Selecting the Appropriate Power Supply to Avoid Costly Production Blackouts

Power outages can be inconvenient, scary and costly. Large corporations depend on electricity to stay in business and provide the public with what it needs. When there is a localized power issue, and your business depends on stable power to keep your production lines working, what steps do you put in place to avoid costly production expenses?

Read the article "Don't Be Left in the Dark" if you want to learn about selecting a power supply, different types of power problems and what you can do to prevent a voltage overload.

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  • <p>A letter from a reader.</p> <p>Aloha from Hawaii.  I retired as the senior Staff Chief Engineer for Washington State Ferries and my last project was being a part of the Design, construction, commissioning and operation of the three Jumbo Mark II ferries.  They were 16,000 HP, Cyclo-converter A/C drive, 470 feet long, 3000 passengers.  We started at 2500, but we have so many things designed to prevent being without power and being DIW.  Some systems were 24 VDC and duel battery power, some with multi-able power and others with redundant systems.  This is where the design and operations team need to work closely together.  Next we worked directly with Siemens to have they design and build systems for us.  The result was a very good system.<br /> <br />One of the most important aspects of the article you wrote is to educate the owners and operators to know there is more to purchasing and forgetting the system until the power goes out and the system fails to operate.  When Hawaii suffered the earthquake many, many, systems failed to operate and the power was out for many hours.  A good reason was the way the system controls were designed and built.  Others were the owners failed to set up a test program and other fail to have a fuel scrubbing and filtering program and the fuel system fail to operate.  Other failed to start and other started and failed or shut down.  Many of today's control system with allow programing a test program right into the controls.<br /> <br />The point here the owners must be educated on the system, not just a control.  This is something I talk to owners about all the time.<br /> <br />Good article.<br /> <br />Clark Dodge<br />CED Consulting LLC</p>

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  • <p>A letter from a reader.</p> <p>To imagine what life was like without electricity, we don't have to picture ourselves living in 1879 before Thomas Edison invented the electric lightbulb</p> <p>Actually, the big transition in illumination came with the availability of inexpensive kerosene from the Pennsylvania oil strike in 1860.  By the time that practical electrical illumination was developed, people knew what to do with it.  The petroleum industry was founded on the demand for kerosene for illumination.</p> <p>Here's information on kerosene and its own history<br /><a href="http://en.wikipedia.org/wiki/Kerosene">http://en.wikipedia.org/wiki/Kerosene</a></p> <p>Lamp design was also important: <br /><a href="http://en.wikipedia.org/wiki/Kerosene_lamp">http://en.wikipedia.org/wiki/Kerosene_lamp</a>.  <br />Kerosene lighthouse lamps, with HUGE wicks, persisted much longer because of electrical supply and reliability problems.</p> <p>Hugh Hixon</p>

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