high-power drill 中文意思是什麼
high-power drill
解釋
大功率電力驅動-
We developed the power system of electric drill based on dc - ac. the system use the technique of spwm frequency cowersation control. it changed th d. c provided by trolly wire of d. c motor into stable a. c adopted igbt and driving circuit adopted high speed module of exb840
針對當前我國煤礦電鉆電源的使用現狀,提出研製dc - ac變換的電鉆電源系統,該電源系統直接利用spwm變頻控制技術,將井下直流電機車的架空線所提供的直流電轉變成頻率是50hz的1 . 27v的穩定交流電。 -
A single high power led with integrated aluminum pcb for heat conduction. drill holes available for screw mounting. options including led power levels, colors and color temperature ( for white led )
單顆超高亮度led ,加上散熱鋁基pcb板及螺旋固定孔,方便整合入各式產品之優質光源模組。
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