How Do UPS Systems Protect Your Data Center?
By Shruti Vispute, Industry Analyst
Data Center UPS :
If the data center falters, the business suffers. Keeping your information safe and accessible means putting the best UPS to work.
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Data center UPS systems provide secure and continuous power supply to data centers and protect them against power disruptions. These systems maintain data center infrastructure during power fluctuations and outrage by providing back up power, ensuring efficient operations. They also help suppress power surges and protect the equipment from damage. Since data centers are majorly used by organizations for processing & distribution of large data, the need to have reliable UPS to safeguard data becomes a vital factor.
Designing for UPS Reliability and Availability
Given enough time, all mechanical and electrical systems will fail at some point. To counter this inevitability and achieve the desired reliability and availability, data centers are designed with redundant electrical and mechanical components and/or systems. Typically, the more redundancy you incorporate into the design, the greater the reliability and availability. However, the greater the redundancy, the greater the cost; both CapEx and OpEx.
TYPES OF UPS SYSTEMS :
1. An off-line UPS system powers the load directly and only switches to backup power in the case of an outage. These are very basic and not suitable for most data centers as there can be up to 25 milliseconds between the power interruption and battery turning on.
2. A line-interactive UPS keeps the inverter in-line and switches to battery when the power is lost. Line-interactive systems can sustain extended periods of low voltage or brownouts, using an auto-transformer to supply additional power from the battery.
3. n an on-line or Double-Conversion UPS, The rectifier charges the batteries and generates AC power at a steady rate. After a power outage, the unit switches to battery power for the inverter, which can continue to generate AC power for the IT load until it runs dry. When energy is converted between AC and DC, there is a slight loss of wasted energy. Highly energy efficient UPS systems can therefore deliver long-term ROI.
Critical Success Factors to Consider for Power Backup
The UPS is arguably the most important component in any data center and the UPS batteries are arguably the weakest link. The UPS system must be properly designed to achieve an optimized balance between capital costs and the availability of uninterruptible electrical power. The following elements represent some of the critical success factors that come into play when weighing the trade-offs of capital costs and availability:
About The Author
Shruti is an industry analyst and commentator, writer, technology entrepreneur, investor and futurist.
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