Thyristor overcurrent protection circuit one b
Source: InternetPublisher:三月小雨 Keywords: protection circuit thyristor overcurrent protection power supply Updated: 2020/06/06
When overloaded, detect resistor R. [Figure 14-97 (a)] or RP [Figure (b)],
the voltage drop increases, the thyristor is turned on, causing a large current to flow directly through the protection circuit composed of Ri and V , causing the power fuse FU
to blow out, thus achieving Quickly protect the power supply . Figure (b) passes through a small thyristor U. Trigger the large thyristor again .
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