Differential-Mode Noise Prediction and Cancellation for High-Power Thyristor Trigger Circuit

This article is to predict and cancel differential-mode (DM) noise for high-power thyristor (HPT) trigger circuits and improve the reliability of capacitive pulsed power supply (CPPS). A lumped model of HPT trigger circuit is developed for the DM noise prediction within a concerning frequency range....

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Bibliographic Details
Published in:IEEE transactions on plasma science 2022-08, Vol.50 (8), p.2378-2387
Main Authors: Wei, Jiufu, Li, Baoming
Format: Article
Language:English
Subjects:
Capacitors
Circuit reliability
Differential-mode (DM) noise cancellation
DM noise prediction
DM spectrum test
Frequency ranges
high-power thyristor (HPT) trigger circuit
Impedance
Insertion loss
Integrated circuit modeling
Noise
Noise prediction
Noise propagation
Noise reduction
Switched mode power supplies
Theoretical analysis
Thyristors
Transformers
Trigger circuits
Windings
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Summary:This article is to predict and cancel differential-mode (DM) noise for high-power thyristor (HPT) trigger circuits and improve the reliability of capacitive pulsed power supply (CPPS). A lumped model of HPT trigger circuit is developed for the DM noise prediction within a concerning frequency range. The generation mechanism and propagation path of the DM noise are systematically studied. To attenuate the DM noise, a DM filter is proposed and discussed. The component parameters of the filter are investigated to improve its DM noise suppression effect. The DM spectrum for the HPT trigger circuit and the insertion losses of the DM filter are simulated and analyzed. Ultimately, DM spectrum tests are carried out. Both the simulated and measured results validate the theoretical analysis.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2022.3178872