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A Noncontact Voltage Measurement System for Power-Line Voltage Waveforms

Haberman, Marcelo Alejandro et al · Institute of Electrical and Electronics Engineers · 2019

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Author / responsible party
Haberman, Marcelo Alejandro et al
Publisher
Institute of Electrical and Electronics Engineers
Year
2019
ISSN
2790-2797
ISSN
2790-2797
Language
English

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This paper presents the design and implementation details of a complete noncontact (NC) voltage acquisition system, which allows the measurement of power-line voltage waveforms without galvanic contact. The system is composed by a novel capacitive probe, an analog front end (AFE), and a microcontroller-based digital signal processing stage. A deep experimental characterization of the noncontact measurement system was performed. The tests reported a high linearity (maximum nonlinearity of ±0.2%), a low input-referred noise (11 mVrms), and a low-frequency response distortion. Measurements of ±330-V triangular waveform signals were performed with maximum instantaneous errors below ±1.5 V. The power-line voltage (220 Vrms at 50 Hz) was acquired without galvanic contact with an instantaneous error lower than ±3 V, whereas the mean error on rms voltage measurements was 0.32% and the maximum 0.7%. A two-day continuous measurement of power-line voltage was accomplished for testing system's stability, resulting in negligible accuracy variations. Fil: Haberman, Marcelo Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones en Electrónica, Control y Procesamiento de Señales. Universidad Nacional de La Plata. Instituto de Investigaciones en Electrónica, Control y Procesamiento de Señales; Argentina Fil: Spinelli, Enrique Mario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones en Electrónica, Control y Procesamiento de Señales. Universidad Nacional de La Plata. Instituto de Investigaciones en Electrónica, Control y Procesamiento de Señales; Argentina

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APA 7

Haberman, M. A. E. A. (2019). A Noncontact Voltage Measurement System for Power-Line Voltage Waveforms. http://hdl.handle.net/11336/121222

MLA

Haberman, Marcelo Alejandro et al. "A Noncontact Voltage Measurement System for Power-Line Voltage Waveforms." 2019. http://hdl.handle.net/11336/121222.

Chicago

Haberman, Marcelo Alejandro et al. 2019. "A Noncontact Voltage Measurement System for Power-Line Voltage Waveforms.". http://hdl.handle.net/11336/121222.

Harvard

Haberman, M. A. E. A. 2019, A Noncontact Voltage Measurement System for Power-Line Voltage Waveforms, Institute of Electrical and Electronics Engineers, available at: http://hdl.handle.net/11336/121222 [Accessed 5 Aug. 2026].

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Title
A Noncontact Voltage Measurement System for Power-Line Voltage Waveforms
Author / contributors
Haberman, Marcelo Alejandro et al
Publisher
Institute of Electrical and Electronics Engineers
Publication year
2019
ISSN
2790-2797
ISSN
2790-2797
Language
English

Subjects

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CAPACITANCE; CAPACITIVE SENSORS; NON-CONTACT; POWER LINE VOLTAGE; POWER MEASUREMENT; POWER SYSTEM; SAFETY; VOLTAGE MEASUREMENT; https://purl.org/becyt/ford/2.2; https://purl.org/becyt/ford/2
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