Manufacturing plants and industrial facilities often use heavy machinery that can be damaged by power surges or voltage fluctuations. Power outages can be life-threatening in these situations, and a UPS device can provide essential backup power. Hospitals and medical facilities use UPS devices to protect sensitive medical equipment like ventilators, heart monitors and dialysis machines. UPSes can protect these devices and ensure that network connections remain uninterrupted. Routers, switches and other networking equipment are also susceptible to power-related damages. They can provide backup power for a limited amount of time, allowing users to save their work and shut down their devices properly. These devices are commonly used to protect desktop computers, laptops and servers from power outages and voltage fluctuations. UPSes come into the picture to avoid such incidents. So if a computer network faces a power shortage, then it has a huge impact across various sectors. Common applications for UPSesĬomputers are essential for a wide range of activities and functions across various sectors, including business, education, healthcare, entertainment, communication and research. UPS systems with this working principle always operate on isolated DC power and have zero transfer time because they never need to switch to DC power.ĭouble-conversion UPS systems are designed to protect mission-critical IT equipment, data center installations, high-end servers, large telecom installations and storage applications and advanced network equipment from damage caused by a power blackout, voltage sag, voltage surge, overvoltage, voltage spike, frequency noise, frequency variation or harmonic distortion. This AC output can even have a different frequency from the AC input. Second, DC is converted back into AC, which is precisely regulated by the UPS. A double-conversion online UPS uses a capacitor to stabilize this DC voltage and store energy drawn from the AC input. This UPS converts incoming AC power to DC and then back to AC.įirst, AC input, with all of its voltage spikes, distortion and other anomalies, is converted into DC. They provide power during events like a blackout, voltage sag, voltage surge or overvoltage.ĭiagram of double-conversion UPS system (Source: Schneider Electric)Īn online UPS (double-conversion) provides consistent, clean and near-perfect power regardless of the condition of incoming power. Line-interactive UPS models are typically used for consumer electronics, PCs, gaming systems, home-theater electronics, network equipment and entry- to-mid-range servers. The active regulation results in efficient battery usage, as the UPS does not use batteries for minor voltage regulations. Additionally, a line-interactive UPS can offer a more seamless transition to battery power during a power outage, as it is already actively regulating the voltage and can quickly switch to battery backup when necessary. This type of UPS has an autotransformer that regulates low voltages and overvoltages without having to switch to a battery. These models are designed for consumer electronics, entry-level computers, POS systems, security systems and other basic electronic equipment.Ī line-interactive UPS incorporates a feature that allows it to correct minor power fluctuations without switching to battery. When incoming utility power drops below or surges above safe voltage levels, the UPS switches to DC battery power and then inverts it to AC power to run connected equipment. The standby UPS is a fundamental type of UPS that activates its battery backup system upon detecting issues with the main power source. Average cost per hour of downtime (Source: Statista) What are the different types of UPSes?
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