VFDS的翻译

VFDS

网络变频驱动系统；视觉型火灾侦测系统；变频启动

英文例句/中文翻译：

1、

There are many types of main circuit for high voltage VFDs, mainly are current source type, 3-level PWM type with clamped neutrals, unit series multi-level type and multi-level together with multi-layer type.

高压变频器主电路拓扑结构形式有多种，主要有电流源型变频器、中性点钳位三电平PWM变频器、单元串联多电平变频器、多电平+多重化变频器等。

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2、

The vacuum fluorescent displays ( VFDs) consist of cathode, grid and anode coated with phosphor, which are developed based on the vacuum electronic tubes.

真空荧光显示屏是从由阴极、栅极和表面涂有荧光粉的阳极真空电子管发展而来的。

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3、

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。

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