltage is analyzed in the paper and its general rules are summarized up. Two kinds of approaches are proposed by means of changing the input phase voltage corresponding with the zero-output state to reduce common-mode maximal instantaneous value of voltage. The maximal instantaneous value of common-voltage is decreased to 86.67% and 57.73% respectively. At the...

Based on the concept of "original switch", the instantaneous value of common-mode voltage for matrix converter under the control strategy of two line voltage is analyzed in the paper and its general rules are summarized up. Two kinds of approaches are proposed by means of changing the input phase voltage corresponding with the zero-output state to reduce common-mode maximal instantaneous value of voltage. The maximal instantaneous value of common-voltage is decreased to 86.67% and 57.73% respectively. At the same time, this paper analyzes also the influence on the local averaged value in duty time of output line voltage and input phase current as well as switching times due to the change of the input phase voltage corresponding with the zero-output state. The validity of the conclusions is demonstrated by a simulation.

该文在"原点开关"概念的基础上,对双电压合成控制策略下矩阵变换器共模电压的瞬时值进行了分析,总结了共模电压瞬时值产生的一般规律。提出了两种减小共模电压最大瞬时值的方法。通过改变零输出状态所对应的输入相电压的方法,分别使共模电压的最大瞬时值减小到原来的86.67%和57.73%,分析了两种方法对输出线电压局部平均值、输入相电流局部平均值及开关次数的影响。通过仿真验证了结论的正确性。

A common-mode voltage of matrix converter is analyzed in the paper. The zero-output commutation strategy of reducing common-mode voltage is presented. Which uses a positive voltage, a negative voltage and a zero-voltage to realize the control for matrix converter. The local ly averaged value of output line voltage in duty time is sinusoidal; the voltage gain reaches the maximal value theoretically; the maximal instantaneous value of common-mode voltage based on the zero-output commutation strategy is...

A common-mode voltage of matrix converter is analyzed in the paper. The zero-output commutation strategy of reducing common-mode voltage is presented. Which uses a positive voltage, a negative voltage and a zero-voltage to realize the control for matrix converter. The local ly averaged value of output line voltage in duty time is sinusoidal; the voltage gain reaches the maximal value theoretically; the maximal instantaneous value of common-mode voltage based on the zero-output commutation strategy is the half of the magnitude of the input phase-voltage and is compared with the maximal instantaneous value of common-mode voltage under the control strategy of two line voltage. The paper analyzes in detail the synthetical method, the voltage gain and the switch action sequence of matrix converter based on the zero-output commutation strategy. Finally, the validity of the conclusions is demonstrated by simulation.

该文对矩阵变换器的共模电压进行了分析,提出了抑制共模电压的零输出换相策略,该策略采用一个正电压、一个零电压和一个负电压实现了对矩阵变换器的控制。其输出三相线电压局部平均值为对称正弦量;电压增益可以达到了理论上的最大值;共模电压的最大瞬时值为输入相电压幅值的一半。该文对零输出换相策略、电压增益及开关动作顺序进行了详细的分析,并与双电压合成控制策略下共模电压的最大瞬时值进行了对比。最后,通过仿真验证了结论的正确性。

Matrix converter has received considerable attention due to its nearly ideal characteristics.The use of PWM modulation technology will cause highfrequency common-mode voltage inevitably,which would be very dangerous to the electrical equipment.The mechanism of common-mode voltage of matrix converter was analyzed,and based on the two line voltage synthesis strategy, an approach to reduce common-mode voltage at the output of a matrix converter was presented.By changing the input phase of zero-output voltages combination,...

Matrix converter has received considerable attention due to its nearly ideal characteristics.The use of PWM modulation technology will cause highfrequency common-mode voltage inevitably,which would be very dangerous to the electrical equipment.The mechanism of common-mode voltage of matrix converter was analyzed,and based on the two line voltage synthesis strategy, an approach to reduce common-mode voltage at the output of a matrix converter was presented.By changing the input phase of zero-output voltages combination, the method can reduce the peak value of common-mode voltage from 1 to 0.577 times the peak value of input phase voltage,and has no effect on the local averaged value in duty time of output voltage and input current.By rearranging the switching sequence,the number of switch commutations in each cycle period remains 8.The validity of the conclusion is demonstrated by simulation results.

矩阵变换器以其诸多理想特性受到越来越多的关注。而PWM调制技术的应用不可避免地会产生高频共模电压,对电气设备的运行会产生相当大的危害。分析了矩阵变换器共模电压产生的机理,基于双电压合成策略,提出了一种可有效降低矩阵变换器共模电压最大值的优化方法。该方法通过调整零输出电压组合所对应的输入相电压,可将共模电压的最大值从输入相电压幅值降低为原来的0.577倍,同时保持输出电压和输入电流的局部平均值不受影响。并通过调整开关顺序,使一个开关周期内的换流次数保持8次不变。仿真结果验证了结论的正确性。

 
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