Method and system for identifying numbers of partial discharge sources of transformers
An identification method and transformer technology, applied in the field of detection, can solve problems such as unsatisfactory performance, and achieve the effect of simple structure and simple method.
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[0047] Figure 5 The capacitance value of each capacitor in , , . And the resistance value of each resistor is , , .
[0048] Aiming at the importance of identifying the number of PD sources for ultrasonic PD positioning, the present invention aims to provide a system and method for identifying the number of PD sources for broadband array signal processing of transformers.
[0049] The invention uses an ultrasonic array sensor to receive partial discharge ultrasonic broadband signals to form an array model, and uses broadband focusing and improved Geigerd circle algorithms in the broadband array signal processing algorithm to realize the identification of the number of partial discharge sources. It provides an effective reference for the number of sources released and the maintenance strategy.
[0050] In order to achieve the above purpose, the present invention provides a number identification system and method for broadband array signal processing of partial di...
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