MPQ-200B Power Supplies - External/Internal (Off-Board)

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AC/DC converters are used to convert alternating current (AC) into direct current (DC). This can be useful for power supplies, motors, electric vehicles, and other applications such as electronic instruments and computers. The MPQ-200B is an AC/DC converter manufactured by Mitsubishi Electronics that can be used for various applications. This article will discuss the application fields and working principle of the MPQ-200B.

The MPQ-200B is designed for use in various industries including automotive, medical, industrial, and energy applications. It can be used as an AC/DC power source for a variety of devices including medical devices, test instruments, HVAC systems, and LED lighting systems. The MPQ-200B is also suitable for use with solar energy and active power factor correction systems.

The MPQ-200B is a high-power converter with a power rating of up to 200W and a peak efficiency of 93%. It can provide a peak efficiency of up to 98% when utilizing pulse width modulation (PWM). The unit utilizes insulated gate bipolar transistors (IGBTs). It also has a wide range of input voltage and frequency (90VAC to 264VAC, 40-650Hz) and output voltage and frequency (0-85V DC, 5-500Hz).

The working principle of the MPQ-200B is based on a combination of electronic switching devices such as IGBTs and PWM control. When an input voltage is applied to the primary winding of the isolation transformer, the current flow switches the IGBTs, thus forming a bridge circuit. This causes a high-frequency current to flow through the secondary winding, which is then rectified before being filtered to achieve the desired DC voltage output at a given frequency.

The unit also features a wide range of protective functions including over-temperature protection, over-current protection, over-voltage protection, and short-circuit protection. It also has an automatic restart function, which allows the unit to resume its operation in case of an unexpected shutdown due to a fault. Additionally, the MPQ-200B has a low standby power consumption of less than 0.03W.

The versatility and excellent performance of the MPQ-200B make it a suitable choice for many AC/DC applications. It offers reliable and efficient operation at a competitive price. The unit\'s wide range of input and output voltages and its flexible frequency range make it extremely versatile. With its wide range of features and protective functions, the MPQ-200B is a reliable and cost-effective solution for many AC/DC applications.

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