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Reversible speed regulating circuit of DC motor that changes the direction of armature current
Source: InternetPublisher:兰博 Keywords: DC motor reversible speed regulation speed regulation circuit Updated: 2021/03/30
It is an automatic speed regulation system for the SG8630 machine tool spindle motor (3kW). It uses
a single-phase half-controlled bridge rectifier circuit with two thyristors. The circuit is equipped with voltage negative feedback (composed of Ra, RPi), voltage differential
negative feedback (composed of Rs, RP4, C3), current positive feedback (R16) and current cutoff feedback (composed of RP3, VSz
).
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