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Notes on how to select scr power regulator!
The power regulator uses thyristor (also called thyristor) and its trigger control circuit to adjust the load power adjustment unit. Now more digital circuits are used to trigger the thyristor to realize voltage and power regulation. A voltmeter and ammeter can be added to display the voltage and current intuitively. The voltage regulation adopts phase-shifting control mode. There are two modes of power regulation: fixed cycle power regulation and variable cycle power regulation. The voltage and current of power regulation are not measurable. Next, Taiwan Huate will briefly introduce the matters needing attention on how to select the power regulator!
1. According to load characteristics, there are inductive load power regulator and resistive load power regulator
2. According to the intervention mode of silicon controlled rectifier in the main circuit, there are single-phase, double hot wire and two phases, three-phase two-control power regulator and three-phase full-control power regulator;
3. According to the on-off output mode of the main circuit of the power regulator, there are three modes: fixed period, variable period and time-sharing control.
Notes on how to select power regulator!
4. High quality power regulator adds current and voltage protection, full digital display, and all parameters can be set according to customer requirements.
5. Control mode can be selected according to load mode: Shanghai Yuesheng SCR voltage regulator is selected for transformer and molybdenum rod load, power and voltage regulation integrated control mode is selected for rheostatic load, voltage regulation control mode is selected for low temperature, and zero crossing control mode is selected for high temperature; All control modes can be selected for resistive load. 4-20MA is the most commonly used. There are also 0-5V, 0-10V, and 10K potentiometer can be manually adjusted. However, in terms of energy saving, it is better to select zero-crossing power regulation control mode.
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