Partially and fully insulated conductor systems for low and medium voltage over head distribution lines

Agarwal, Harshit; Mukherjee, K.; Barna, Peter

doi:10.1109/catcon.2013.6737537

Cited by 7 publications

(3 citation statements)

References 6 publications

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“…The threshold W is an important parameter in the noise reduction process [29], [30]. Based on [31] and the average absolute deviation, the threshold W of the decomposition layer n is calculated as (5) and (6).…”

Section: The Signal Noise Reduction Based On Dwtmentioning

confidence: 99%

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Fault Detection on Insulated Overhead Conductors Based on DWT-LSTM and Partial Discharge

Zuo

et al. 2020

IEEE Access

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Insulated conductors can improve the stability of power transmission and reduce the construction space compared with traditional bare conductors. Therefore, insulated conductors are used more and more in overhead power transmission. However, a major challenge of using insulated overhead conductors (IOC) is that the ordinary protection devices are not able to detect the phase-to-ground faults and something, such as tree branch, hitting conductor events. This may cause an accident such as power failure or electrical fire and result in serious damage. In this paper, a new approach, which is based on Discrete Wavelet Transform (DWT) and Long Short Term Memory network (LSTM) for detecting of IOC fault according to partial discharge, is presented. Firstly, the original signal is denoised by DWT. Secondly, the denoised signal is decomposed and extracted features on different layers by DWT. Finally, IOC fault is detected by LSTM. This method can improve the detection accuracy of IOC fault which is tested on the ENET public data set and compared with other classification methods. INDEX TERMS Insulated overhead conductors, partial discharge, discrete wavelet transform, long short term memory network, fault detection.

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Section: The Signal Noise Reduction Based On Dwtmentioning

confidence: 99%

“…Insulated conductor can improve the stability of power transmission and reduce the construction space compared with traditional bare conductors [1]- [3]. Therefore, insulated conductors are used more and more in overhead power transmission [4], [5]. However, there is a major challenge in using insulated overhead conductor (IOC).…”

Section: Introductionmentioning

confidence: 99%

Fault Detection on Insulated Overhead Conductors Based on DWT-LSTM and Partial Discharge

Zuo

et al. 2020

IEEE Access

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“…These are essentially three CC phases in a polymeric support cradle reinforced by a 'messenger' cable. 4 Figure 3 shows the support system at a pole. The spacer cable is mostly used because the system has messenger-supported three layer cable construction in a close triangular configuration, the electrical strength to prevent faults due to line to line or line to ground contact, tree or animal contact, a complete coordinated system including cable, messenger, spacers, insulators and hardware and the mechanical strength to operate under severe weather conditions.…”

Section: Spacer Cablementioning

confidence: 99%

Impact of covered conductors on Ghana’s distribution network

Akoto¹

2019

PAIJ

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Electrical power outages experienced in the vegetation areas in Ghana are as a result of bare conductors coming in contact with grounded objects such as trees and tree branches. To curb this problem, the electricity company of Ghana has introduced into its overhead distribution networks the use of CC, covered conductors. These covered conductors unlike the traditional bare wire conductors are able to temporarily withstand phase-to-phase earth voltages. XLPE, Cross-Linked Polyethylene, HDPE, High Density Polyethylene covered conductors together with ABC, Aerial Bundled Conductors are considered. Limitations associated with these covered conductors, greatly relating to cost, reliability, supply quality and safety have been discussed in this paper.

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Health diagnosis scheme for in-service low voltage Aerial Bundled Cables using super-heterodyned airborne Ultrasonic testing

Shahid

Khan

Zafar

et al. 2020

Electric Power Systems Research

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Partially and fully insulated conductor systems for low and medium voltage over head distribution lines

Cited by 7 publications

References 6 publications

Fault Detection on Insulated Overhead Conductors Based on DWT-LSTM and Partial Discharge

Fault Detection on Insulated Overhead Conductors Based on DWT-LSTM and Partial Discharge

Impact of covered conductors on Ghana’s distribution network

Health diagnosis scheme for in-service low voltage Aerial Bundled Cables using super-heterodyned airborne Ultrasonic testing

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