VI-21K-EU-S

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Nowadays, DC-DC converters are widely used in various applications in industrial, commercial and residential areas. Power converters are used to convert a voltage from one level and type to another. Among them, VI-21K-EU-S converters are mostly used due to their features and advantages. This article will introduce the application field and working principle of the VI-21K-EU-S converter.

VI-21K-EU-S converters are compact, low power (up to 30W) DC-DC power converters, with exceptionally low power losses and high efficiency. They provide highly stable and regulated supply voltages over a wide range of input and output parameters. Their innovative design and construction allow them to be easily affixed and embedded with minimum assembly time. VI-21K-EU-S converters are qualified for various types of environmental conditions for industrial, telecommunication, defense and renewable energy applications.

The VI-21K-EU-S converter can be used for a variety of application fields. Generally speaking, it is used in power electronics systems for efficient conversion of different voltages. It is employed in a wide range of areas including:

• Commercial and industrial automation
• Automotive and transportation
• Home automation
• Renewable energy systems
• High-reliability applications and
• Medical instruments.

The working principle of the VI-21K-EU-S converter can be divided into two stages. The first stage is the uncontrolled stage. It begins at the input line. The part of the input line before the converter contains an AC rectifier that converts AC power to DC power. The input DC power is then filtered by an input filter before reaching the converter itself. The second stage is the regulated stage. The converter takes the DC power from the input line, processes it then outputs a regulated DC at the desired voltage. At the output, there is a filter, which removes the noise caused by the switching frequency.

The VI-21K-EU-S converter is equipped with various control and protection features. It is able to shut down the system in case of overvoltage, undervoltage, overload or reverse polarity conditions. It also provides a fast overvoltage protection D/C characteristic, which makes it very suitable for application in communication systems. It has integrated mute and skip mode functions for improved efficiency at light loads.

In conclusion, VI-21K-EU-S converters have wide application fields and multiple functions. They are very suitable for industrial, home automation, renewable energy applications and other high-reliability fields. Their working principle is two-stage, with an uncontrolled stage at the input line and a regulated stage at the output line. Various control and protection functions guarantee their quality and performance.

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