A photovoltaic array that follows the path of the sun to maximize the solar incident on the photovoltaic surface. The two most common orientations are (1) One axis tracking where the array tracks the sun east to west and (2) Two axis tracking where the a
Tap Position Indicator for transformers.
A photovoltaic system capable rotating on two axes (vertical and horizontal) to track the sun for maximum efficiency of the solar array.
A relay having an intentional delaying device.
A high voltage device used to locate an underground cable fault. The device applies a high voltage to the faulted cable with a resulting discharge to ground at the location of the fault.