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Selection of internal cabinet fan for electric cabinet
Click rate: Release time:2020-04-27 Information sources:本站

There are certain rules and matters needing attention in the installation of various components inside the electric cabinet. We need to pay attention to avoid in the normal course of work. In this article, we will talk about the matters needing attention of the cooling fan.

The choice of fan in the electric control cabinet mainly considers the normal working temperature inside the cabinet, the highest ambient temperature outside the cabinet, obtains a temperature difference, the fan's air exchange rate, and estimates the air capacity inside the cabinet. After three data are known: temperature difference, air exchange rate and air capacity, the time of air replacement in the cabinet is calculated, and then the actual air exchange rate is calculated through the temperature difference. To select the actual fan. Because general night, the temperature drops, reason can produce condensate water, attach on the circuit board inside the cabinet, need to choose corresponding anticondensing heater so as to maintain the temperature inside the cabinet.
According to the protection level of the equipment in the control cabinet, the dustproof and moisture-proof functions of the control cabinet need to be considered. The equipment generally used is mainly: air conditioning, fans, heat exchangers, and anti-condensation heaters. At the same time according to the size of the cabinet appropriate choice of different power equipment