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- By high frequency injection method and a kind of magnetic anisotropy of PMSM, the rotor saliency position can be calculated in the PMSM sensorless vector control system. 摘要通过注入特定的高频电压信号,利用电机的各向异性以确定转子的凸极位置,在同步电机无传感器矢量控制中,对包括零速度在内的所有速度下都能获得精确的转子位置信息。
- Secondly,based on the mathematical model of high frequency injection for salient pole PMSM, A high frequency signal injection method is used to estimate the rotor position of PMSM. 其次,在分析凸极永磁同步电动机数学模型的基础上,阐述了采用高频电压信号注入法进行转子磁极位置估计的原理。
- Key Words: Non-speed sensor;Induction motor;Direct torque;Experiment;High frequency injection method(HFIM 关键词:无速度传感器;感应电动机;直接转矩;实验;高频信号注入法
- high frequency injection 高频注入
- Small dissipation factor at high frequency. 高的频率和小的损耗因素.
- High Frequency Switch-mode Rectifier for. 通信用高频开关整流器。
- High Frequency and Temperature Stability. 高频及高温稳定。
- Linear and Stable High Frequency Characteristics. 稳定的线性高频特性。
- Provides high Q characteristics in high frequency. 在高频率时提供高的品质因数(Q)值特性.
- Antistatic 50W high frequency power quick clean. 防静电50W高频功率,清洗效果显著。
- Dolphins produce a high frequency sound. 海豚可以发出高频音。
- Yadong High Frequency Welding Steel Manufacture CO. LTD提供钢卷和其他产品。
- Feature:low dissipation factor at high frequency. 特征:高频率,低损耗;容量稳定;自愈性能佳,适合高阻 Recommended Application: Timing, tuned, Oscillator circuits;
- VHFJ? Very High Frequency Jammer? 甚高频干扰台?
- A micro-droplet injection device which is combined bimorph PZT plate and array micro nozzle plate could inject and atomize liquid with high frequency. 一种结合双向振动压电片和阵列微孔喷孔片所构成的微液滴喷射装置,藉由高频驱动讯号,可以将腔体内的液体以微液滴喷出并形成雾化,藉由电控回路可以控制喷雾的流量和雾化液滴的品质;
- Based on low frequency injection, lacunarity and Fractal dimension ascertain an exclusive point on a plane and then the fault branch can be found. 在以低频注入法为基础的直流系统故障检测中,利用分形维数和凹凸度参数惟一确定的二维平面上点的位置,来识别不同情况的接地故障。
- High frequency high voltage arc initiating, high success rate. 高频高压引弧,成功率高。
- Familiar with high frequency circuit and mobile basic theory. 熟悉高频电子线路、移动通信基本原理。
- The higher frequency in the gains of chromosome No. 结果表明,鼻咽癌染色体畸变具有类型广泛、畸变率高等特点。
- Purpose: High frequency high voltage amplifier, video output. 用途:用于高频,高压放大,视频输出。