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2013 (Vol. 5, Issue: 10)
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 , (10): 2929-2933
Submitted Accepted Published
September 07, 2012 October 25, 2012 March 25, 2013
Abstract:

With preliminary applying of Electronic Transformer (ET) based on IEC 61850 standards in power grid, the calibrations of tested transformers have 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 Labview 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(10): 2929-2933.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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