您要查找的是不是：
- In high voltage and high power fields, multilevel inverter has significant advantages, such as less distorted output, lower switching frequency, etc. 在高压大容量应用场合,多电平逆变电路具有显着的优势,比如输出谐波少、开关频率低等。
- The Algorithm of Real-time Solution of Selective Harmonic Controlling Equations for PWM With Low Switching Frequency 基于PWM低开关频率选择性谐波控制方程组的实时算法
- Dual bands study of CHB inverter with lower switching frequency 链式逆变器低开关频率的双波段研究
- low switching frequency 低开关频率
- Hysteresis control has disadvantage of unstable switching frequency. 滞环控制方法存在开关频率变化不定的缺点。
- Direct Torque Control(DTC) of induction machines(IM),based on hysteresis comparators and selection table,suffers from variable switching frequency and large torque ripple,especially at low speed. 基于磁滞比较器和选择表的感应电机直接转矩控制(DTC),其开关频率可变,且转矩脉动大,特别在低速时。
- A device which has an extremely high input impedance, low switching speed and low power consumption. 一种高输入阻抗、低开关速度及低功耗的半导体器件。
- Gold-plated contacts are also available as an option for low switching currents. 小开关电流还可以选择镀金接点。
- Compared with ternary D-type flip-flop, this design reduces power dissipation significantly when input signals have low switching activity. 与三值D触发器相比，该触发器在输入信号开关活动性较低的情况下具有更低的功耗。
- The AD7730 also scales the ACX switching frequency in accordance with the output update rate. ad7730和ACX的整流频率比率也符合最新的输出校正频率。
- LCL filter can reduce the switching frequency ripple of the three-phase pulsewidth modulation (PWM) rectifier. 摘要采用LCL滤波可以有效地减小PWM整流器开关频率及其倍数的高次谐波。
- A constant 1.2 MHz switching frequency, with current-mode control scheme, provides stable low-noise operation at high load conditions. 恒定的1.;2 MHz开关频率及电流模式控制配置可确保高载荷条件下稳定的低噪音操作。
- A high switching frequency is chosen to minimize the size of the passive filtering components, further assisting in cost reduction. 选择一个较高的开关频率,以最小化被动过滤元件的尺寸,进一步降低成本。
- This paper also investigated the influence of the zero vector and PWM switching frequency on the acoustic noise radiated by induction machine. 选择适当的PWM开关频率能有效地降低电机的噪声·
- To reduce the current harmonics around switching frequency of the three-phase pulse width modulation (PWM) rectifiers,an LCL filter has been adopted. 此外,文中对LCL滤波的三相PWM整流器数学模型进行了详细的分析,并从理论和仿真两方面证明了LCL滤波器的优越性能。
- The experi-mental results show that this novel flyback converter has many characteristics.Such as good regulation ratio of the load;fast re-sponse;low output voltage ripple and low switching loss. 由实验结果,新型反激变换器具有良好的负载调整率、动态响应快、输出电压纹波小及开关损耗低的特点。
- The computer simulation and experimental results were demonstrated to verity the influence of PWM switching frequency on torque ripple. 通过仿真和实验验证了PWM开关频率对转矩脉动的影响，为减小转矩脉动和驱动系统的设计提供了理论依据。
- A single-phase, three-level dc-to-ac power converter using unipolar switching method with low switching loss is designed to reduce the output voltage harmonics and increase conversion efficiency. 负载侧或并联市电侧之直流-交流功率转换器将采用单相三阶层直流-交流功率转换器，以减少输出电压之谐波含量，并使用低损失之单极式正弦脉波宽度调变技术以提高转换效率。
- We draw a conclusion that the induced eddy-currents under common gradient fields and switching frequency of several thousand Hz aren t strong... 人体在常用的梯度场和几千赫兹的切换频率下感应出的电流不足以引发心室震颤,但是,梯度场切换频率的提高可能会引发心室震颤。
- It is analytically deduced that the switching frequency is inversely proportional to the number of the bridge to satisfy the same THD request. 通过分析得出：在满足相同谐波含量要求的情况下，开关频率与桥路数成反比。
