4kW single-phase AC voltage regulator circuit
Source: InternetPublisher:吃掉星星 Keywords: Power supplyAC/DC Updated: 2021/11/11
The output capacity of this voltage regulator is 4kW, the output voltage is 0-210V, and the maximum output current is 19.2A. Voltage stabilization performance: The output voltage is in the range of 0~180V. When the power supply voltage changes ±5%, the output voltage changes ±1.5 V. Load impedance 110, ~5kfi, efficiency >98%. Load properties: resistive or inductive load with cos~p≥0.8.
The main circuit adopts a single-phase bidirectional thyristor voltage regulating circuit, and the trigger circuit is a single-junction transistor relaxation oscillator. The circuit is equipped with voltage negative feedback (Uf). The given voltage Ug is given by the master potentiometer RPi. Adjusting RPi can change the output voltage.
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