Filling The Military’s Power Supply Needs
Uninterruptible Power Supplies, otherwise known as UPSs, are necessary for military applications, but finding the right UPS is rarely a simply and easy task to complete. This is because most manufacturers that provide UPSs create specifications and information based on commercial applications rather than for military applications. In addition, typically only on-line topologies for UPS design meet military needs.
Understanding On-Line Topologies for UPS
On-line Uninterruptible Power Supplies are a better option available for military needs for several reason. This is because they provide a steady source of power through their design, and this power output is combined with a strict regulation on voltage output. Because the inverter receives a continuous source of UPS power, output, the voltage remains steady and stable. This is critical for military applications. In addition, with some types of UPS technology, the battery capacity is enhanced and lengthened.
Analyzing UPS Concerns and Issues
There are many concerns and issues related to using off-the-shelf UPS options in a military application. From a construction standpoint, some of the materials that are used in their construction is not durable or rugged enough for military applications. An example of this is the FR 4 laminated circuit board. In addition, mounting options are also a concern from a construction standpoint, and this is because shaking and vibrating in a military environment may be more common and severe than with other types of environments. From an environmental standpoint, the military applications may require the UPSs to be made with more advanced or sophisticated air filters and may need to withstand higher temperatures than others. Those used in a military application may need to be placed inside a special shelter that has temperature control features. There are also operational concerns when using off-the-shelf UPS products in a military environment. The input voltage specifications could impact the quality and performance of the overall UPS. Load testing may need to be conducted in advance to ensure that this is not a problem for the exact military application that the USP will be used for.
The Importance of the Output DC
When the UPS is being altered or customized for military applications, it is important to note that the output DC may need to be offset. There should be both a no load and full load connection to the UPS output. In addition, special features or adjustments may be needed to prevent the initial spike or short in power supply that occurs when the unit is initially turned on. This can result in the circuit breaker tripping, which can be a true hassle in the field. This is especially true for use with military applications.
Finding the right UPS to use for specific needs is important, and you should also note that there are several types available to choose from. More than that, if an off-the-shelf solution is not suitable for a specific environment or function, customization may be necessary. Take time to learn about the specifications and functions for each of the options before you make your final decision about how to proceed.
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