The large power AC-AC frequency-changers are used in the aircraft power source and AC speed-regulation systems to convert frequency and voltage directly.
大功率直接变频电路的基本功能是实现频率和电压的直接变换，被应用于航空电源和调速电源中。
The application of the interface technology in ac speed regulation experiment device is introduced.
并介绍了该技术在交流调速实验装置中的应用。
As the application of AC variable frequency speed regulation is widely popularized, the request of high precision and high integrality about SPWM generator becomes higher.
由于交流变频调速越来越得到广泛应用，对高精度高集成度SPWM产生器的要求也就越来越高。
Method of. modeling using the intelligent optimization algorithms is discussed for AC variable frequency speed regulation system.
针对交流变频调速系统，探讨了应用智能优化算法实验建模方法。
AC motors are usually used in modern traveling crane control system, so the technology of AC speed regulation is also adopted widely.
现代行车起重控制系统大多采用交流电机拖动，因此交流调速技术也被广泛应用。
Direct Torque control (DTC) is a AC speed regulation method with high dynamic performance developed after vector control.
针对异步电动机直接转矩控制系统低速性能差的问题，提出了两项改进措施。
The paper introduces the design of the main circuit and protection circuits of 48V/500A all-digital AC speed regulation controller.
本文介绍48V/500A全数字交流调速控制器主电路及其保护电路的设计。
The theory of AC frequency modulation for motor speed regulation technology, its applied procedure and actual effect in dedusting fan of converter are stated.
介绍了交流变频调速技术的原理、在转炉除尘风机上的实施过程和使用效果。
A speed regulation method with auto disturbance rejection controller (ADRC) for a linear direct-drive AC servo system is presented.
设计了一种基于自抗扰控制原理的永磁直线电动机调速系统。
A fully digitalized ac speed regulation system based on space vector PWM control algorithm is described in detail.
提出一种基于空间矢量pwm算法的全数字化交流调速系统。
The results show that the electric vehicle with AC drive system which adopts the vector control has the excellent performance of speed regulation.
结果表明，采用矢量控制的交流驱动电动汽车具有良好的调速性能。
Based on analysis of principle of AC motor speed adjusting through frequency converter, the system of AC motor speed remote regulation by means of MSP430 single-chip microcomputer is explained.
通过对交流电机调速以及变频器的原理分析，确定了利用单片机对交流电机实行遥控控制的方法。
Meanwhile, AC speed regulation systems have been applied widely in the paper industry because of its better performance and less maintenance.
同时，交流调速系统以其优良的性能和较少的维护等优点，在纸机电气传动控制系统中得到了广泛的应用。
The invention is a AC-AC frequency-changing stepless speed regulation device for AC motors.
本发明是一种交流电动机交交变频无级调速装置。
Research on the AC Speed Regulation Controller for Cranes Control System;
多年来用调速器控制速度是唯一控制系统频率的措施。
Research on the AC Speed Regulation Controller for Cranes Control System;
多年来用调速器控制速度是唯一控制系统频率的措施。
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