Emergency Power Supply Systems http://ecmweb.com/blog/39741/feed en Testing Generators with a Portable Load Bank http://ecmweb.com/blog/testing-generators-portable-load-bank <div class="node-body blog-body"><p>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.</p></div> <p><a href="http://ecmweb.com/blog/testing-generators-portable-load-bank" target="_blank">read more</a></p> http://ecmweb.com/blog/testing-generators-portable-load-bank#comments Ops & Maintenance Emergency Power Supply Systems Thu, 03 Apr 2014 21:13:00 +0000 44091 at http://ecmweb.com Running Without Load http://ecmweb.com/blog/running-without-load <div class="node-body blog-body">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? </div> <p><a href="http://ecmweb.com/blog/running-without-load" target="_blank">read more</a></p> http://ecmweb.com/blog/running-without-load#comments Ops & Maintenance Emergency Power Supply Systems Sun, 16 Mar 2014 19:14:00 +0000 42941 at http://ecmweb.com Thoughts on Recent CMS Proposal http://ecmweb.com/blog/thoughts-recent-cms-proposal <div class="node-body blog-body">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. </div> <p><a href="http://ecmweb.com/blog/thoughts-recent-cms-proposal" target="_blank">read more</a></p> http://ecmweb.com/blog/thoughts-recent-cms-proposal#comments Ops & Maintenance Emergency Power Supply Systems Mon, 03 Mar 2014 17:21:00 +0000 42211 at http://ecmweb.com Risk Analysis or Arc Flash Study? http://ecmweb.com/blog/risk-analysis-or-arc-flash-study <div class="node-body blog-body"><p><strong>Q.</strong> Is it true that a risk analysis can be performed in place of an arc flash study?</p> <p><strong>A.</strong> An arc flash study is in fact a &ldquo;risk analysis&rdquo; if liberally interpreted using NFPA 70E definitions and OSHA regulatory language. Unfortunately, the term &ldquo;study&rdquo; has been misinterpreted and misapplied often.</p></div> <p><a href="http://ecmweb.com/blog/risk-analysis-or-arc-flash-study" target="_blank">read more</a></p> http://ecmweb.com/blog/risk-analysis-or-arc-flash-study#comments Arc Flash Design Ops & Maintenance Emergency Power Supply Systems Thu, 13 Feb 2014 15:42:00 +0000 41281 at http://ecmweb.com Generator Design Debate: Insurer vs. Engineer http://ecmweb.com/blog/generator-design-debate-insurer-vs-engineer <div class="node-body blog-body"><p>Some insurance companies are now asking their clients to install 165&deg;F fusible links (valves) in the fuel oil supply (FOS) line between the main storage tank and day tank(s).&nbsp;In some cases, the companies are also asking for the links to be placed in the fuel oil return (FOR) line.&nbsp;The single reason for this is that &ldquo;if there were a fire in the generator room, the fuel supply to the generator(s) room would be shut down and therefore the chance of a &lsquo;burn down&rsquo; minimized.&rdquo;</p></div> <p><a href="http://ecmweb.com/blog/generator-design-debate-insurer-vs-engineer" target="_blank">read more</a></p> http://ecmweb.com/blog/generator-design-debate-insurer-vs-engineer#comments Ops & Maintenance Emergency Power Supply Systems Tue, 04 Feb 2014 20:18:00 +0000 40861 at http://ecmweb.com CMS Proposes 4-Hr Generator Test Every 12 Months for Health Care Facilities http://ecmweb.com/blog/cms-proposes-4-hr-generator-test-every-12-months-health-care-facilities <div class="node-body blog-body"><p>The Department of Health and Human Services has published a 120-page proposed rule dated Dec. 27, 2013 (Vol. 78, No. 249). Within the proposed rule on pages 79173-4 at Section 482.15(e) &ldquo;Generator Testing,&rdquo; the Center for Medicare and Medicaid Services (CMS) has proposed a 4-hr generator test be performed EVERY 12 months. There is no mention of a minimum percentage of nameplate rating, minimum exhaust temperature, or a requirement that all automated transfer switches be transferred during the test.</p></div> <p><a href="http://ecmweb.com/blog/cms-proposes-4-hr-generator-test-every-12-months-health-care-facilities" target="_blank">read more</a></p> http://ecmweb.com/blog/cms-proposes-4-hr-generator-test-every-12-months-health-care-facilities#comments Emergency Power Supply Systems Tue, 21 Jan 2014 19:15:00 +0000 40371 at http://ecmweb.com Remote Manual Stop Stations in Emergency Power Supply Systems http://ecmweb.com/blog/remote-manual-stop-stations-emergency-power-supply-systems <div class="node-body blog-body"><p><strong>Q.</strong> Our fire inspector just gave us a pink slip because we didn&rsquo;t have an emergency shut off for our generators. Is this valid?</p></div> <p><a href="http://ecmweb.com/blog/remote-manual-stop-stations-emergency-power-supply-systems" target="_blank">read more</a></p> http://ecmweb.com/blog/remote-manual-stop-stations-emergency-power-supply-systems#comments Ops & Maintenance Emergency Power Supply Systems Mon, 06 Jan 2014 22:12:00 +0000 39721 at http://ecmweb.com