to fold over in layers oor Sjinees
voorbeelde
Advanced filtering
Voorbeelde moet herlaai word.
The working principle is: when voltage is applied to both ends of the gas discharge tube voltage reaches the gas is ionized, the gas discharge tube of a non-self-sustained discharge transition to self-sustaining discharge, the discharge was low resistance conducting state, you can instantly by a large current, the gas discharge tube after breakdown low voltage can be maintained to less than 30V; Semiconductor discharge tube: it is composed by solid four-layer SCR (Silicon Controlled Rectifier) structure. Discharge starts operation when the surge voltage exceeds the break-over voltage semiconductor discharge VBO, when the discharge tube operates in the fold-back device, the role of the voltage across the discharge tube is maintained at a very low (approximately 20V or less) can maintain its low resistance state, absorb surge and protect the devices.
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1 sinne gevind in 9 ms. Hulle kom uit baie bronne en word nie nagegaan nie.