Electrical Engineering : What is Dirty Power?
Electrical Engineering : What is Dirty Power?

Electrical Engineering : What is Dirty Power?

Posted by Mike Ruff on Jan. 29, 2013 in Engineering, Fundamentals, Guidance

“Dirty power” is an abnormality in the power quality that is being delivered to a system.  These abnormalities can include low power factor, voltage variations, frequency variations, and surges.  All electrical systems are based on a supply of power at a certain voltage and frequency.  Equipment and electronic devices are chosen based on this expected […]

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How to Reduce Electricity Costs Ahead of Rate Increases

How to Reduce Electricity Costs Ahead of Rate Increases

Posted by Sara Lewis on Nov. 29, 2012 in Engineering, Guidance

Sometimes, it can be difficult to understand changes on your electric bill and even harder to determine what you can do to bring monthly costs down.  TES Engineering recently attended a seminar that discussed First Energy rate structures and the company’s planned impending rate increases. In this blog post, we hope to break down the […]

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Color Rendering Index Across a Spectrum of Options

Color Rendering Index Across a Spectrum of Options

Posted by Sarah Douglass on Oct. 06, 2011 in Engineering

Color rendering is the effect of a light source on the color appearance of objects as compared to the appearance of the same objects under a reference light source. Light sources are rated using the Color Rendering Index (CRI). The CRI can range from 0 to 100, with 0 being the worst quality light and 100 […]

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Combating Light Pollution

Combating Light Pollution

Posted by Mike Ruff on Jul. 29, 2010 in Engineering

Light trespass and light pollution are on the front burner of many municipalities in the U.S. due to the perception of wasted energy or impingement upon usage options of neighboring properties. There are new codified ordinances that restrict exterior light levels, pole heights, pole locations, lamp type/wattage, or watts/sq ft. The USGBC offers a Light […]

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