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- Experience in frequency inverter, motor ,MCC, instrumentation. 熟悉变频器;电机;MCC;仪表等现场设备.
- Note 1 Single display the three phase total active power. 注1:单屏显示三相总有功功率。
- Adopt multi-function digital frequency inverter, and stepless variable speed. 采用多功能数显变频器,无级变速;
- Three phase wiring saves 50% of power compared with one-phase. 三相电源比单相电源可省电逾50%25之多。
- Is the stator three phase line voltage the same? And is it current zero? 定子三相电压是否相等?其电流是否为零?
- This control method was applied to a three phase AC/DC/AC conversion system. 该控制思想在三相AC/DC/AC系统中进行了实验验证。
- This paper mainly explicates the high frequency inverter circuit and its features and deliberates the question of how to prevent the short circuit of inverter. 主要阐述了高频逆变电路及其特点,以及防止高频逆变桥短路的方法。
- Research of three phase inverter bridge supply SRM 三相逆变桥驱动开关磁阻电机的研究
- Minsky divided the process into three phases. 明斯基将该过程划分为三阶段。
- Y. Hatanaka, “Zero-Current-Switching High Frequency Inverter With Constant Frequency Power Control,” Power Conversion Conference, Yokohama, No. 19-21, Apr. 1993, pp. 265-270. 黄少崴,“新型零电流切换脉波宽度调变蓄电池充电器”,昆山科技大学电机工程系硕士论文,2005年。
- The Continuous Phase Frequency Shift Keying(CPFSK) signaling scheme has been widely used in mobile applications. 连续相位频移键控(CPFSK)信号广泛应用于便携式移动通信系统。
- The proposed method has been simulated and it proves that rational time of generator paralleling can be forecast in the case of the imbalance of three phase voltages and the fluctuation of slip frequency. 试验表明:文中提出的方法能够在三相电压不平衡和滑差角速度波动时预报出合理的并网时机。
- In this paper, a simple method of plotting logarithmic phase frequency response curve for open-loop systems is advanced. 文章给出了绘制开环系统对数相频特性曲线的简便方法。
- A half-bridge bi-directional current mode high frequency inverter was proposed, and the problem of unequal voltage of capacitance in this circuit can be resolved by adding a balance coil. 提出了半桥双向电流源高频链逆变器的拓扑结构,并对电路固有的电容电压不平衡问题提出了解决方法,采用平衡绕组可以彻底解决电容电压不平衡。
- A three phase symmetry AC winding is used as control winding of the inner stator, a car including ring-like PM rotor as correcting weight. 以三相对称交流绕组作为内定子控制绕组,包括环形磁钢永磁转子的小车作为校正质量。
- Quantization noise analysis of linear phase frequency sampling FIR filters was discussed, and computation formula for measuring quantization noise was described in this paper. 主要分析了线性相位频率采样FIR滤波器中的量化噪声,并给出计算公式。
- Eventing is an equestrian sport consisting of three phases. 综合全能马术赛,包括三个阶段,第一,越野比赛。
- This paper introduces the application of the programmable controller,the direct current velocity modulation system,the frequency inverter and the electronic cam switch in chamfering machine. 介绍可编程控制器、直流调速系统、变频器、电子凸轮开关在倒棱机中的应用。
- Will be conducted in three phases aquaculture breeding project. 公司将分三期进行养殖繁育工程建设。
- Abstract: This paper describes a clock and data recovery(CDR)circuit for RFID tag, and a new phase frequency detector(PFD) is proposed for this CDR circuit for NRZ data. 文章摘要: 提出了一种适用于射频电子标签的时钟数据恢复电路,在电路中提出了一种适用于NRZ数据的新型鉴频鉴相器电路和自适应控制单元,能动态调节边沿检测器中延迟单元的延迟时间,使此时钟数据恢复电路具有大的锁定范围,且有结构简单易实现的特点。