This paper completed the layout and design of condenser pump using VFDs.
本文完成了凝结水泵变频调速系统规划设计。
So, when you use a lot of VFDs, you really should look at the total harmonic content.
所以，如果你采用了大量的变频器，就确实需要查看一下谐波电流的总量。
So our VFDs have been able to ride through these outages, as long as we keep the control power active.
他说到，“所以只要保持控制电源有电，我们的变频器就能够在停电时维持运转。”
The product line ranges from 8x2 to 40x4 character LCDs, 20x2 and 20x4 VFDs, plus a 240x64 graphic LC (128x128 on the way).
这条生产线的范围包括了8x2到40x4 的字符LCDs、20x2和 20x4 的VFD加上 240x64图形LC（128x128 还在生产之中）。
The product line ranges from 8x2 to 40x4 character LCDs, 20x2 and 20x4 VFDs, plus a 240x64 graphic LC (128x128 on the way).
这条生产线的范围包括了8x2到40x4 的字符LCDs、20x2和 20x4 的VFD加上 240x64图形LC（128x128 还在生产之中）。
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