Ops & Maintenance

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Implementing a Standby Generator Maintenance Program for Diesel Engines

  • Apr 3, 2014
    Commentary

    Testing Generators with a Portable Load Bank

    As covered in my previous blog post, all diesel-powered generators should be loaded to at least 30% of their standby nameplate rating when exercised during their monthly test....More
  • Mar 16, 2014
    Commentary

    Running Without Load

    What happens to an engine when it is exercised without a load, or is allowed to exceed the manufacturer’s recommended delay for a cool-down after shedding its load?...More
  • Mar 3, 2014
    Commentary

    Thoughts on Recent CMS Proposal

    We have not seen any empirical evidence demonstrating that increased testing of emergency power supply systems (EPSS) over and above what has been approved for inclusion in the consensus-based standard, NFPA 110, Emergency and Standby Power Systems, would improve reliability during power outages....More
  • Feb 14, 2014
    Commentary

    Feel the Power  

    Many of the articles in this month’s issue focus on the topic of on-site power equipment and systems....More
  • Feb 13, 2014
    Commentary

    Risk Analysis or Arc Flash Study?

    Q. Is it true that a risk analysis can be performed in place of an arc flash study? A. An arc flash study is in fact a “risk analysis” if liberally interpreted using NFPA 70E definitions and OSHA regulatory language. Unfortunately, the term “study” has been misinterpreted and misapplied often....More
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