2012 was a historic year for the U.S. solar industry. There were 3,313 megawatts (MW) of photovoltaic (PV) capacity installed throughout the year, which represents 76% growth over 2011’s record…
Voltage White Papers
Power quality white papers on Voltage.
65 white papers in Voltage
Techniques for Analyzing Motor Startups
This paper covers the setup fundamentals and techniques required to obtain the high-quality waveform capture needed to analyze a motor startup. It also reviews the basic electrical characteristics of a…
Three-Phase Motor Start Causes Voltage Dips
In many cases when a local utility customer complains of voltage problems, it can often be traced back to a neighboring electrical load change that has caused voltage dips on…
Measuring Voltage Unbalance
Voltage unbalance can cause severe heating in motors and large DC power converters and an increase in harmonic currents. Fortunately unbalance is easy to measure with PMI recorders and ProVision…
Conservation Voltage Reduction During Peak Loading Times
The Johnson City Power Board is an electric power distributor located in Johnson City, Tennessee, serving over 75,000 customers in 5 counties. JCPB operates and maintains over 2000 miles of…
