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Vol. 161, Issue 12, December 2013, pp. 331-336




A Kind of Energy Saving Controller Based on Y/D Change-over
1 Zhengliang Liu, 2, * Jianjun Xu, 2 Hongyu Li

1 College of Computer and Control Engineering, Qiqihar University, Qiqihar, 161006, P. R. China

2 College of Electrical and Information Engineering, Northeast Petroleum University, Daqing, 163318, P. R. China

* Tel.: 13845902468, fax: 0459-6504323

* E-mail: junjianxu@163.com


Received: 28 September 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems


Abstract: The energy-saving effect of Y/D change-over controller is better than the silicon controlled rectifier (SCR) voltage regulating style when the load rate of oil-pumping unit is low; but the silicon controlled rectifier (SCR) voltage regulating style is better than the energy-saving effect of Y/D change-over controller when the load rate of oil-pumping unit is high. Based on high-precision three-phase electrical energy measurement IC-ATT7022A, a new energy saving controller of combining the advantages of both controllers is designed. On the analysis of based on the principle of voltage regulating and energy saving of electric motor of pumping units. This paper analyzes the system's hardware and software design. Through the installation of Y/D-SCR controller and comparison tests at the scene in five oil wells, every well saves 21000 kWh annual.


Keywords: Y/D-SCR, Energy-saving controller, The silicon controlled rectifier (SCR), ATT7022A.


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