A Novel Pulse Width Modulation Scheme for Cascaded Multilevel Inverter Research of Vector Control of Speed Regulation System Based on Cascade Multilevel Inverter 用于级联型多电平变换器的新型脉宽调制方法级联型多电平变换器调速系统矢量控制的研究
The paper introduce an renovation for Paper Cuter which use the PLC's High speed counter and inverter. 本文讲述了利用PLC的高速计数器功能结合变频器在切纸机控制上的工程改造案例。
Research on Speed Sensorless Direct Torque Control for Multilevel Inverter 多电平变频器无速度传感器直接转矩控制的研究
Research of Vector Control of Speed Regulation System Based on Cascade Multilevel Inverter 级联型多电平变换器调速系统矢量控制的研究
Design of Speed Sensorless Inverter Based on Neural Network for AC Motor 基于神经网络的无速度传感器变频器设计
The application of frequency converter in powder dryer system based on variable frequency speed control of powder inverter, powder ventilator and smoke ventilator are presented in the paper. 以返料机、料机和排烟机变频调速为例,介绍变频器在粉料干燥系统中的应用。
High speed dual inverter to control the current wave form, very high arc stableability, high quality AC square wave, decrease the welding cost and increase the weld quality. 双重逆变高速控制电流波形,电弧稳定性极高,高品质矩形交流波,降低焊接成本,提高焊缝质量。
Fault Analyzing and Preventing Measures of Adjusting Speed Inverter 变频调速器的常见故障分析和预防措施
Speed regulation of vector inverter drive system implemented by multi-control strategies 用多种控制策略实现矢量变频调速系统的速度调节
Analysis of Speed Sensor-less Inverter Vector Control 变频器无速度传感器矢量控制的分析
This paper introduces the newspaper conveyer system based on the Siemens VC Inverter, briefly introduces the Inverter Adjustable Speed Technique and the Inverter, including the structure, principle and characteristics of the Inverter. 本文以西门子6SE70矢量型变频器在报纸生产输送线中的应用为例,简要介绍了变频调速技术的原理和控制方式,具体阐述了变频器的结构组成、工作原理和性能特点。
The low speed efficiency of pump-control-motor speed governing system with inverter is obviously reduced when setting low frequency compensation. 设定低频补偿功能会较大幅度地降低变频泵控马达调速系统低速段的效率。
The test shows that the vector control speed system has low inverter power, high power factor, perfect dynamic performance, wide speed range. It suits the variable speed system of fan machine and pump and has good prospect on industry application. 试验证明调速系统具有变频器功率小、功率因数高、动态性能好、调速范围广等优点,适用于风机、泵类负载的调速,有良好的工业应用前景。
Research on Variable Frequency Speed Regulating AC System Based on Three-level Inverter 基于三电平逆变器的交流变频调速系统的研究
The application of speed dead circulation control in Delta inverter of VFD-B series for automatic spray-painting equipment was discussed. 介绍了台达VFD-B系列变频器的速度死循环控制在自动喷涂设备上的应用。
Exchanging Circuit Process Analysis of High Power Factor Cascade Speed Control Systems Equivalent Circuit and Inverter 一种高功率因数串级调速系统等效电路及逆变器换流过程分析
Study On the DSP-Based adjustable Speed System of Three-level Inverter with Space Vector PWM 基于DSP的三电平空间矢量PWM逆变器调速系统研究
Simulation Study for the Design of Variable Frequency Adjustable Speed System Fed by Current Source Inverter 电流型变频调速系统设计的仿真研究
Energy saving experiment research on pump-control-motor speed governing system with inverter 变频泵控马达调速系统节能实验研究制冷空调系统节能技术与管理
Energy-saving principle about pump-control-motor speed governing system with inverter is elucidated. Power saving rate is proposed. 阐明了交流变频泵控马达调速系统的节能原理,提出了功率节省率的概念。
The Dual Closed Loop Control of Speed and Rotor Current for Variable Frequency Regulating Speed System Consisting of General Inverter 通用变频器组成的转速、转子电流双闭环控制变频调速系统
The control system of industrial computer control inverter and frequency conversion variable speed motors through polymerizing-kettle control inverter control, and it can collect real-time test data of big motor output torque, pick spike roller or skinning and roll speed feeding speed. 工控机分别控制两个变频器以实现大、小电动机调速,并实时采集大电动机输出扭矩、摘穗辊或剥皮辊转速以及植株喂入速度等试验数据。
The control system adopts the fuzzy PID control methods based on the PLC, and adjust fan speed through the inverter to lower the power consumption of the pneumatic dedusting system. 本控制系统采用基于PLC的模糊PID控制方法,并通过变频器调整风机转速,实现了除尘系统的低耗运转。
The system can run real-time monitoring parameters such as: motor current, motor speed, inverter operating frequency and so on. 该系统能够实时监控带式输送机的运行参数如,电机电流、电机转速、变频器运行频率等。
Variable frequency speed system of synchronous motor with AC-DC-AC inverter is a major area in the development of high-power AC drive system because of its high power density, low harmonic pollution as well as control-performance. 同步电机交直交调速系统拥有功率密度大、谐波污染小、控制性能理想等方面的诸多优点。
Experimental results show that the inverter prototype achieves satisfactory performance. And the research has built stable base for the industrialization of the high-performance speed sensorless vector control inverter. 实验结果证明了所研制变频器样机具有较好的性能指标,本设计为实现高性能无速度传感器矢量控制变频器的产品化打下了坚实的基础。
The design method of the adaptive filter with adjustable inductor used at the inverter output side is proposed when the motor runs at higher speed with 6-pulse switching mode inverter. 对于高速电机运行在高速域采用6脉冲开关模式逆变器时,提出了在变频器的输出端采用可调电感的自适应滤波器的设计方法。
In electromechanics, the power of square torque load is in proportion to the cube of its speed. Thus, the using of inverter to decrease motor speed can achieve big energy saving while the need of air flow is decreased. 由电机学可知,平方负载所需功率与速度的三次方成正比,当系统所需风量减小时,利用变频器通过降低转速的方式来调节风量、可以大幅度地实现节能降耗。
Inverter are mainly used of speed adjustment for inverter AC motor ( induction motor or synchronous motor) which are also recognized as the best and the most promising tools for the governor. 变频器主要用于交流电动机(异步电机或同步电机)转速的调节,是公认的交流电动机最理想、最有前途的调速工具。
For the reason of great energy saving effect and smooth speed control characteristic, vector-controlled inverter has attracted more and more attention. 矢量变频器因其显著的节能效果和平滑的调速性能,备受科技工作者关注。