变频电源是将市电中的交流电经过AC→DC→AC变换, 输出为纯净的正弦波,输出频率和电压 一定范围内可调。它有别于用于电机调速用的变频调速控制器,也有别于普通交流稳压电源。理想的交流电源的特点是频率稳定、电压稳定、内阻等于零、电压波形为纯正弦波(无失真)。变频电源十分接近于理想交流电源,因此,先进发达国家越来越多地将变频电源用作标准供电电源,以便为用电器提供最优良的供电环境,便于客观考核用电器的技术性能。变频电源主要有二大种类:线性放大型和SPWM开关型。
一种简单的离心机变频电源设计_电源技术_技术资料_元器件交易网 关键词: 脉宽调制;变频电源;SA8281;IR2110 [gap=712]Keywords: PDM ; Variable-frequency power sources;SA8281;IR2110
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变频电源在异步电机叠频法温升试验中的应用-机电之家网变频器技术网 关键字 变频电源;叠频;温升试验 [gap=612]Keywords variable frequency power supply;mixed-frequency;temperature rise test
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... 励磁变压器exciter trnsformer 变频电源variable frequency source 品质因数quality factor ...
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交流变频电源 AC POWER SOURCE ; IUXPOWER
多功能变频电源 Multi-frequency power ; Multi-function variable frequency power supply
静变频电源 Static frequency change power supply
可程式变频电源 PROGRAMMBLE AC POWER SOURCE
中频变频电源 min-frequency frequency conversion power supply
系列变频电源 VF
源变频电源 AC POWER SOURCE
交-交变频电源 AC-AC frequency convertor
Secondly, a new special inverter that is reliable and well performance is designed to power the motor. SPWM theory is applied and the circuit is well designed.
其次:设计了一台性能优良、可靠的变频电源。
参考来源 - 基于改进禁忌搜索算法的两相电机设计及变频电源的研制·2,447,543篇论文数据,部分数据来源于NoteExpress
IGPS变频电源,电器性能稳定,节能省电。
IGPS frequency conversion power, Steady electric function, saving the energy and power.
此方案成功地应用于变电站接地电阻测量变频电源控制电路中。
This project is applied to the control circuit of the frequency converter power source of for measuring ground resistance in an electric substation.
讨论了变频电源输入电压的非正弦对测功电机的性能影响,提出改善不利影响的措施。
In this paper, the functional influence of input voltage non-sine of Varible-frequency voltage source on Electric Power Dynamometer motor discussed. and methods of improving them were also given.
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