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Thyristor AC Switch Circuit Part 5b

Source: InternetPublisher:无人共我 Keywords: switching circuit thyristor AC switch three-phase AC Updated: 2020/11/18

47.<strong>Thyristor</strong>AC<strong>Switching Circuit</strong> Part 5 b.gif


This is a simplified three-phase AC switch circuit using four thyristors , suitable for loads with no neutral point lead; Figure 16-47 (b) is a simplified three-phase AC switch circuit
using three bidirectional thyristors . Suitable for electric heating equipment. When used for inductive loads, resistance and capacitance protection must be added. For 380V AC power supply, the thyristor voltage is required to be greater than 800V.





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