Design and realization of assessment software for DC-bias of transformers

Chang Liu; Lian-guang Liu; Zhong-chen Yuan

doi:10.1117/12.2013919

13 March 2013 Design and realization of assessment software for DC-bias of transformers

Chang Liu, Lian-guang Liu, Zhong-chen Yuan

Author Affiliations +

Proceedings Volume 8784, Fifth International Conference on Machine Vision (ICMV 2012): Algorithms, Pattern Recognition, and Basic Technologies; 87840S (2013) https://doi.org/10.1117/12.2013919
Event: Fifth International Conference on Machine Vision (ICMV 12), 2012, Wuhan, China

Abstract

The transformer working at the rated state will partically be saturated, and its mangetic current will be distorted accompanying with various of harmonic, increasing reactive power demand and some other affilicated phenomenon, which will threaten the safe operation of power grid. This paper establishes a transformer saturation circuit model of DCbias under duality principle basing on J-A theory which can reflect the hysteresis characteristics of iron core, and develops an software can assess the effects of transformer DC-bias using hybrid programming technology of C#.net and MATLAB with the microsoft.net platform. This software is able to simulate the mangnetizing current of different structures and assess the Saturation Level of transformers and the influnces of affilicated phenomenon accroding to the parameter of transformers and the DC equivalent voltage. It provides an effective method to assess the influnces of transformers caused by magnetic storm disaster and the earthing current of the HVDC project.

Citation Download Citation

Chang Liu, Lian-guang Liu, and Zhong-chen Yuan "Design and realization of assessment software for DC-bias of transformers", Proc. SPIE 8784, Fifth International Conference on Machine Vision (ICMV 2012): Algorithms, Pattern Recognition, and Basic Technologies, 87840S (13 March 2013); https://doi.org/10.1117/12.2013919

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