Design of Power Supply Mode for Frequency and Voltage Adjustment in Drilling Steering System
Abstract: To meet the requirement for fast drilling of a high quality well trajectory without tripping for changing the BHA (bottom hole assembly) in steerable drilling, a program was proposed for de-signing power supply module for frequency and voltage controlling with a single chip computer. Compared with power supply module realized by the three terminal voltage stabilized power supply composed of an adjustable component and power supply module realized by using IGBT (insulated gate bipolar transistor) with bidirectional conduction function, which are the most commonly used in the present stage, what makes the program different is that it utilize single chip computer AT89C5 to control the main circuit of frequency and voltage adjustment, combined with a bridge inverter circuit, implementing the frequency adjustment through IR2110 driving, and de-sign over-current (voltage) protection at last. The testing result shows that the module design based on the program is simple and controllable, it can meet the demands of applications of the power supply module of the drilling system under various working conditions.
文章引用: 黄金平 , 朱云霞 , 温 欣 (2016) 钻井导向系统用调频调压供电模块设计。 石油天然气学报， 38， 79-85. doi: 10.12677/JOGT.2016.383028
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