NX series hybrid solar inverter 24v
What are the general types of high voltage electrolytic capacitors?
A: There are generally two high-voltage electrolytic capacitors, which we usually refer to as large capacitors. Because of their high withstand voltage, they are very large. According to the capacity, the high-voltage electrolytic capacitors are generally 330uf, 470uf, 680uf, 820uf, 1000uf, 1200uf, etc. The withstand voltage is generally 200V, and the temperature resistance is 85 degrees.
What is the principle of switching circuit?
Answer: The principle of the switching circuit is that the switching tube and the PWM (Pulse Width Modulation) control chip form an oscillation circuit to generate high-frequency pulses. The high-voltage direct current generated by the high-voltage rectifier and filter circuit is converted into high-frequency pulsed direct current, which is sent to the main transformer to step down and become low-frequency pulsed direct current.
What is the principle of low voltage rectifier filter circuit?
Answer: After the low-frequency pulsed DC is rectified by the diode, it is filtered by the electrolytic capacitor, so that the output is a stable current of different voltages. Since the voltage here is already very low, although the capacitance is very large, usually 1000uf, 2200uf, etc., but because it does not require a high withstand voltage value, the capacitance is very small.
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