The detection of magnetic field from partial discharge (PD) signal in XLPE cable using inductive probe

Ghani, Aminuddin Ab; Chakrabarty, Chandan Kumar

doi:10.1109/iseim.2008.4664581

Cited by 3 publications

(3 citation statements)

References 4 publications

(4 reference statements)

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“…In Rozi and Khayam (2015), the sensor was designed to be resonant at frequency around 100 MHz. In Ghani and Chakrabarty (2008), the loop inductor was designed to be resonant at frequency between 200 MHz and 1 GHz. The theoretical pulse current generated within the circuit, upon a breakdown, has duration of around few nanoseconds (Cooper et al, 1984;Tomita, 2008).…”

Section: Resultsmentioning

confidence: 99%

“…Optical methods are used as well since the light emitted due to ED/PD is generally in the UV-visible range. Acoustically, the pulse created by a discharge is in the ultrasonic range (Horstink, 2014;Kunicki et al, 2016). At 10 cm distance, the acoustic pressure from a 1 pC discharge is about 0.2 Pa and from a 10 pC discharge source is 0.6 Pa (Lopez-Higuera, 2002).…”

Section: Partial Discharge Detection Overviewmentioning

confidence: 99%

“…The frequency band of electromagnetic PD signals is usually from hundreds of megahertz to several gigahertz, which allows avoiding effectively lowfrequency noise and interferences. The electric component of the electromagnetic wave can be detected by a capacitive sensor, which corresponds to a patch antenna or microstrip antenna (Ghani and Chakrabarty, 2008;Álvarez et al, 2015;Shibuya et al, 2010). Also, the magnetic component of the electromagnetic wave can be detected using an inductive probe.…”

Section: Partial Discharge Detection Overviewmentioning

confidence: 99%

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Magnetic-field CMOS microsensor for low-energy electric discharge detection

Said¹,

Tounsi²,

Rufer³

et al. 2018

J. Sens. Sens. Syst.

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Abstract. This paper addresses the development and characterization of a non-intrusive silicon-based microsensor, which can detect electric partial discharges in electrical insulation equipment. Early partial discharge detection prevents failures and can be used to optimize maintenance operations. Despite the potential that CMOS technology offers, miniaturized electric discharge detector has neither been investigated nor implemented, until now. The developed microsensor demonstrates its ability to record electric discharge emission thanks to the presence of a miniaturized planar inductor. The squared inductor of 50 turns with a side length of 1.5 mm used in our sensor has been fabricated on top of a silicon substrate in a CMOS technology. The total inductor wire length of loop antenna is 30 cm to achieve 100 MHz bandwidth. Using the microsensor at 1 cm from the discharge site, a damped sinusoidal induced voltage with an amplitude of 2 V has been measured at its output. We observed that the output signal spectrum is highly concentrated around a central resonance frequency, which remains constant. The main advantage of such design resides in its monolithic integration added to the high autonomy, which improves the microsensor efficiency.

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