变频技术是一种把直流电逆变成不同频率的交流电的转换技术。它可把交流电变成直流电后再逆变成不同频率的交流电,或是把直流电变成交流电后再把交流电变成直流电。总之这一切都只有频率的变化,而没有电能的变化。
文章详细信息 关键词: 变频技术;;锅炉;;热水循环系统;;改造 [gap=316]Keywords: frequency conversion technology,boiler,hot water circulation system,renovation
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...章|91fabiao-91论文发表网 关键词:直流电机车;变频技术;改造;效果 [gap=250]Key words:DC locomotive; Inverter technology; Transformation; Effect ...
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变频技术的研究现状与发展趋势 - 电源门户网 - 设计技术 关键词: 变频技术;PWM;研究现状;发展趋势 [gap=394]Key words: Frequency conversion technique; PWM; Study status quo; Development trend
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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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数控变频技术 digital control variable frequency technology
PWM变频技术 PWM frequency-converting techniques
数字下变频技术 DDC ; digital downconverter
直接变频技术 Direct Frequency Conversion
高压变频技术 high voltage variable frequency technology
变频技术应用 frequency Change technology application
直流变频技术 technology of dc-inverter
变频调速技术 vaiahle vaiahle firequency technology ; frequency conversion technology ; variable velocity variable frequency technology ; Frequency conversion velocity modulation technology
变频变压调速技术 variable-frequence voltage technique
This paper analyzes the application of frequency conversion technology in dredger and its energy-saving principles and technical merits,it is consider that the technology is a mature technology for saving energy and can be suggested to use in the practice.
分析变频技术在工程船上的应用及其节能的原理和技术优点,认为该技术是一种节能的成熟技术,建议推广使用。
参考来源 - 变频技术在工程船舶的应用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The variable-frequency technology is to meet the needs of AC induction motor stepless speed regulating coming into being. With the development of new power electronic component and computer technology, the variable-frequency technology becomes more mature day by day.
变频技术是应交流电机无级调速的需要诞生的,随着新型电力电子器件的不断涌现和计算技术的不断发展,变频技术日臻成熟。
参考来源 - 中高压变频技术的基础研究Moreover, as the inverter technology development.
而且随着变频技术的发展。
参考来源 - 基于虚拟仪器(Ⅵ)的电力电子电容试验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
激光变频技术是激光应用的重要环节。
Laser frequency conversion is a key technology in laser application.
数字下变频技术是软件无线电中的关键技术之一。
Digital down converting is one of the key technologies of software radio.
数字下变频技术是数字化雷达接收机的关键技术之一。
Digital down - conversion (DDC) is an important technique of digitized radar receiver.
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