Research on Power Supply of Electromagnetic Detector
Wei Liu · Power Supply Technologies and Applications · 2008
Electromagnetic Detector can be used to detect casing deformation,pore and fracture,and fissures fault.In order to make the reliable down hole data transmission synchronize with the down hole power supply through the single-core cable,this paper transfers DC which get from the change of AC to the hole,and achieve a DC/DC convert through CMOS control circuitry,then finally get the necessary power.This ensure the reliable transmission of down hole information to the ground under the cireumstances of 2000m distance.