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What is N+1 Redundancy in an Uninterruptible Power System? Read More »

N+1 redundancy in an Uninterruptible Power System (UPS) refers to a configuration where there is always an additional or spare UPS module available as a backup in case the main UPS module fails to function. In this configuration, the letter “N” represents a UPS module, while the “+1” indicates an extra or spare UPS module. The N+1 redundancy ensures that the load is supported by a single UPS module, and in the event of its failure, the

What Causes Uninterruptible Power Supply Failures? Read More »

Uninterruptible Power Supply (UPS) failures can be caused by various factors. According to a source, the following are the most common reasons for UPS failure: Battery failure: Batteries are the most common cause of UPS failure. Lead-acid batteries last between 3-5 years, while lithium-ion batteries last between 4-10 years. It is recommended to check batteries twice a year and replace them when they become bad or unusable. Capacitor issues: Capacitors should be checked annually and replaced

Here Are Some Tips For Maintaining the Battery of an Uninterruptible Power System (UPS): Read More »

1.     Monitor UPS Batteries for Effective Emergency Back-Up: UPS batteries must be properly maintained and monitored to ensure that the UPS will work as designed when needed. Routine inspections and testing, as well as battery monitoring devices, can be utilized as part of a proper maintenance program. Just one underperforming cell will compromise the entire battery and can severely reduce UPS back up time or worse. 2.     UPS Placement, Temperature and Environment: The environment around the UPS plays an

A Little UPS 101 For Those Who Need a Refresh or Are Learning For the First Time. Read More »

There are generally five types of Uninterruptible Power Supplies (UPS) systems that are used. They are: Standby UPSLine-interactive UPSStandby-ferro UPSDouble conversion online UPSDelta conversion online UPS The types are based on a demand for an AC power backup for the load. The standby UPS is a configuration in which a battery backup is charged by the line voltage and is fed through an inverter to a transfer switch. When the prime power is lost, the transfer

PQP Trifold Read More »

To see our new Power Quality Professionals Trifold, click here (PDF opens in a new window)