PQC250-24D

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The PQC250-24D belongs to the AC/DC converters. It is a device that changes electric power from alternating current (AC) to direct current (DC). AC/DC converters are used for a wide range of applications, including consumer goods, industrial equipment, and digital devices. The PQC250-24D is a high efficiency, isolated AC/DC converter that delivers 24VDC at 25A of regulated output power.

This device features an input voltage range of 90 to 264V AC and a frequency range of 47–440 Hz. It is capable of operating in harsh industrial environments, with an operating temperature range of 0–45°C and an operational altitude of up to 2,000 meters. The line and load regulation are high, ensuring that the output voltage does not vary under different load conditions.

The converter comes with protections built in, such as thermal shutdown, over-voltage protection, over-current protection, and over-temperature protection, among others. This helps prevent damage to the device due to overload and ensures long-term reliability. In addition, the PQC250-24D features active power factor correction, allowing the device to operate at a wide range of power factor levels, from 0.6 to 1, while still delivering power efficiently.

The PQC250-24D has a simple working principle. It starts by rectifying the input AC signal into a DC signal. This is accomplished by using a full-wave rectifier, which consists of four or more diodes connected to the AC line. This rectified signal is then filtered by an electrolytic capacitor to reduce the ripple. The DC signal is then sent to an internal switching circuit that converts the DC signal into a desired voltage and current output.

The switching circuit consists of an integrated circuit which works in conjunction with three main components to convert the output voltage and current: a transformer, a switch, and an inductor. As the integrated circuit alternates between charging and discharging the inductor, it also switches the switch, creating a square wave output. This square wave output is then filtered by an output filter to reduce the ripple and smooth the output waveform.

The DC output voltage from the switching circuit is then regulated to the desired value by an internal control circuit, which works by comparing the output voltage to a reference voltage. If the output voltage deviates from the reference voltage, the control circuit will adjust the duty cycle of the switching circuit to bring it back to the desired value. This ensures that the output voltage remains stable and predictable, regardless of variations in input voltage or load.

The PQC250-24D is an efficient and reliable device designed for industrial applications. Its simple working principle, effective protection circuit, and wide input voltage range make it an ideal choice for many applications. Whether you need to power a panel, a pump, or an electron microscope, the PQC250-24D has the features and performance to get the job done.

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