Tag Archives: short circuit

Integrating Solar PV Power with Existing Distribution Circuits; Part 1

Posted on December 29, 2011 by Administrator

A wave of new solar photovoltaic (“PV”) installations for power generation is hitting many distribution circuits around the country.  These installations are typically in the range of 10-2000 kW and comprise of a set of solar PV arrays or trays … Continue reading →

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Transient Overvoltages in Wind Farms, and a Case Study

Posted on December 19, 2011 by Administrator

In various Blogs on this site, we have talked about unique technical issues associated with integrating wind farms into existing grids.  This Blog now addresses the matter of transient overvoltages, or TOV, specifically with respect to potential risks to customers … Continue reading →

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Training Schedules for Generation X

Posted on August 23, 2011 by Administrator

Pterra conducts training in power technology subjects, not as a primary line, but in response to a perceived need.  Occasionally, work in analytical consulting leads to knowledge and skills that clients and associates desire to acquire.  And we are more … Continue reading →

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Distributed Generation: Things You Don’t Want to Miss!

Posted on October 12, 2010 by Administrator

by K. Dartawan, R. Austria What is Distributed Generation (DG)? Unlike big generation stations connected directly to the utility’s transmission grid, DG is typically smaller, about 10 MW or less connected to the distribution network or customer side. The DG … Continue reading →

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Distributed Generation Impact: Sympathetic Tripping of Protection Devices

Posted on September 15, 2010 by Administrator

by E. Cano, K. Dartawan, R. Austria One potential impact of interconnecting distributed generation (DG) is the potential sympathetic tripping of overcurrent (OC) protection devices, where a healthy feeder trips unnecessarily for a fault on another feeder. The sympathetic tripping … Continue reading →

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