必应词典为您提供Constant-Voltage-Constant-Frequency的释义,网络释义: 恒压恒频;恒压恒频变流电路;定频率;
变频器的工作原理变频器的主要任务就是把恒压恒频(constant voltage constant frequency,CVCF)的交流电转换为变压变频(variable voltage variable frequency,VVVF)的交流电,以满足交流电机变频调速的需要。从结构上分,变频器可以分为交-交变频器(亦称直接变频器)和交-直-交变频器(亦称间接变频器)。 相关知识点: 试题...
CONSTITUTION:A constant-voltage constant-frequency device has a main circuit in which a chopper 1, an inverter 2 for converting to a constant-frequency AC power, and a filter 3 are connected in cascade, a connection controller 4 for controlling 180 deg. continuous conduction of flowing angle ...
The output characteristics of the bridge circuit which supplied withconstant voltagesource are analysed. 分析了恒压源供电下的桥路输出特性以及影响电桥电压灵敏度的各种因素. 互联网 This paper focuses on voltage regulation strategies of 400 Hz CVCF (Constant VoltageConstant Frequency ) inverter. ...
frequency n. 1.[C,U]发生率,出现率,重复率 2.[U]频繁 3.[C,U]频率 constant current 直流 non constant 不恒定 constant voltage 【电】 恒压 constant scanning 等速扫描 radio frequency n.无线电频率 frequency changer 变频机,变频器 ride frequency 舒适性频率 frequency time intensity 【...
CVCF恒电压,恒频率(ConstantVoltageandCongstantFrequency)的缩写A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
PURPOSE:To decrease the variation of output frequency even to the transient variation of load by limiting load current changing rate detecting signals given to a governor controller within a predetermined range. CONSTITUTION:An automatic voltage regulator 4 controls currents flowing through controlling wind...
5) constant pressure frequency conversion 恒压变频6) variable voltage constant frequency 变压恒频补充资料:恒压热容 分子式:CAS号:性质:在一定温度和压力下,体系(物系)温度每升高1℃所吸的热,称为该温度、压力下此体系的热容,用符号C表示。C值可正、可负,也可为零。一般情况下,升温过程不同,吸热数量...
frequency n. 1.[C,U]发生率,出现率,重复率 2.[U]频繁 3.[C,U]频率 constant current 直流 non constant 不恒定 constant voltage 【电】 恒压 constant scanning 等速扫描 radio frequency n.无线电频率 frequency changer 变频机,变频器 ride frequency 舒适性频率 frequency time intensity 【...
1)constant frequency恒频 1.A model of marine power generating system with variable speedconstant frequency/voltage(VSCFCV)is presented.建立一种变速恒频恒压发电系统模型,此发电系统适用于采用电力推进的船舶。 2.This paper introduces a novelconstant frequencyswitching PWM converter,as well as some improv...