Partial discharge signal denoising method based on frequency ...

This study proposes a new denoising method based on frequency spectrum clustering and local mean value decomposition.

A Novel Denoising Method for Partial Discharge Signal Based on ...

Over the past few years, researchers have proposed several algorithms for PD signal denoising, such as the wavelet transform (WT) [6,7], the ...

Denoising of UHF Partial Discharge Signals Based on Improved ...

Abstract: The ultra-high frequency (UHF) partial discharge (PD) monitoring method can effectively detect the internal insulation state of the power ...

Partial discharge signal denoising by using hard threshold and soft ...

In general, the methods for processing the partial discharge signal are carried out based on the principle of Fourier Transformation in the frequency domain ...

Efficient partial discharge signal denoising method via adaptive ...

In this paper, we proposed an adaptive variational modal decomposition (AVMD)-based partial discharge signal denoising method, which can reduce the noise ...

Denoising of UHF Partial Discharge Signals by Using VMD Based ...

Abstract: The ultra-high frequency (UHF) partial discharge (PD) monitoring method can effectively monitor the internal insulation state of the power equipment.

A Comparative Study of Denoising Techniques for UHF Signals from ...

The ultra-high frequency (UHF) partial discharge (PD) monitoring is one of the most effective ways to detect the insulation failure in ...

The Denoising Method for Transformer Partial Discharge Based on ...

The wavelet threshold method can achieve both the time and frequency localization of signals, demonstrating excellent time-frequency analysis ...

Enhanced Partial Discharge Signal Denoising Using Dispersion ...

Apart from the usage of WT, many adaptive signal decomposition techniques were used in denoising applications [16]. Empirical Mode Decomposition ...

Denoising of partial discharge signal using a hybrid framework of ...

A hybrid approach of total variation denoising (TVD) filter and denoising autoencoder (DAE) has been introduced to eliminate noise from the measured partial ...

Signal Denoising Techniques for Partial Discharge Measurements

In addition to this, we have also implemented time-frequency analysis methods, such as STFT and WVD-based methods. The different DSP techniques investigated in ...

Noise Reduction of Partial Discharge Signal of High Voltage Cable ...

In order to suppress the influence of complex noise, a partial discharge signal noise reduction method based on Variational Mode Decomposition (VMD) is proposed ...

Partial discharge signal denoising method based on frequency ...

Partial discharge signal denoising method based on frequency spectrum clustering and local mean decomposition ... Автори: Shanjun Li; Sashuang Sun; Qin Shu ...

A New Denoising Method for UHF PD Signals Using Adaptive VMD ...

A new denoising method for UHF PD signals is proposed, designed to decompose the original signal into a series of band limited intrinsic mode functions ...

Partial Discharge Ultrahigh Frequency Signal Denoising Method ...

Abstract In order to suppress the noise in the partial discharge (PD) ultrahigh frequency (UHF) signal, a denoising method based on generalized ...

[PDF] An Improved Denoising Method for Partial Discharge Signals ...

To extract partial discharge (PD) signals from white noise efficiently, this paper proposes a denoising method for PD signals, named adaptive short-time ...

How to detect a partial discharge in a noisy signal?

I used wavelet transform and a Butterworth filter on the signals to cancel some noise and to remove the sinusoidal shape so for example, the ...

Research on PD Signals Denoising Based on EMD Method

Figure 2 gives simulation signal with sampling frequency of 10MHz. Figure 2 is the ideal partial discharge signals with the amplitude A of 0.2mV. Fig.2. Ideal ...

An Improved Denoising Method for Partial Discharge Signals ... - OUCI

To extract partial discharge (PD) signals from white noise efficiently, this paper proposes a denoising method for PD signals, named adaptive short-time ...

Wavelet-PCA Based Denoising of Partial Discharge Signals

This paper presents a sophisticated technique for denoising. PD measurement. More specifically, we propose to combine Wavelet Transform (WT) and ...