常見例句PWM microelectronic c ontrol technique and AC DC AC DC invert technique with MOSFET half bri... 具有短接限流、限時衰減和恒流、恒壓相結(jié)郃的特點。In the system,Intel 80C196MC is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter. 該系統(tǒng)以80C196MC爲控制核心，採用IPM智能功率模塊爲功率元件，組成了交?直?交電壓型逆變器主廻路。Automatic exchange for DC and AC supply. 直流電源與交流供電能自動轉(zhuǎn)換。What is the output voltage of you system? DC or AC? 您要求系統(tǒng)的輸出電壓多少，直流還是交流?B:These are for one hundred volts,AC and DC. 這些適用一百伏特的電壓，交流電和直流電都可以。A rectifier is a device which changes AC to DC. 整流器是一種將交流電轉(zhuǎn)變爲直流電的裝置。 返回 DC-AC