VE-B1W-IW-B1

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DC DC converters are used to bridge the gap between AC and DC power systems. DC DC converters take AC input and perform the process of converting it into the DC output of an equivalent or higher voltage. In this article, we will look into the application field and working principle of the VE-B1W-IW-B1 converter.

The VE-B1W-IW-B1 converter is a Type 3 step up DC DC converter suitable for renewable energy systems and distributed power generation systems. It features voltage input ranges of 12-24V, 18-48V, 48-96V and 52-64V, corresponding output voltage ranges of 12-24V, 18-48V, and 48-96V. This converter is designed for high efficiency operation and excellent thermal performance. It uses a synchronous rectification topology to achieve high efficiency and low thermal dissipation, and the active clamp soft-switching topology to reduce switching losses.

This converter is a box type module and uses a high voltage, low temperature, high isolation MOSFET, so as to provide high efficiency and excellent power factor & transients. It features an integrated active power factor correction circuit, which helps in minimizing the distortion of input current. The integrated automatic protection circuit is designed to provide over-current, overtemperature, short-circuit, and over-voltage protection. It also has a programmable PWM frequency & soft-start function, helping in customer system intuitive operating.

The working principle of the VE-B1W-IW-B1 is based on a synchronous rectification topology. It has two stages, a boost stage and a buck stage. In the boost stage, a transistor is used to switch at a frequency regulated by an internal oscillator. This oscillator signal is then used to drive the gate of the transistor, thus regulating the boost converter’s output voltage. In this way, a DC voltage with a static level is produced.

In the buck stage, an inductor is used to store energy from the boost stage. This stored energy is then released in the form of current through a low resistance MOSFET switch, so as to produce a low voltage output. The DC voltage from the output of the buck stage is then rectified and filtered, so as to produce a smooth controlled DC voltage.

The VE-B1W-IW-B1 DC DC converter provides a reliable solution to bridge the gap between AC and DC power systems. It is designed to provide high efficiency operation, excellent thermal performance, and is approved for use in a wide range of power generation, renewable energy systems, and distributed power systems. The integrated active power factor correction, programmable PWM frequency, and automated protection circuit provide this converter with a wide range of features and advantages.

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