VVVF是可变电压(Variable Voltage)可变频率(Variable Frequency)之简称, 推进系统使用此模式提供牵引马达所必须的转矩(电流)和转速(频率),
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基于DSP的石油井下测试仪的设计与实现[中国电子设计网] Key words: TMS320F2812;variable frequency;perforation [gap=117]关键词 TMS320F2812;变频 ;射孔
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... variable frequency 变频 variable frequency 变频可变频率 variable gain amplifier 可变增益放大器 ...
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...变频调速;特点 [gap=677]ords: South-to-North Water Transfer;Huinanzhuang pump station;water supply;pump;variable frequency;characteristics ...
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Variable-frequency Drive 变频器 ; 变频
variable frequency speed regulation 变频调速
Variable Frequency Air-condition 变频空调
variable voltage variable frequency 变压变频 ; 变压变频调速
variable frequency speed control 变频调速
variable frequency generator [电子] 可变频率发生器 ; 变频发生器
Variable Voltage and Variable Frequency 改变电压 ; 变频技术
variable frequency regulating speed 变频调速
variable frequency generator control 可变频率发生器控制器
A new model of variable frequency experiment system, which adoptsAc asynchronous motor as analogue load, is presented in this thesis.
本文提出了一种以交流异步电机作为模拟负载的新型变频调速系统。
参考来源 - 频差控制节能型交流变频调速系统的研究In this system, the variable frequency motor is applied to meet the requirement of low speed to check the compositive error and high speed to measure the vibration.
针对检测综合误差和振动时对主轴转速的要求,采用变频电机来控制主轴转速,以满足系统对转速的要求。
参考来源 - 锥齿轮传动智能综合检测系统研究与开发·2,447,543篇论文数据,部分数据来源于NoteExpress
The variable frequency AC controller mounts directly on the AC motor.
变频空调控制器直接安装在交流电机。
So, NIRVANA can say is the only true sense have speed of variable frequency drive screw air compressor.
所以,NIRVANA可以说是目前惟一真正意义上拥有调速变频驱动的螺杆空压机。
Such as variable frequency drives can be further connected directly to the communications network or hardwired if necessary.
例如变频驱动器如果有必要的话可以直接被连在通讯网络或硬线上。
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