文章提出了一种新的斜墙式半横向通风方式和风机反转制动消防技术以及它们在火灾时的作用。
The paper introduces a new semi-transverse ventilation system with oblique walls, a fire control technique with ventilator braked by reversal operation and their functions in the fire control.
目前，大约有60条薄板坯生产线已经或正在计划投入运行，其中大约一半装备了电磁制动。
At present, some 60 thin slab strands are in operation or scheduled worldwide, of which about half have been equipped with EMBRs.
根据永磁无刷电动机制动过程PWM控制的开关管的方式不同，可以分为半桥调制制动方式和全桥调制制动方式。
According to the different PWM module in regeneration of brushless PM motor, there are two kinds of modulation, half bridge modulation and whole bridge modulation.
根据永磁无刷电动机制动过程PWM控制的开关管的方式不同，可以分为半桥调制制动方式和全桥调制制动方式。
According to the different PWM module in regeneration of brushless PM motor, there are two kinds of modulation, half bridge modulation and whole bridge modulation.
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