Technology Using About GPS In Electric Power Engineering Exploring And Surveying

In the power plant construction earlier period of surveying and designing, the land take over for using, setting out, construction fixing and in the later period maintaining the examination; in the period of surveying & designing and constructs the best optimal way in the power transmission sequence; the surveying work all is playing the vital role.The electric power engineering survey has following characteristic: The measuring area of the power plant station is not large, but request to high precision for the control network; the transmission circuit's length amounts to several hundred kilometers and the width only hundred meters but it is the strict request to the place for safety distance; has comprehensively applied fully digital photogrammetry technology to carry on the power transmission circuit to optimize the surveying and designing; the construction control network's characteristics is its area small but precision high and the period long.This article specially requests in view of these, with the application situation of GPS technology in the power plant surveying, mainly from the GPS technology in the power plant for topographic diagram survey, in the high voltage transmission circuit project and in the construction square grid of the thermal power plant establishment, has conducted the GPS applied research.The content involves the mainly contents about: GPS technology principle of work, the electric power electric power engineering survey knowledge's basic introduction, the method about using the GPS technology to check control known data, in power plant district the projection distortion processing about GPS control survey, Applying legitimate and the geoid model to increase the GPS elevation precision , using the GPS-RTK technology for the big scale topographic diagram survey in the power plant (fully digital photogrammetry technology) and fitting the line in the localization survey application for the high voltage transmission circuit project , applying linearity fitting and the geoid model...