PQ Links

Follow this link to order the text “Fundamentals of Electric Power Quality”.

 

Power Quality Teaching Toy—from Power Standards Lab.  Illustrates several important concepts.  I encourage you to download it and spend some time with it.

 

Power Factor Teaching Tool  - This is an Excel spreadsheet I developed to help people understand power factor.  You may use this as needed for educational purposes.

 

Polar Coordinates in Mathcad—The files below describe how to create and use polar coordinate notation in Mathcad; a useful tool for power system analysis.

PDF      Mathcad11       Mathcad14

Note:  Mathcad 14 uses a .xmcd file type, which is an .xml file.  Internet Explorer will recognize the .xml file type and open the .xmcd file in a browser window if you just click on the link.  To open the Mathcad 14 file in Mathcad, right-click the link above, select “Save Target As…” and save the file to your computer with a .xmcd extension. 

 

Steven W. Smith, Ph.D.’s excellent book on Digital Signal Processing.  Available online or for order at:  http://www.dspguide.com/pdfbook.htm

 

Dranetz- BMI Website.  Case studies and technical documents are available for download.  http://www.dranetz-bmi.com//information/information.cfm

 

Schweitzer Engineering laboratories, Inc.  Manufacturer of utility system protection relays, as well as a number of other products.  They have a number of very good technical papers available for download at:  http://www.selinc.com/techpprs.htm

 

The Leonardo Power Quality Initiative – A European site with “a comprehensive library of application notes, describing power quality problems, their diagnosis and solutions.”  http://www.lpqi.org/

 

Fluke Corporation has many very good application notes on power quality and other topics here:  http://us.fluke.com/usen/support/appnotes/default.htm

 

IEEE Interharmonic Task Force, Cigré 36.05/CIRED 2 CC02 Voltage Quality Working Group – Paper “Interharmonics in Power Systems”

http://grouper.ieee.org/groups/harmonic/iharm/docs/ihfinal.pdf

 

FIPS 94 – Federal Information Processing Standards Publication 94 – “Guideline on Electrical Power for ADP (Automatic Data Processing) Installations” – Withdrawn by the department of Commerce, however this document is somewhat dated however it is still an industry classic on wiring and grounding in and around computer rooms.

http://www.mikeholt.com/documents/calculations/formulas/fips94.pdf

 

If you’re interested in high frequency measurement and noise like I am, Douglas Smith’s website is an interesting place to spend some time: 

http://www.emcesd.com/

 

The “Battery University” appears to be a reliable source of unbiased information on  batteries.  http://www.batteryuniversity.com/index.htm

 

Some useful information on the selection of Metal Oxide Varistors (MOVs) can be found here:  http://www.littelfuse.com/data/en/Application_Notes/EC638.pdf

 

Generator Winding Pitch and Harmonics, from Caterpillar Inc.

 

“Development and testing of an Approach to Anti-Islanding in Utility-Interconnected Photovoltaic Systems” Sandia Report SAND2000-1939, August 2000.  Available Here.

 

Some useful information from AEMC on ground resistance testing can be found here.

 

 

 

 

 

 

 

 

 

 

 

 

 

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