另外，可以向用户能够提供一种升级容易的功率变换装置。
Furthermore, a user can be provided with a power converter which can be upgraded easily.
新加入的是直流路网中用斩波器和中间电路电压可调的功率变换装置。
Major innovation is the power conversion with chopper and controlled converter DC-link in direct current networks.
高电压小功率DC - DC电源变换装置，是一种利用低压直流电源产生高电压的电源装置。
High voltage low power DC-DC converter is designed for converting low voltage DC current into high voltage one.
电流型四象限变流器是一种脉冲宽度调制的交直流变换装置，具有功率因数高、谐波电流小、再生方便等优点。
Currcnt-type four quadrant converter is an AC-DC converting device with pulse width modulation, whose advantages are high power factor, low harmonic current and convenient regeneration etc.
电流型四象限变流器是一种脉冲宽度调制的交直流变换装置，具有功率因数高、谐波电流小、再生方便等优点。
Currcnt-type four quadrant converter is an AC-DC converting device with pulse width modulation, whose advantages are high power factor, low harmonic current and convenient regeneration etc.
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