Results 51 to 60 of about 86,487 (250)

Identifying harmonic attributes from online partial discharge data

, 2011
Partial discharge (PD) monitoring is a key method of tracking fault progression and degradation of insulation systems. Recent research discovered that the harmonic regime experienced by the plant also affects the PD pattern, questioning the conclusions ...
Catterson, Victoria M., Bahadoorsingh, S., S. D. J. McArthur, S. M. Rowland, S. Rudd, McArthur, Stephen D J, V. Catterson, Catterson, Victoria, S. Rowland, S. Bahadoorsingh, Rowland, Simon M.; id_orcid, S. McArthur, Rowland, S.M., Mcarthur, Stephen, Bahadoorsingh, Sanjay, Rowland, Simon, V. M. Catterson, Rudd, Susan   +17 more
core   +1 more source

The Partial Discharge Evolution Characteristics of 10kV XLPE Cable Joint

IEEE Access, 2023
The evolution of partial discharge (PD) with time can provide a deep understanding on the insulation status of power cables. It is of great significance for intelligent operation and maintenance of power cables.
Fuqiang Tian, Xubin Li, Shuting Zhang, Jinmei Cao   +3 more
doaj   +1 more source

A Partial Discharge Detection Approach in Distribution Cabinets Using a Mach–Zehnder Interferometer

Sensors
Distribution cabinets are of paramount importance in power supply systems. Internal partial discharge may result in power interruption or even the outbreak of fire.
Junliang Wang, Ying Zhang, Xiang Gu
doaj   +1 more source

Investigation of propagation of partial discharges in power transformers and techniques for locating the discharge

, 2005
The location of partial discharges in a power transformer can be determined based on the characteristics of the transfer function from the discharge source to the measuring terminal.
Crossley, P.A., Crossley, P. A., Hettiwatte, S.N., Wang, Z.D., Hettiwatte, S. N., Wang, Zhong Dong   +5 more
core   +1 more source

Analisis RC Detector Sebagai Sensor Partial Discharge [PDF]

, 2021
Partial Discharge is a localized electric discharge that only partially connects insulation between conductors, and can appear parallel or not to the conductor.
Junaidi, Andi, Junaidi, A. (Andi)
core   +1 more source

Inductive Sensor Performance in Partial Discharges and Noise Separation by Means of Spectral Power Ratios

Sensors, 2014
Partial discharge (PD) detection is a standardized technique to qualify electrical insulation in machines and power cables. Several techniques that analyze the waveform of the pulses have been proposed to discriminate noise from PD activity.
Jorge Alfredo Ardila-Rey, Mónica Victoria Rojas-Moreno, Juan Manuel Martínez-Tarifa, Guillermo Robles   +3 more
doaj   +1 more source

The Denoising Method for Transformer Partial Discharge Based on the Whale VMD Algorithm Combined with Adaptive Filtering and Wavelet Thresholding

Sensors, 2023
Partial discharge (PD) is the primary factor causing insulation degradation in transformers. However, the collected signals of partial discharge are often contaminated with significant noise.
Zhongdong Wu, Zhuo Zhang, Li Zheng, Tianfeng Yan, Chunyang Tang   +4 more
doaj   +1 more source

Definition of Features for GIS Partial Discharge Signals and Recognition of Discharge Types Based on Histograms

Energies
Different types of partial discharge (PD) cause varying degrees of insulation damage in gas-insulated switchgear (GIS), making accurate recognition of discharge types crucial for the safe and stable operation of GIS.
Xuan Yu, Ke Zhao, Lei Sun, Jiansheng Yuan   +3 more
doaj   +1 more source

A measurements-based discharge location algorithm for plain disc winding power transformers

, 2005
A measurements-based electrical method for locating partial discharges (PD) in transformers is described in the paper. This location method relies on the series resonance frequencies of the signals produced at the transformer terminals by a discharge on ...
Wang, Zhongdong D., Crossley, P.A., Crossley, Peter A., Hettiwatte, Sujeewa N., Hettiwatte, S.N., Wang, Z.D.   +5 more
core   +1 more source

An improved optically based PD detection system for continuous on-line monitoring of HV cables [PDF]

, 2005
An optically-based remote sensing technique using a laser source, polarization scrambler, standard single mode fibers, fiber polarizer, electro-optic (EO) modulator and optical receiver, for continuous on-line monitoring of partial discharges (PD) in ...
Tian, Y., Sutton, S.J., Lewin, P.L., Swingler, S.G., Wilkinson, J.S., Schroeder, G.   +5 more
core   +1 more source