Solar cells, batteries, and thermocouples are the sources of DC supply. The charge carriers in DC supply travel in a single direction. The process of DC conversion can be done by DC Converters. DC stands for Direct Current, in which the current flow is unidirectional. A DC power supply is used in most of the appliances where a constant voltage is required e.g a regulated power supply based on the LM7805 voltage regulator. I have been using DC power supplies in almost all of my projects.

But, mainly designed to obtain high efficiency, high gain, and high power density.

The non-isolated converters have a large variation. However, there are other important issues that might need to be considered besides efficiency.

The most famous of these topologies are the DAB or dual active bridge Converters. It is useful in several instances…ġ) By changing voltage levels-depending on duly cycle it is proportional to D or (1/ (1-D)).Ĥ) Domestic appliances or even in small machines.ĭC to DC converters are chopper whose output voltage level could be higher or lower than its input voltage.īasically, a dc-dc converter is an electronic circuit that is used to step up (boost converter) or step down (Buck converter) the dc voltage to get the desired voltage.ĭC to DC Converters can be divided into two categories:įor isolated Converters, besides galvanic isolation, the transformers can be manipulated to obtain the required voltage at the output. Usually, DC-DC Converters like Choppers or Buck-boost converters are used to extract DC Voltage from DC Voltage. Instead of using a resistor to consume the energy difference the DC/DC converter converts the one source to the other more efficiently. You may, for example, have a solar power system to charge a battery of 12V battery but your Arduino processor and I2C or RS232 IC for communication monitoring of the solar power plant on a mobile telephone or 3G data link needs only 3.5V. It helps to change one level/voltage of DC into another level/voltage of DC. It is a type of converter that works very efficiently. – To isolate the primary and secondary circuits – To match the loads to the power supply, – To step down the voltage from a high voltage source to a lower voltage, Generally, DC-DC converters are electronic devices used whenever there is a need to bring up or down a DC-voltage level to another.ĭC/DC converters are used for the following reasons: This is one of the most commonly asked questions. DC DC Converter Symbol:įollowing is the symbol of DC to DC converter:įollowing is the symbol of AC to DC converter. Power levels range from very low (small batteries) to very high (high-voltage power transmission). It is a type of electric power converter. What to consider when selecting a DC/DC Converter for Railway?Ī DC-to-DC converter is an electronic circuit or electromechanical device that converts a source of direct current (DC) from one voltage level to another.The efficiency of DC-DC converter and calculation:.A buck (step-down) converter combined with a boost (step-up) converter.DC DC converter buck / DC DC converter step down:.DC DC converter boost / DC DC Converter Step Up:.

Dc dc power converter