![]() Generator SelectionĪfter you have assessed your facility and are sure of your power needs, be sure to select a generator that can meet the power needs and demands. Also, be sure that you understand the raised-floor area.Ĭonsider running generators in parallel and implement standard power distribution systems to help increase reliability. This will help gauge the facility’s power consumption needs. In order to accurately estimate a required generator output size for your facility, be sure to calculate the number of storage racks, square area, and expected heat load that is being produced. Tier 4 data centers can continue to operate handle mission-critical functions even when a main power source is lost. The minimal amount of downtime is ensured with fully redundant systems, comprised of backup generators and other vital pieces of equipment that prevent outages. Tier 4: This is the highest tier data center, which only sees minutes of downtime a year, totaling 26.3 minutes or less.Data centers falling under this tier are generally utilized by larger businesses that can’t afford downtime for important functions. Tier 3: These data centers are much more reliable than previous tiers, with only 1.6 hours of maximum downtime annually.These centers may experience up to 22 hour of downtime per year. Tier 2: These data centers are designed with limited redundancy, covering power and cooling needs.Data centers in this tier would typically be used only by rather small businesses. These centers don’t include any type of redundancy and can have 28.8 hours of downtime per year. Tier 1: Data centers failing into this tier are very basic data centers.Referencing the Uptime Institute (the IT industry’s most trusted and globally accepted standard for proper design, build, and operation of data centers), data center tiers are categorized by the following: Identify data center tiers help quickly identify standards in the business. Start by determining your data center tier. When purchasing a backup generator data centers, there are many considerations to make before moving forward with your purchase. This chain of events ensures that there is no interruption of power for data center or security to allow the data center to continue functioning normally. When normal power resumes, the automatic transfer switch routes power to utility and critical & non-critical loads are powered.UPS transfers to normal operation and data center & security are powered by an emergency generator.Switchgear routes power to critical & non-critical loads.Emergency generator starts and ATS switches over to emergency power. ![]() UPS supplies power to security & data center.If your facility is adequately equipped, then the following chain of events will occur: In emergency mode, utility power from the main grid is lost, interrupted, or disconnected. The switchgear is configured for critical supplies (components the need uninterrupted power, such as data centers or UPS) and non-critical supplies (such as HVAC or workstations). ![]() In normal mode, utility power is routed through the ATS (automatic transfer switch) and into the switchgear. Normal mode is where data centers operate from supplied utilities and emergency mode is where data centers operate from standby generators. UPS (Uninterruptible Power Supply) – Consists of battery bank, charger, and inverterĪll data centers operate in either one of two modes: normal mode & emergency mode.Switchgear – Routes utility or emergency generator power.ATS (Automatic Transfer Switch) – Routes utility or emergency generator power to switchgear. ![]()
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