Título:
Shielded electronic current transformer
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Autor:
Slomovitz, Daniel
de Souza, Heriguatí
de Souza, Heriguatí
Tutor:
Tipo de documento:
Artículo
Editor:
Palabras clave:
Compensation
Current, error
Guard
Measuring transformer
Phase displacement
Power frequency
Shield
Current, error
Guard
Measuring transformer
Phase displacement
Power frequency
Shield
Descriptores:
Año de publicación:
2004
Contenido:
Resumen:
A current transformer with nominal ratio 10 A to 10 mA, intended for low-frequency applications, was developed. It includes an electronic device to reduce the magnetizing current, and a continuous shield in the secondary winding (coaxial cable) in order to eliminate the effect of stray capacitances. No guard-source is connected to the shield. It is proposed in this paper to leave the cable-shield-potential floating. This leads to high-accuracy results (ratio errors and phase-displacements in the order of few parts in 10/sup 6/ from 50 Hz to 1 kHz).
Descripción:
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IEEE
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Citación:
Slomovitz, D., de Souza, Heriguatí. Shielded electronic current transformer [en línea] IEEE Transactions on Instrumentation and Measurement, 2004, v. 54, no. 2. doi 10.1109/TIM.2005.843565
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Licencia:
Licencia Creative Commons Atribución – No Comercial – Sin Derivadas (CC - By-NC-ND)
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