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- Then the structure and work principle and control flow of VF speed regulating constant pressure water supply system was analyzed in the paper. 接着分析了变频调速恒压供水系统的构成、工作原理和控制流程。
- New scheme of port network-based VF speed regulation system 基于端口网络理论的变压变频调速新方案
- New scheme of port network-cased VF speed regulation system 基于端口网络理论的变压变频调速新方案
- VF speed regulation 交流变频调速
- And water supply system"s energy-saving principle of water pump VF speed control was clarified according to characteristic curve of running pipelines and water pump. 然后根据管网和水泵的运行特性曲线，阐明了供水系统的变频调速节能原理。
- Attach paper folding speed regulator. 附有摺纸速度调整器。
- Electronics stepless speed regulation,conveyer utilized rotated bar with heatproof tube made of silica gel. 电子无级调速，输送机构采用自转式输送棒，并加耐热硅胶管。
- A simulation modeling of double-fed motor speed regulation for 125MVA AC pulsed M-G set of HL-2A is built using Matlab. 用Matlab建立了HL-2A装置的125MVA交流脉冲发电机组的超同步双馈调速方案中相关参数的仿真模型并进行了前期仿真。
- The new control system has the functions of protection, control and speed regulation and can be operated easily. 从设计入手，提出系统应具有保护功能、控制功能、调速功能和操作简单等特点。
- The switch of the direct current stepless speed regulation is widely used in the electrician switch. 直流无级调速开关在电工开关中有着广泛的应用,手枪电钻的直流无级调速开关便是其中一例。
- The spindles motor uses electromagnetic stepless speed regulation ,and adapts to cutting for different materials. 主轴电机电磁无级调速，适应不同材质的裁切。
- This paper detailedly introduces the master circuit of the frequency transformation speed regulation, IPM, and interface circuit with DSP. 文中对变频部分的主电路、智能功率模块IPM和dsp芯片及其周围接口电路都作了详细地介绍。
- Stepless speed regulation control with frequency conversion,decreasing niose and it is more stable while high dewatering. 变频无级调速控制，降低噪音，高速脱干更加平稳可靠。
- Reasonable range of speed regulation of pipette grinding apparatus and allowable value of wobble amount are determined by means of test. 通过试验确定了磨针仪合理的调速范围和许可的磨盘跳动量值。
- Make hydraulic pressure jar drive angry , run stable , poleless speed regulation , there be no crawl phenomenon , process smoothness well. 气液压缸传动，运行平稳，无极调速，无爬行现象，加工光洁度好。
- A further switch activates the Downhill Speed Regulation (DSR) system, which automatically maintains a pre-programmed speed on steep downhill inclines. 进一步开关激活下坡调速（的DSR ）系统，该系统会自动维持一个预先编程的速度在陡峭的下坡倾向。
- With stepless speed regulator, you may control this vehicle with ease. 本车装有无级变速操纵杆，包您操纵自如。
- Stepless speed regulation of frequency conversion and configured with the three-parted counters,stable and accurate stopping. 变频无级调整，配置三级计数器，停机稳定准确。
- It allows all parameters of system including the speed regulator to be changed. 它允许对系统的所有参数包括速度调节器参数进行变动。
- Frequency variable control system is used for a stepless speed regulation so that the coal delivery is set at a continuous and even flow rate. 采用变频控制系统，实现无级调速，能连续均匀地调整给煤量。
