Novel small power DC motor speed regulating circuit
Source: InternetPublisher:兰博 Keywords: Small power speed control circuit DC motor speed control rectification Updated: 2021/02/24
Circuit working principle: The main circuit directly inputs 220 V AC, which is rectified
by the thyristor semi-controlled
bridge and then supplied to the motor armature. The rectified voltage is higher and suitable for
DC motors with a rated voltage of 150 N180 V and a power of less than 2 kW. Here, the thyristor VT, and
the diode VD, VT2 and VD4 all use power semiconductor half-arm bridge modules.
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