Design of variable - voltage variable - frequency inverter based on dsp 變頻空調(diào)用新型高性能開關(guān)電源的設(shè)計(jì)
Variable - voltage regulator 可變電壓調(diào)節(jié)器
Variable - voltage transformer 可調(diào)變壓器
Research and application of a new type scb initiator with variable - voltage output 新型可調(diào)電壓半導(dǎo)體橋起爆裝置的研制與應(yīng)用
Application of variable - voltage adsorption nitrogen - preparation unit in fire prevention and extinguishing in coal mine 變壓吸附制氮機(jī)在煤礦井下防滅火中的應(yīng)用
In order to implement an energy - saving method which keeps iron loss equal to copper loss using variable - voltage in light load , induction motor parameter identification at any moment is a key problem 對(duì)于輕載調(diào)壓使銅損等于鐵損的這一節(jié)能方法而言,在線辨識(shí)出電機(jī)的參數(shù)是一個(gè)關(guān)鍵點(diǎn)。
This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load , compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method , that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly . in addition , the directness * , simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab . the circuit of the general inverter based on the tms320f240 dsp was used in this paper , and the practicable program was compiled 本文分析了異步電動(dòng)機(jī)輕載時(shí)降壓節(jié)能運(yùn)行的原理,對(duì)幾種提高效率的方案進(jìn)行了比較,確定了通過直接檢測(cè)電動(dòng)機(jī)鐵損和銅損來實(shí)時(shí)調(diào)節(jié)輸入電壓以達(dá)到高效節(jié)能目的的控制方法,應(yīng)用matlab軟件對(duì)系統(tǒng)進(jìn)行仿真,在基于tms320f240dsp的通用型變頻器上編制了實(shí)用化的程序,形成了完整的樣機(jī),對(duì)其進(jìn)行了測(cè)試,并給出了試驗(yàn)結(jié)果。