Open, Delayed or Closed Transition? Selecting the Right Transfer Switch

While most transfer switches are equipped with basic features that make them suitable for simple installations, larger or more complex projects often require additional features to meet special requirements. One such special requirement is the need to protect sensitive equipment whenever building loads are switched between two live, un-synchronized, power sources. How exactly does a proposed transfer switch execute a transfer between the normal source and the emergency source, and what effect will the transfer sequence have on the connected loads? Learn the key differences between open, delayed and closed-transition automatic transfer switches, and how to specify the right equipment.

Key Elements for Specifying an Engine Exhaust System

Whether you are designing a central energy plant for a hospital, or a smaller generator for a commercial facility, be sure to dedicate some time to your engine exhaust system specifications. Federal regulations are becoming stricter each day. And, at the local level, noise and air quality are becoming more and more important to permitting … Read more

Testing your generator: It may start, but will it carry the load?

Data centers and health-care facilities have some of the best and most thorough procedures for testing their emergency on-site power systems (EPSS).  For obvious reasons, these operations must have 100% confidence in their critical systems, and they invest heavily to insure that these systems will operate as expected, when needed.  Large facilities are often regulated … Read more

Step-by-Step Instructions – Simplex SmartPump

Automatic fuel fill stations provide an easy and convenient connection point for offloading fuel from tank cars to above-ground fuel tanks.  Here are the operating steps for a Simplex SmartPump, model SP-x (the x denotes the size of the fuel hose coupling, i.e.: 2″, 3″, etc): Delivery truck arrives and driver proceeds to SmartPump to make … Read more