DC Arc Self-Extinction and Dynamic Arc Model in Open-Space Condition Using a Yacob Ladder

Guan, Ruiyang; Jia, Zhidong; Fan, Songhai; Zhang, Xinghai; Wang, Tao; Deng, Yuanshi

doi:10.1109/tps.2019.2937168

Cited by 8 publications

(8 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The air gap length is the shortest at the bottom while it becomes longer and longer in the upward direction. The inclination angle of electrode is 7°which has been already experimentally proved to be favorable for arc climbing up [12]. The two electrodes are connected with the output of converter transformer.…”

Section: Jacob's Ladder Electrodesmentioning

confidence: 99%

“…The two electrodes are connected with the output of converter transformer. When the voltage is high enough, a small arc will be generated at the bottom of the electrodes first, then driven to climb upwards along the ladders because of the magnetic force and thermal buoyancy [12]. During the climbing up process, the arc length is elongated gradually, and it will be self-extinguished at last until reach a certain position.…”

Section: Jacob's Ladder Electrodesmentioning

confidence: 99%

“…Some of them were mainly concerned with the experiments of large current arc in a long distance-fixed air gap, and others were just aimed at the theoretical analysis or simulation model. Such as, R. Guan built a 20kV/200A double-supply experimental platform to do research on the four extinguishing parameters of DC arc and dynamic arc model [12]. W. Sima simulated and experimentally studied the arc movement characteristics in parallel gap of insulator with 500 A and 15 kA shortcircuit current [13].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Dynamic climbing behavior and self-extinction mechanism of DC arc in a gradually changed air gap

Guan,

Yang,

Yin

et al. 2024

Phys. Scr.

Self Cite

View full text Add to dashboard Cite

DC arc behavior is normally a complicated and rapid time-dependent evolution process. To investigate the climbing behavior, dynamic properties, as well as the self-extinction mechanism, an experimental platform in collaboration with a pair of Jacob’s ladder electrodes was established. The overall evolution process including arc generation, arc combustion, and arc self-extinction was well accomplished. The dynamic climbing behavior and dynamic emission spectrum were captured. The dynamic volt-ampere characteristic, excitation temperature and electron density were all analyzed during the overall evolution process. Furthermore, the self-extinction mechanism under the function of Jacob’s ladder electrodes was explored. The experimental observations show that a two-stage climbing behavior is performed in succession. The dynamic resistance is fluctuated significantly in purple arc stage, while it is stable in yellow arc stage. The excitation temperature is positively correlated with arc current, but not strictly linear. The co-action results of two dynamic features make it more favorable for quick separation from the external ability of power supply. As a result, the arc is transitioned from self-sustaining state to non-self-sustaining state. This paper is regarded as a preliminary research aiming to provide some references for dynamic properties and self-extinction mechanism of the climbing arc in arcing horn.

show abstract

Section: Jacob's Ladder Electrodesmentioning

confidence: 99%

Section: Jacob's Ladder Electrodesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Dynamic climbing behavior and self-extinction mechanism of DC arc in a gradually changed air gap

Guan,

Yang,

Yin

et al. 2024

Phys. Scr.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Previous research on electric arcs was more focused on phenomena related to direct current. Guan et al, in the article "DC arc self-extinction and dynamic arc model in open-space condition using a Yacob Ladder" [3], focused on the study of the arc generated at the initial current from 50 A to 200 A, while the voltage of the generating system was 560 V from a three-phase system. The entire process of arc evolution, from its production to development to self-extinguishing, was studied.…”

Section: Introductionmentioning

confidence: 99%

Optical Radiation from an Electric Arc at Different Frequencies

2020

View full text Add to dashboard Cite

The article presents research on the electric arc generated by AC current at different frequencies. The measurement procedure and system are described. Optical spectra of the generated arc in the air were recorded using a spectrophotometer. Optical spectra for five frequencies were obtained. The article also presents the energy balance of the components of the registered spectrum. The visible changes in the spectra that depend on the frequency of the AC current generating the electric arc can be significant to the diagnostics of gas insulators. The research presented in the article can be used in multiple areas of technology where an electric arc is used. The influence of the frequency of the current supplying the electric arc on the electromagnetic radiation spectrum in the area of light radiation emitted by the electric arc allows for the construction of systems that can shape the desired characteristics of the electric arc.

show abstract

“…Recording of the spectrum of electromagnetic radiation generated by electric arcs has so far focused on DC arcs and was performed by means of UV cameras, visible light cameras, and spectrophotometers. Arcs with currents from 50 to 200 A were studied [15] as well as arcs with current peak levels from 10 to 100 kA with short peak duration: about 15 µs [16]. The first of them presents the results recorded for the whole process related to the arc formation and its development until its expiry.…”

Section: Introductionmentioning

confidence: 99%

Comparative Analysis of Optical Radiation Emitted by Electric Arc Generated at AC and DC Voltage

2020

View full text Add to dashboard Cite

The article presents a comparison of the spectra of electromagnetic radiation emitted by an electric arc. The spectrum ranges from ultraviolet through visible light to near infrared. Spectra from electric arcs were compared for different frequencies of generating current and for direct current. Characteristic peaks for each measurement were described, and the percentage of individual components of light emitted through the arc was presented. An electric arc is an undesirable phenomenon in many areas, and its detection and control depends largely on its source. There are also areas where an electric arc is used. A better understanding of the physical phenomena involved in different arcs can help optimize the use of the electric arc. Safety and economy through the elimination of parasitic energy shares i.e., in the welding arc can be based on the control of the arc by controlling its optical spectrum. The optical method used in this study is one of the methods of electrical discharge detection in electrical devices and systems.

show abstract

DC Arc Self-Extinction and Dynamic Arc Model in Open-Space Condition Using a Yacob Ladder

Cited by 8 publications

References 6 publications

Dynamic climbing behavior and self-extinction mechanism of DC arc in a gradually changed air gap

Dynamic climbing behavior and self-extinction mechanism of DC arc in a gradually changed air gap

Optical Radiation from an Electric Arc at Different Frequencies

Comparative Analysis of Optical Radiation Emitted by Electric Arc Generated at AC and DC Voltage

Contact Info

Product

Resources

About