LCB35E Power Supplies - External/Internal (Off-Board)

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AC-DC Converters, also known as AC/DC power supplies, are electronic components that receive alternating current (AC) power and convert it to direct current (DC) power. The type of converter used in a particular application depends on the required output voltage, current, frequency, and type of power it’s expected to deliver. In this article, we’ll discuss the application field and working principle of the LCB35E.

The LCB35E is designed to convert 3-phase AC voltage from 50 to 60 Hz mains to 3-phase DC voltage at 300 V – 400 V. The main application field for this converter is in a wide range of industrial applications such as motor drives, pumps, fans, lifts, lighting systems, and other power control systems where a medium-range 3-phase AC to 3-phase DC voltage conversion is needed. The LCB35E also provides galvanic isolation between its input and output, protecting both the power source and the equipment from electrical leakage or cross- electrical currents.

The LCB35E power converter works on a three-stage principle. In the first stage, it converts the incoming AC power to DC voltage by inserting the first diode rectifier circuit in series to the mains. The resulting DC voltage is then fed to the second stage, which is a filter stage. The filter module is made up of capacitors and inductors and works to reduce any voltage harmonic distortions resulting from the rectification process. Finally, the filtered DC voltage is passed to the last stage, which is a square wave inverter and the main switching device for the LCB35E. The inverter switches the DC voltage into an AC voltage at an adjustable frequency and magnitude, and then this AC voltage is fed to the output side of the converter.

In addition to being used for 3-phase AC to 3-phase DC voltage conversion, the LCB35E power converter also has several other useful features. It is designed to be low-noise and energy-efficient, making it suitable for use in sensitive areas. It also includes various safety features, such as Overvoltage Protection, Short Protection, and Overload Protection, to ensure the safety of both the converter and the equipment connected to it. Finally, it has a compact design, making it easy to install and integrate into other power systems.

In conclusion, the LCB35E is an ideal power converter for medium-range 3-phase AC to 3-phase DC voltage conversion. Its low-noise and energy-efficient design makes it suitable for a wide range of industrial applications, while its safety features and compact design make it easy to install and use. With its wide range of features and its ability to deliver reliable and consistent power conversion, the LCB35E is an excellent choice for any AC/DC power supply application.

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