
现在启程登上通往未来的航班,乘坐碳排放更低的 Ampaire 混合动力飞机
Ampaire 正在开发将引领行业走向全电动未来的混合型电动飞机,实现零碳排放和更绿色的未来。
Industrial solutions and case studies
Case study: Weaving loom
Weaving looms take spun cotton yarns and combine them into a woven fabric. Loom manufacturers are looking for ways of reducing the size and cost of their equipment while improving equipment flexibility, allowing end-users to make quick changes to the cloth’s weight, pattern and style. The key goals were:
Typically hold-up and smoothing of the rectified 3-phase AC input is provided by a large bulk capacitor. By following the rectifier with a wide input range DCM DC-DC converter, this hold-up capacitor was completely eliminated, saving both bulk and cost. Stepper motors require the DC supply to source large pulses of current. A DCM can support large capacitive loads at its output and this capacitor reduced the peak current demands on the converter, and thus its size and cost. The capacitor provided power averaging of the high current pulses to the motor with the converter recharging the capacitor continuously between stepper motor load pulses. Key benefits were:
Wide input range DCM DC-DC converter eliminates hold-up capacitor
The power source to the loom was a 3-phase 115V AC supply, which was rectified to provide 300V DC. By following the rectifier with a wide input range DCM DC-DC converter, the hold-up capacitor was completely eliminated. To analyze this power chain, go to Vicor Whiteboard online tool.
现在启程登上通往未来的航班,乘坐碳排放更低的 Ampaire 混合动力飞机
Ampaire 正在开发将引领行业走向全电动未来的混合型电动飞机,实现零碳排放和更绿色的未来。
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