4 Points To Ponder About When Choosing A Ups}

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4 Points to Ponder About When Choosing a UPS



When it comes to choosing the right uninterrupted power supply (UPS), there is a lot of confusion regarding the zeroing in on the right one. How to select the right one? What is the criteria to select the right one? Here we are going to discuss the parameters you may want to consider while selecting a UPS.

1. Requirement:

The first question you need to ask yourself before you select a UPS is: what is the requirement? Or what equipment are you going to connect to so it gets uninterrupted power supply? A UPS system for a home computer or a small system will require a smaller UPS. There is no point in spending too much money and space on a huge UPS when you need to draw only a small amount of power. A larger set up such as a large or medium scale data center or industrial setup will need a larger UPS or many large UPS, because loss of power in such setups can mean a huge loss of revenue in business.

There are also Network UPS systems suppliers who supply UPSs targeted towards managing power supply toward networking devices such as LAN and WAN servers and so on. Power UPS systems are for the large scale devices where it is totally unacceptable to have power cuts/ Therefore, before you select an UPS capacity and load, you must select the right UPS for the right purpose.

2. Capacity:

This is the second crucial factor you must consider before you finalise a UPS. There are two ways of representing an UPS: Wattage (W) and Voltage-Amperes (VA). In case of alternating current, they are not the same. The relationship between them is

Watts = Volts x Amperes x power factor

Where Power factor is ratio between Real power and apparent power. So that means Watts is the real power and Volt-Ampere is the apparent power. What is important to understand if that the value of Power factor is hardly ever 1.0. Most of them come with a value of 0.8. So a 1000 VA or 1 kVA UPS can deliver only about 800 W of power. With the advancements in technology, today’s UPS’ offer a power factor of 0.9. Going by that, to select the right size of the UPS, select the highest data center load and add some buffer to it. Then pick the next standard-size UPS.

3. Load:

Now that we have calculated the capacity of the UPS and are aware of the logic behind it, we should also consider the amount of load our intended UPS is going to take. It would be colossal waste of energy and money if a high load UPS works on low loads.

4. Future plans:

So, to avoid the discrepancy between the actual load and intended load, it is recommended to use modular UPS. Modular UPS systems are the latest trends in UPS where only a portion of the capacity is used till more is required. As and when there is need for higher supply of power, the extra capacity is activated via software or firmware. And although this service is chargeable, it is good investment because it saves energy and avoids incessant expenditure on UPS. Therefore, modular UPS allow for scalability in growing businesses.

Selecting the right UPS for the right purpose goes a long way towards ensuring optimum performance of the devices operating alongside the UPS – it saves energy, money and protects the device and the UPS from harm.

I have been into industrial equipments for years. So can’t keep myself from sharing the knowledge. More such articles on


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This entry was posted on Wednesday, June 14th, 2017 at 3:27 am and is filed under Networkings Solutions. You can follow any responses to this entry through the RSS 2.0 feed. Responses are currently closed, but you can trackback from your own site.

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