FAST EXTRACTION OF POWER FREQUENCY COMPONENT USING WAVELET TRANSFORM

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FAST EXTRACTION OF POWER FREQUENCY COMPONENT USING WAVELET TRANSFORM

专家论坛专题报告电力市场学术研究 | 更新时间：2025-08-13

- FAST EXTRACTION OF POWER FREQUENCY COMPONENT USING WAVELET TRANSFORM
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- 电力系统自动化 2002年26卷第24期
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- 纸质出版日期：2002
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FAST EXTRACTION OF POWER FREQUENCY COMPONENT USING WAVELET TRANSFORM[J]. 电力系统自动化, 2002,26(24).
FAST EXTRACTION OF POWER FREQUENCY COMPONENT USING WAVELET TRANSFORM[J]. 电力系统自动化, 2002,26(24). DOI：

DOI：

摘要

Powerfrequencybased protection schemes are widely used for their maturity and high reliability. However

for the exponentdecaying component

fast and accurate extraction of power frequency component in system fault remains a challenge for such protection employment. The paper proposed a new algorithm to extract power frequency component based on wavelets and sinuousmodelbased algorithm commonly. Using the new algorithm

accurate amplitude and phase of power frequency component can be achieved at approximately 3/4 period after fault. Extensive simulations have verified the algorithm

which yields satisfactory outcome.

Abstract

Powerfrequencybased protection schemes are widely used for their maturity and high reliability. However

for the exponentdecaying component

accurate amplitude and phase of power frequency component can be achieved at approximately 3/4 period after fault. Extensive simulations have verified the algorithm

which yields satisfactory outcome.

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