TECHNOLOGY

Backup Power For Data Centers

The importance of redundant backup power for data centers is very essential. Many data centers using power backup systems, and they fall short of desirable.

The amount of power backup is referred by data centers when data centers want to provide the redundant facility. If a power failure occurs due to bad weather or some other reason, the redundant power backup will be more helpful to avoid costly downtime. When the main power source is disrupted, backup generators provide power. 

Unfortunately, due to switching from a normal to an emergency power supply, many data center components are not easy to handle power spikes. Often, when these components lose power, even briefly, a total system restart is required. Regrettably, this can cause machine failure, start-up problems, part fraud, and in-process data loss.

In this blog, we will discuss the various features and importance of redundant power backup for data centers.

Normal V/S emergency power backup

All data centers operate either in normal mode, where they operate from delivered utilities or in emergency mode, where they operate from standby generators. In normal mode, the power of the utility is redirected to the switch-gear via the automatic transfer switch. The switch-gear is designed for critical supplies (components that need uninterrupted power such as data centers or UPS) and non-critical supplies (such as HVAC or work stations).

When we are discussing the components of data centers, we are mainly focusing on the following points.

  • Main grid power source for data centers.
  • Emergency power backup when the main grid power fails due to any reasons.
  • Switchgear used to switch power on power backup mode automatically when the main grid power fails.

In the data centers, if the power outage occurred, the following chain event will take place.

  • In the beginning, the UPS will supply power to security and data centers.
  • The emergency power backup will start automatically, and switchgear will transfer power to data centers.
  • Power for the critical and non-critical loads route by switchgear.
  • When the normal grid power resumes, the automatic transfer switches to change the power route from emergency power backup to normal power for the critical and non-critical load.

In this process, there is not a single interruption will come, and all the function will work normally.

Power generators for data centers

A variety of generators for the Data Center are available for backup. The main difference between these devices is the kind of gas they can use. Based on your needs and climate, Coal, Bio-Diesel, and Natural Gas have different benefits and disadvantages.

By using N, N+1, 2N, and 2N+1 redundancy, data center power backup generators give a cost-effective and reliable power for managing the site. This redundancy power is designed similarly to the ups systems.

ATS for data centers 

Automated Transfer Switch (ATS), is one of the required panels used in data centers. These panels contain fuses, circuit breakers, and other leakage devices to take low voltage energy and transmit it to Uninterrupted Power Supply (UPS) network and other external institutions such as cooling units. Additionally, Automated Transmission Switch (ATS) controls the incoming energy from the main grid and can activate the backup generator when a power outage is observed.

UPS for data centers

Uninterrupted power supply (UPS) is used to store power system and provide that power at the time power failure, giving you time to turn to your backup generators if the interruption is likely to last more than a few minutes (like a minute or two based on the strength of your UPS).

UPS works with a power inverter to convert DC power to AC current to maintain the order to keep running all components in TDC.

The UPS utilizes a power inverter when a power outage happens to transform the accumulated DC energy to AC current in order to keep all equipment operating in TDC.

Cooling units

This is one of the most important parts of data centers. So keep the temperature under the regulation for the equipment so stay healthy, a large amount of power is used.

Getting an abundance of warm air and moisture within your data center will lead to high-end CPUs becoming overheated, producing large amounts of heat when in operation. The computers will get too warm and shut down or fail if this energy is not regulated.

Now there are different techniques that are used in data centers for the cooling process.

  • Pumped refrigerant
  • Indirect air evaporative systems
  • Chilled water system
  • Containment

Power distribution units 

In the data centers, PDU is the power extensions outlet that is used to serve points where all systems are plugged in. 

PDU receive the power from UPS and runs at 30amp/280volts. Up to 6240 watts. Indeed, that is the general equation of calculating the total power that can be used.

All the safety units will advise only 80% of the actual value.

Conclusion

There are several items we may be searching for when looking at the existing data center. Energy, security, and networking. These are great things that should be on the list, but we want to see redundancy as well. If that’s a networking device, power supply, or Ethernet cable fails, data centers will not suffer any kind of power outage.

This power backup generator will provide you a non-stop services at the time of power outage, and your business will not survive in an emergency period.

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