5 Temperature Control Solutions for an Electrical Enclosure

Temperature control is a crucial element in the design of enclosures for electrical equipment. Since manufacturers design electrical equipment to work within a specific temperature range, the heat they dissipate during normal operation has to be removed to avoid damaging equipment. High temperature directly affects the reliability and life of electrical equipment. Manufacturers claim that a 10 °C increase of temperature above the maximum allowable temperature cuts device lifespan in half. The consequences are increased downtime, frequent maintenance cycles and a high expenditure. These are some commonly used temperature control solutions employed in the industry:

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How Temperature Control in Electrical Enclosures Affects Component Life

The debate about enclosure cooling is sometimes biased by traditional views that electro-mechanical equipment can withstand relatively high temperatures. This perception doesn't consider the effect high temperature has on the service life of modern electrical and electronic equipment. The reality is that most industrial electrical equipment is not designed for the peak temperatures frequently reached inside enclosures during hot weather or in hot industrial environments. This often leads to premature failure.

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5 Ways to Find Electrical Enclosure Cooling Manufacturers

The process of finding manufacturers for your products these days is not half as complicated as it used to be. It is no longer necessary to flip through the pages of a local directory or the Yellow Pages to find an electrical enclosure cooling manufacturer. With the power of the internet, you have access to a wealth of information; you just need to know what your enclosure cooling needs are and how to look.

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What to Look for in Industrial Cabinet Air Conditioners

Cabinet air conditioners can have a tremendous impact on the performance, efficiency and overall lifespan of the electrical equipment inside your enclosure. In addition, efficient air conditioning can save energy and decrease utility bills for your electrical equipment. Enclosure cooling is commonly an afterthought in design but integrating the right air conditioner in your enclosure can prove to be an asset for your business. Different factors need to be considered before choosing a cabinet air conditioner for industrial applications.

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Common Mistakes When Purchasing a Cabinet Cooling Fan

A cooling fan is the most economical choice for temperature regulation inside an electrical enclosure with moderate ambient temperatures and limited humidity. The costs of procuring an enclosure cooling fan and running one are an order of magnitude lower than those associated with air conditioners. However, the process of selecting the right type of cabinet cooling fan for your requirements can be tricky. If you have not had experience using cooling fans before, these are the common mistakes to avoid.

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Why BTU/H Calculations Are Essential in Enclosure AC Selection

With the increasing application of electronics in instrumentation and control systems, the onus is on the enclosure air conditioner to maintain the proper temperature for normal operation of the components. True to Moore’s prediction, the number of transistors per square inch in electronic boards has doubled each year, not just increasing their capacity but also the heat that has to be dissipated. For equipment such as transformers, variable frequency drives and switching power supplies, there exists a general operating temperature range as described by the manufacturer specifications over which the life of the component starts to deteriorate. Many electrical drives are rated for operation at about 35 °C; for every 10 °C increase in temperature, the life of the equipment halves in value. If you want to prolong the life of your valuable electrical equipment, it is critical that you choose an AC for your enclosure that can handle its total heat load.

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Increase Enclosure Air Conditioner Filter Capacity 400% in Dusty Environments

Enclosure air conditioners rely on an adequate flow of air over the condenser coils to cool and condense hot refrigerant gas prior to its expansion through the evaporator. If the air flow is restricted because of blocked air filters, the condenser temperature increases, reducing the efficiency of the air conditioner. In extreme cases this leads to excessively high condenser temperatures and pressures, causing the compressor to trip.

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What Features Should You Look for in an Air to Air Heat Exchanger?

An air to air heat exchanger will provide efficient closed-loop enclosure cooling at a fraction of the cost of an enclosure air conditioner. It's an ideal solution for low and medium heat loads where it's necessary to use a sealed enclosure to protect equipment from dust, dirt, and pollution.

Before purchasing an enclosure air to air heat exchanger or a similar closed-loop cooling product, here are some key features you should consider.

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Will a Cabinet Cooling Fan Cut It with High Ambient Air Temperatures?

 

Cooling fans are a simple and efficient way of cooling electrical cabinets. They are robust, inexpensive and, provided the heat load is not excessive, effective. An important characteristic of fan cooling is the temperature difference between the enclosure air and the ambient air because this is an important factor in determining the amount of heat that can be removed.

High ambient air temperatures impose certain constraints that limit the effectiveness of cabinet cooling fans, and their use needs to be carefully evaluated. Several aspects should be considered.

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5 Things to Look for in an Electrical Enclosure Cooling Manufacturer

 

Unplanned downtime of an enclosure cooler can lead to outages and lost production, so it's important to verify that enclosure cooling suppliers have got what it takes to keep equipment running efficiently. Here are five things to look for in an enclosure cooling manufacturer.

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