自关断功率半导体器件在步进电机电源、交流变频电源等电子线路中应用广泛，而烧管子问题严重影响自关断器件工作的可靠性。
Automatic shutoff power semiconductor widely applied in electric circuit such as SM's power, ac variable-frequency power etc. But burning tube often affected its reliability.
飞机变速恒频电源系统的主要部件有无刷交流变频发电机、变换器和控制器。
The main parts of the aircraft VSCF electrical power system consist of the no-brush AC variable frequency generator, converter and controller.
把工频电源(50hz)交流变成任意频率、任意电压的逆变装置称为变频器。
The power frequency (50hz) into the exchange of arbitrary frequency, arbitrary voltage inverter device known as the inverter.
把工频电源(50hz)交流变成任意频率、任意电压的逆变装置称为变频器。
The power frequency (50hz) into the exchange of arbitrary frequency, arbitrary voltage inverter device known as the inverter.
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