The AC Frequency Analysis of Circuit Based on EWB5.0V.
基于EWB5.0V。电子工作平台的电路交流频率分析。
Large content hydroelectricity set should use AC-AC frequency converter.
大容量水电机组宜采用交-交变频器。
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。
AC frequency conversion speed regulate technology is a new technology in the 80s, 20th century.
交流变频调速技术是20世纪80年代兴起的一种新型技术。
At present, the major application trend of servo system is AC frequency conversion servo system.
变频交流伺服系统是目前伺服系统应用的主要趋势。
Fuzzy control hardwares have been designed using AC frequency conversion technology for household refrigerators.
设计了具有交流变频技术的家用电冰箱模糊控制器硬件。
This technique has highly practical value and has been applied to the AC-AC frequency conversion display system.
该技术具有较高的实用性并已经用于交交变频显示系统中。
This technique is of highly practical value and has been applied to the AC-AC frequency conversion display system.
该技术具有较好的实用性并已经用于交-交变频器的显示系统中。
A synchronized towing system with constant tension composed of AC Frequency conversion speed regulator is introduced.
本文介绍一种由交流变频调速器构成的恒张力同步拖动系统，应用于圆筒针织物冷轧堆设备上。
The method of AC frequency-converting speed-governing of spinning screw was introduced in stead of DC speed-governing method.
介绍在纺丝螺杆挤压机的调速方法中，用交流变频调速代替直流调速。
If the load to change the speed of change, with the ac frequency speed not enough to pace disorders, tend to stop or cause damage.
倘若负载改变而使转速改变时，转速即与交流电频率不合，足使其步调紊乱，趋于停止或引起损坏。
This paper describes an AC frequency conversion servo system which is composed of single chip and converter and designs a digital PID adjuster.
介绍了应用单片机和变频器组成的数字式变频交流伺服系统及数字PID调节器设计。
It adopts axle center type gas top, AC frequency speed adjusting, frequency conversion, DC direct current speed adjusting and electromagnetic braking.
为轴心式气顶、AC变频调速变频刹车DC直流调速、电磁制动。
The paper thoroughly introduces the ac-ac frequency converter in driving system of asynchronous motor for underground coal mine explosion-proof winder.
本文对一种用于煤矿井下防爆绞车驱动的交交变频器——鼠笼式异步电机传动系统做了全面的介绍。
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 serious events of 1150 blooming mill main drive system driven by two AC-AC frequency conversion motors in recent year has been paid close attention to.
近年来，我国两台引进的交交变频电动机驱动的1150初轧机主传动系统出现的恶性事故引起了人们的关注。
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。
This paper presents a case study, demonstrating the necessity of applying AC frequency conversion speed transmission technology in electric-wheeled self-dumping trucks.
文章阐述了交流变频技术用于电动轮自卸车中的必要性，并例举了应用实例。
The system that this paper introduces has mainly completed the SVM arithmetic realized by the DSP TMS320LF2402 and the application in the AC frequency conversion system.
本文介绍的系统主要完成了用DSPTMS320LF2402实现一种空间矢量算法及其在交流变频控制系统上的应用。
To introduce the application of fully digital AC frequency converter in the stainless steel cut to length line, describe its configuration, functions and control features.
介绍全数字交流变频调速装置在不锈钢横切生产线上的应用，说明其基本配置、功能和控制特点。
Changing the speed of electric motor by using ac frequency conversion is to regulate output flow of hydraulic pump to control the velocity of the motion of hydraulic actuator.
通过交流变频调速改变电机的转速来调节液压泵的输出流量。控制液压执行元件的运动速度。
ALC can be connected; revolution, speed and pressure can be adjusted by touchable screen and PLC program as required. Can be driven by ac frequency conversion electric machine.
根据用户要求，可与ALC(频率监控仪)的连接，可以采用触摸屏与PLC程序控制，可以采用交流变频电机驱动。
AC frequency conversion synchronous film feeding and collecting device is adopted. The overhead large working table is provided to widen the visual field with high automation degree.
采用AC变频同放收膜装置，设有高架大平工作台，视野开阔，自动化程序高。
The all-digital ac frequency conversion control system based on the common DC bus can meet the requirements of high speed and high reliable control performance of the high-speed paper machine.
这种基于公共直流母线的全数字交流变频控制系统适用于高速纸机的高速度、高可靠性控制性能的需要。
The paper introduced the AC frequency converted speed controlled driving system of the mine battery locomotive. The driving system has a direct torque control strategy with a non speed sensor.
文章介绍了一种矿用蓄电池电机车的交流变频调速传动系统，采用无速度传感器的直接转矩控制策略。
Portal crane sub frame and four-link arm two types, from the crane hoisting, luffing, slewing and walking four agencies ac frequency control, the machine USES PLC control, superior performance.
门座式起重机分单臂架和四连杆两种类型，起重机的起升、变幅、回转和行走四大机构均采用交流变频调速，整机采用PLC控制，使用性能优越。
Against the heavy equipment load and complex operations characteristic, the spindle used vector control technology of ac frequency speed control; the car used advanced ac servo control technology.
针对该设备负载大、运行情况复杂等特点，主轴采用了交流变频调速矢量控制技术，小车采用了先进的交流伺服控制技术。
Based on the study of ac frequency conversion power system, research is made on how to control and reduce drilling accidents in working procedure. An effective new way to safe drilling is provided.
摘要在对钻机交流变频调速动力系统的研究基础上，对该动力系统在钻探过程中如何控制和减少钻探事故的发生方面做了些探索，为安全钻探提供了一条有效的新途径。
Through application of frequency converter in constant pressure water supply system, the paper describes the economic feature and advantages of adopting AC frequency conversion speed control method.
通过变频器在恒压供水系统中的应用，阐述了采用交流变频调速控制方案的经济性和优越性。
An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase.
模拟信号由直流和交流分量、频率和相位四部分组成。
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