Standard transformer can only operate at the rating capacity without the cooling fan, while each transformer may be installed with an extra cooling fan to increase the output capacity.
每台产品上均可加装风机增大变压器容量输出，不装风机的变压器能在额定容量下连续运行。
Sometimes, this increase can overcome the static pressure rating of the fan motor and reduce the volume of air through the unit.
有时候，这种增量可以克服风扇电机的静态压力，并减少系统中空气的容量。
Analyses the lowest rating hailer efficiency, the area of heat - supply service and the arrangement of forced draft fan and induced draft fan. The suggestions are advanced.
对节能标准中锅炉最低设计效率，最小供热面积和鼓引风机的配置进行了分析，并提出了建议。
Analyses the lowest rating hailer efficiency, the area of heat - supply service and the arrangement of forced draft fan and induced draft fan. The suggestions are advanced.
对节能标准中锅炉最低设计效率，最小供热面积和鼓引风机的配置进行了分析，并提出了建议。
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