变频器例行试验中的功率考核技术研究 关键词：IGBT；变频技术；功率考核；质量 [gap=647]Key words：IGBT；variable frequency technology；power test；quality
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智能化应用变频器提升节电效率-机电之家网变频器技术网 关键字 变频调速；智能化；谐波治理；功率因数 [gap=513]Keywords variable frequency technology；intelligent；harmonic governance；power factor
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variable velocity variable frequency technology 变频调速技术
digital control variable frequency technology 数控变频技术
high voltage variable frequency technology 高压变频技术
variable voltage-variable frequency technology 变频调速技术
Variable Frequency Control Technology 变频控制技术
variable-frequency speed control technology 变频调速技术
variable-speed constant-frequency technology 变速恒频技术
In view of the problems of traditional operating of a ventilator,the paper design a control system based on Variable Frequency technology,and analyze the scheme.
本文针对传统的风机运行方式的缺点,提出了一种基于变频技术的通风控制系统设计方案,并对方案进行了分析。
参考来源 - 一种基于变频技术的教学实验室通风控制系统的设计·2,447,543篇论文数据，部分数据来源于NoteExpress
At last, the variable frequency technology for LOX loading pump is presented.
最后介绍了用现代变频器实现加注泵调速的技术。
A two-stage compression variable frequency air source heat pump (TV-ASHP) has been developed combining variable frequency technology with two-stage compression cycle.
将双级压缩和变频技术有机结合，提出一种适用于寒冷地区双级压缩变频空气源热泵系统。
From the viewpoint of energy saving, the application of variable frequency technology in the secondary pump system was expounded and the energy consumption of variable frequency pump was analyzed.
从节能的角度，阐述了变频技术在二次泵变水量系统中的应用，对变频水泵的能耗进行了分析。
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