您要查找的是不是：
- PWM current control with fixed switching frequency 固定开关频率PWM电流控制
- Fixed Switching Frequency Over-Modulation Control Method of PWM Rectifier PWM整流器的过调制固定开关频率控制方法
- Development of Three-phase Voltage Source PWM Reversible Converter with Fixed Switching Frequency 恒频电流跟踪控制的三相PWM可逆变流器的研制
- Study on Width Self Adapting Quasi Fixed Switching Frequency of Three-level Hysteresis Loop PWM Inverter 三电平自适应滞环宽度实现准固定开关频率的研究
- fixed switching frequency 固定开关频率
- 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。
- 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。
- 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 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。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- 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。
- To reduce the current harmonics around switching frequency of the three-phase pulsewidth modulation(PWM)rectifiers, a LCL filter is adopted. 为了减少PWM整流器开关频率附近高次谐波的含量,采用三次LCL滤波器。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
