The operation characteristics and the limitations under high condition of hps lamps are described . according to these , a new low frequency invert circuit is designed based on current - track in this paper 針對高壓鈉燈的穩(wěn)態(tài)運行特點以及工作在高頻狀態(tài)下的缺陷,本文設(shè)計了一種低頻的電子鎮(zhèn)流器逆變電路。
This paper has designed a inverter power supply of volume 2kva , working frequency 20khz . , based on that has analyzed the characteristic of igbt ( insulated gate bipolar transistor ) . it was provided the working theory of dc voltage circuit and bridge type invert circuit 本文在分析了igbt (絕緣柵雙極晶體管)特性的基礎(chǔ)上,設(shè)計了一臺容量為2kva 、頻率為20khz的高頻逆變電源。
A system with repmsm ( rare earth permanent magnet synchro - nous motor ) as executing motor is presented in this thesis . the hardware platform for the ac speed regulating system is based on tms320f240 dsp controller and uses ipm ( intelligent power model ) as the power device in the invert circuit 系統(tǒng)選用正弦波永磁同步電動機為執(zhí)行電機,以ti公司的tms320f240dsp芯片為控制核心,以智能功率模塊( ipm )為逆變電路功率開關(guān)器件,構(gòu)成交流調(diào)速系統(tǒng)的硬件平臺。