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2013 (Vol. 5, Issue: 19)
Article Information:

Study on Calibration System for Electronic Transformers Based on High-Accuracy PCI Card

Mingzhu Zhang, Zhenxing Li and Kaicheng Li
Corresponding Author:  Mingzhu Zhang 

Key words:  Calibration system, electronic transformers, PCI card, Synchronism, , ,
Vol. 5 , (19): 4644-4648
Submitted Accepted Published
September 15, 2012 October 24, 2012 May 10, 2013
Abstract:

With preliminary applying of Electronic Transformer (ET) based on IEC 61850 standards in power grid, the calibration of tested transformers has attracted extensive research attention. This study proposes a novel Calibration System of ET (CSET) based on high-accuracy card. Data acquisition of ET and standard trans-former (ST) is gotten by optic Ethernet and PCI-4462 data acquisition card, respectively. Meanwhile, the synchronized sampling between ET and ST is completed on the optic/electronic pulse signal of PCI synchronization card. The signals processing and human interface are realized by Lab view software. The system proposed in the study is feasible for calibrating Electronic Voltage/Current Transformers (EVT/ECT) of different voltage classes. System tests show that the precision of the system can get to 0.2.
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  Cite this Reference:
Mingzhu Zhang, Zhenxing Li and Kaicheng Li, 2013. Study on Calibration System for Electronic Transformers Based on High-Accuracy PCI Card.  Research Journal of Applied Sciences, Engineering and Technology, 5(19): 4644-4648.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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