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How is lightning formed? Jun 09 , 2025
1. Atmospheric ionization characteristics: According to the ionization characteristics of the atmosphere, the atmosphere can be divided into the neutral layer, ionosphere and magnetosphere. A. Neutral layer: The neutral layer refers to the atmosphere from the ground to about 60 kilometers. Under normal circumstances, there are fewer charged plasmids in this layer, which is mainly composed of neutr...
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How is the voltage distributed when GDT and MOV are used in series？ Jun 25 , 2025
Without lightning surge voltage, that is, under normal power frequency voltage, the voltage distribution of MOV (metal oxide varistor) and GDT (ceramic gas discharge tube) is mainly affected by their electrical characteristics. 1. GDT (Ceramic Gas Discharge Tube): GDT has extremely high parallel impedance (about 1TΩ) and extremely small parallel capacitance (below 1pF) unde...
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AC/DC surge protection device