Influence of gamma radiation on measurement fast pulse voltages by Kerr electro-optic effect

Aranđelović, Nemanja; Nikezić, Dušan; Brajovic, Dragan; Ramadani, Uzahir

doi:10.1080/10420150.2021.1950153

Cited by 3 publications

(1 citation statement)

References 23 publications

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“…The non-contact measurement of transient voltage can be achieved by using the stray capacitance between the high-voltage conductor and the metal electrode to act as the high-voltage arm of the capacitance divider, and then introducing the concentrated capacitance or stray capacitance between the metal electrode and ground to act as the low-voltage arm [12,13]. In addition, the non-contact measurement of voltage can also be achieved indirectly by using electro-optical effects (including the Pockels effect and Kerr effect) for the measurement of electric fields [14][15][16]. Since a current-carrying conductor excites a magnetic field around it, and the strength of the magnetic field at a certain location is proportional to the current, noncontact measurement of current can be achieved by measuring the spatial magnetic field [17].…”

Section: Introductionmentioning

confidence: 99%

A non-contact broad bandwidth current sensor

Zhang¹,

Zhang²,

Geng³

et al. 2022

Meas. Sci. Technol.

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Power metering, relay protection, lightning current measurement, fault current measurement, and traveling current measurement in the field of power systems, as well as high-current measurement in the field of pulse power, require safe, high-accuracy, large-range, and wide-frequency-band current sensors. Current transformers and Rogowski coils can basically meet the requirements of measurement accuracy and range, but they are not good enough to meet the two requirements of safety and broad frequency bands. In this study, a non-contact broad-band current sensor is designed, which is based on the improvement of the traditional Rogowski coil to realize non-contact measurement of current. The equivalent circuit of the sensor was established, and the output characteristics of the sensor were calculated from the theoretical level as well as the design parameters were optimized. The sensor samples were made, and the usability of the sensor and the correctness of the theoretical calculation model were verified by 50 Hz AC current and 1.6 μs/3.4 μs impulse current tests. The non-contact current sensor designed in this paper has the advantages of simple structure, low cost, safety and reliability, large range, and wide operating band, and can be widely used for AC current or impulse current measurement in power systems and pulsed power fields.

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Section: Introductionmentioning

confidence: 99%

A non-contact broad bandwidth current sensor

Zhang¹,

Zhang²,

Geng³

et al. 2022

Meas. Sci. Technol.

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show abstract

Resonance behaviour for a bistable system driven by random-phase square-wave signal-modulated noise and multiplicative noise

Guo,

Zhu,

Cai

et al. 2024

Pramana - J Phys

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The efficiency of gas-filled surge arresters in the environment contaminated by non-ionizing radiation of fusion reactors

et al. 2022

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The research presents an experiment with a model of an electronic generator for energy injection into the plasma of a fusion reactor. By recording a non-ionizing field in the vicinity of a fusion reactor, it was determined that this field has an extremely high growth rate. At the site of the maximum intensity of the field of non-ionizing radiation, commercial surge arresters with a flexible model of surge arresters were used for experimentation. It has been found that the commercial surge arresters have an efficiency of about 20%. For the efficiency of the flexible model, it was found to be slightly less than 40% (and to be achieved by the application of alpha particle radiation). Since neither of these efficiencies guarantee reliable operation of the gas-filled surge arrester, it was concluded that essential electronics in the vicinity of the fusion generator must be protected. However, since this protection can only be implemented in a fusion reactor, the fact remains that the environment of such a reactor is extremely contaminated with non-ionizing radiation. Commercial surge voltages are isolated for testing since the protection of electronic circuits from fast overvoltages is a critical point for the functioning of modern electronics.

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Influence of gamma radiation on measurement fast pulse voltages by Kerr electro-optic effect

Cited by 3 publications

References 23 publications

A non-contact broad bandwidth current sensor

A non-contact broad bandwidth current sensor

Resonance behaviour for a bistable system driven by random-phase square-wave signal-modulated noise and multiplicative noise

The efficiency of gas-filled surge arresters in the environment contaminated by non-ionizing radiation of fusion reactors

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