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- Multiphase SVPWM 多相SVPWM
- A restore is a multiphase process. 还原是一个多阶段过程。
- Application of LWB multiphase pumps in oilfields. LWB型混输泵在油田的应用。
- International Journal of Multiphase flow. 国际多相流杂志。英国。
- The experiment is run in the lab of multiphase flow,the effect is very good. 该技术在多相流实验室中进行了实验,取得了良好效果。
- Normally there are two algorithms of PWM wave, i.e. the traditional SPWM method and the latter SVPWM method. 常用的PWM 波形算法有两种,即传统的正弦脉宽调制(SPWM)方法和空间矢量脉宽调制(SVPWM)方法。
- Two novel single-mode feed-forward carrier-less-based SVPWM overmodulation strategies are proposed. 提出了2种开环无载波的SVPWM单模式过调制策略。
- This thesis analyses the peculiarity of several optimized methods of SVPWM roundly, simulation experiment is done. 本文较全面地分析了多种SVPWM优化方法的特点，进行仿真实验。
- Firstly, the thesis introduces the principles of PWM convertor simply, and advances the concept of SVPWM. 本论文首先简单介绍了PWM逆变器的原理，并随之提出空间电压矢量的概念。
- It is not possible to design for capsule pipeline flow with an accuracy comparable to that for singlephase or even many multiphase systems. 不可能对包囊的管道流动做出与单相乃至许多相体系在精确度上。
- Thirdly, on the basis of analyzing the control process of space vector PWM(SVPWM), the paper proposes SVPWM applied to APF control. 在分析空间矢量PWM（SVPWM）控制过程的基础上，提出了在SAPF控制中应用SVPWM的方法；
- The above phenomena, and some others to be observed with these materials can be explained by the multiphase theory. 上述现象及通过这些材料观察到的一些其他现象,可用多相理论来解释。
- This new control strategy is very simple in configuration with only two voltage sensors and is appropriate to CVCF SVPWM inverters. 该新型闭环控制策略只需两个电压霍尔,控制结构非常简单。
- LBP(Linear Back Projection) method which is used in multiphase tomography is adopted to deal with ill matrix and speed up reconstruction. 进而借助于多相流电容成象中的LBP法，处理病态矩阵和提高建象速度。
- This paper presented the principle of space vector pulse width modulation(SVPWM) employed in vector control system for asynchronous motors. 仿真结果表明采用SVPWM调制的异步电机的矢量控制系统具有良好的动态性能和稳态精度。
- The range of products will include carbon steel, HSLA steel, silicon steels and modern multiphase steels. 产品的范围将包括碳钢、HSLA钢、硅钢以及现代复相钢。
- A classical space-vector pulsewidth modulator (SVPWM) with equal duration of application of zero-state vectors U0 and U7 was modified. 常用的SVPWM中零矢量U0和U7的工作时间是平均分配的。
- TiB2-Al2O3 Multiphase ceramics with Y2O3-La2O3 as sintering aids are fabricated by hot pressing. 本文以Y2O3-La2O3为烧结助剂,通过热压烧结制备了TiB2-Al2O3复相陶瓷,研究了原料组成对材料的显微结构和力学性能的影响。
- The introduction of this text is based on MATLAB/ SIMULINK simulation of SVPWM、position sensorless、SMO Control integrated work in a PMSM. 本文介绍了一种将空间矢量脉宽调制技术、无位置传感器的位置估算和滑模变结构控制等技术综合运用于永磁同步电机的MATLAB/SIMULINK仿真模型。
- Develops relations pertaining to multiphase equilibria as determined by a treatment of solution thermodynamics. 阐述由溶液热力学分析决定的多相平衡的关系。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
