MATEC Web Conf.
Volume 70, 20162016 The 3rd International Conference on Manufacturing and Industrial Technologies
|Number of page(s)||4|
|Section||Electronics and Power Systems|
|Published online||11 August 2016|
The Design and Optimization of Combined Rogowski Coil Based on Printed Circuit Board
1 Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, 40002, Thailand, Tel. 043-347-031, Fax. 043-347-032
2 Center for Alternative Energy Research and Development, Department of Mechanical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, 40002, Thailand, Tel. 0804614416
Rogowski coil has been widely used for measurement of small magnitude with fast rise time signal such as partial discharge (PD), but Rogowski coil based on Printed circuit board (PCB Rogowski) has limitation for this application. This paper presents the prototype of Combined Rogowski coil that can overcome the drawback of PCB Rogowski coil. Experimental results showed that the proposed coil was able to measure a simulated of PD signal and its output signal indicated that the coil is suitable for a detection of small magnitude signal when compare with the other coils. The proposed Combined Rogowski coil in this research has upper frequency (fh) of 53.59 MHz and mutual inductance (M)of 0.417 μH , while PCB Rogowski coil has fh of 22.48 MHz and M of 0.026 μH. The oscillation of signal output that caused by non-uniform winding also has diminished. The electrical parameters that affected the performance of coil were controlled by the geometric variables and optimized by multi-objective genetic algorithm to achieve the optimum design of coil.
© The Authors, published by EDP Sciences, 2016
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