So, what is a UPS you may ask? It’s okay, it is a complicated topic, not really common knowledge, however, I am here to make sure that it is much easier for you to understand. This is the way that I had taught myself, I simplified the matter and built my understanding up from there, once you grasp the basics, it is important to then understand what they are useful for and why you should have one yourself!
What is a UPS?
An uninterruptible power supply is there to provide critical back-up power in the event of mains failure or other known power related issues (surges, sags etc.). A UPS isn’t just there to keep you on-line for a period of time to continue whatever you are doing, it is there to provide you the time you need to fix the power supply, as well as preventing any damage to equipment hooked up to the mains, it is quite literally the ‘back-up’ option.
A UPS performs the following three basic functions:
- It prevents hardware damage typically caused by surges and spikes. Many UPS models continually condition incoming power as well.
- It prevents data loss and corruption. Without a UPS, data stored on devices that are subjected to a hard system shutdown may become corrupted or even lost completely. In conjunction with power management software, a UPS can facilitate a graceful system shutdown.
- It provides availability for networks and other applications while preventing downtime. UPSs can also be paired with generators in order to give the generators sufficient time to power up in the event of a power cut.
The technical stuff you need to know
There are a few topologies of UPSs, however, there is a particular topology that Harland Simon UPS LTD, and many other companies sell, this is the Double Conversion topology, otherwise known as the on-line UPS.
As the topology displays below, the UPS gathers a power supply from the mains, converts AC to DC via a rectifier, which will then charge the batteries, and this DC charge will be sent through the inverter to be converted back to AC to power the load that it is connect up to, hence the name; double conversion.
What can a UPS prevent?
The double conversion on-line topology is ideal, as it is designed for continuous power protection of your equipment from all nine of the most common power problems: power failure, sag, surge (spike), undervoltage, overvoltage, electrical line noise, frequency variation, switching transient and harmonic distortion.
The double conversion ensures a consistent quality of power supply regardless of any disturbances in the incoming mains, which is why this is the perfect topology to go for, as it will not only protect equipment, it will always provide the uninterruptible power supply you require and rely on!
Hopefully this has given a good insight into what a UPS is, what they are good for, and potentially has convinced you that you would be much safer with one by your side to protect you in all situations and environments.
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