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Old 02-11-2017, 07:38 PM   #1
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Default Discussion: Limit inrush current in high-power applications

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JB Castro-Miguens, C Castro-Miguens EDN Protect circuits from high current until a capacitor charges A high-power offline supply is nothing more than a half- or full-bridge dc/dc converter. Rectifying the ac line yields a dc voltage that feeds the converter.
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Old 02-11-2017, 07:38 PM   #2
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The unusual decision. But perhaps it is operational. Check one must ... And if we compare this with the scheme that is used in welding inverter? There pitalovo first fed through a resistor, then it closes relay contacts, and full power is supplied. In the scheme of welding inverters plus it is the simplicity, reliability relay compared to triac basking in this scheme. The disadvantage in welding, I think - too much time has been set for the operation of the relay. Then the time to expose itself, depending on the load. Only thyristor here I do not like.
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