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The Data Center Tier Performance Standards and Their Importance to the Owners Project Requirements
The data center industry has experienced several evolutions over the past 20 years. One of the principal changes has been the development of the Tier Performance Standards. The standards provide quantifiable plateau’s or Tier Levels. Tier Levels provide…
Piecing Together Your Circuit Protection Plan
Is it sufficient to select protective devices based entirely on their ability to carry a designated load and interrupt fault current in their part of the distribution system? No. An accurately engineered electrical distribution system will allow only…
There is an on-going debate within the battery industry today regarding the correct method for calculating the capacity of a battery in a high-rate discharge application, such as an Uninterruptible Power Supply (UPS) battery plant. The contention is that the end-of-life requirement is for the battery to…
Latest News
The IEEE Stationary Battery Committee is in the process of balloting the latest revision to IEEE 450-2002, IEEE Recommended Practice for Maintenance, Testing, and Replacement of Vented Lead-Acid Batteries for Stationary Applications.