Cables
Partial Discharge Testing On Power Cable Systems
Partial discharge measurement is an important method of assessing the quality of the insulation of power cable systems, particularly for extruded insulation materials. This article considers partial discharge from two points of view: the measurement of all partial discharges occurring… Read more
Nov 18, 2011 | By Edvard Csanyi
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What Standards To Use For Transformer Oil Testing?
ASTM (American Society for Testing and Materials) has developed the standards for oil testing. The following tests we recommended for a complete analysis of a transformer’s oil: The dielectric breakdown is an indication of the oil’s ability to withstand electrical…...
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Nov 15, 2011 | By Edvard Csanyi
Transformers
Transformer Testing Techniques
Cant see this video? Click here to watch it on Youtube. Substation transformers can range from the size of a garbage can to the size of a small house; they can be equipped with a wide array of gauges, bushings,… Read more
Oct 27, 2011 | By Edvard Csanyi
Energy and Power
Testing of UPS devices
The purpose of electrical testing on systems and their components is two-fold. The first is to check the installation of the equipment and perform component and systems tests to ensure that, when energized, the system will function properly. The second… Read more
May 15, 2011 | By Edvard Csanyi
Transformers
Transformer Winding Temperature Thermometer
These devices are supposed to indicate hottest spot in the winding based on the manufacturers heat run tests. At best, this device is only accurate at top nameplate rated load and then only if it is not out of calibration…. Read more
Feb 25, 2011 | By Edvard Csanyi
