All You Should Know About AC/DC Converters

SMX Power
3 min readApr 3, 2024

An electrical circuit that converts an input of alternating current (AC) to an output of direct current (DC) is known as an AC/DC converter. To get an unregulated DC voltage, AC/DC converters, also known as “rectifiers,” transform the input AC voltage into a variable DC value and then optimize it using a filter.

Due to advancements in power electronics, AC/DC power supply has recently grown ubiquitous. To provide the end user with current and voltages that are perfectly suited to their needs, this power electronic technology processes and controls the flow of electrical energy.

Based on this conversion, there are numerous practical uses. Among the many fields that make use of AC/DC converters are industrial process control systems, measurement, measurement instruments, semiconductor production, medicine, and military. To reduce energy losses and save a lot of money, smart home power gadgets use efficient hardware for AC/DC conversion. Further information regarding AC/DC power converters will be provided below.

How AC/DC power supply works

When more efficient power generation is required or when a large number of devices require power, AC/DC power supplies are often used. To convert alternating current (AC) to direct current (DC), transformers are the standard power sources. The transformer adjusts the voltage so that it meets the requirements of the device being powered.

To change alternating current (AC) into direct current (DC), a rectifier is used to change the sinusoidal AC wave into positive peaks. Diodes play a key role in this process. It is therefore necessary to eliminate waveform variation. The load can be damaged if waveform variation reaches the power supply’s output. The worst-case scenario is that the circuit will be destroyed.

A filter’s function is to smooth out the DC voltage by removing the AC ripples from the output signal. The output voltage of the filter will remain clean and constant, matching the peak of the initial AC input wave. To put it simply, AC/DC power supplies transform alternating current (AC) into steady direct current (DC) for use in electrical equipment.

Requirements of AC/DC converters

Do not forget the following when you are deciding on a power source for smart appliances, the Internet of Things (IoT), and industrial automation.

• Excellent performance

Efficiency for power converter manufacturers was and still is, something desirable. The AC/DC converter works due to its great efficiency with no power loss.

• Low Standby Power

An AC/DC power source has the inherent advantage of using little power in standby mode. Similar devices such as sensors, electric curtains, and door lock systems mostly work on standby mode consuming these energy resources.

Using the power converter, these appliances are supplied with power. For most of the time the sensor is in standby mode since it does not run all day long. The converter is going to be inefficient especially if its standby power consumption is too high.

Benefits of an AC/DC converter

The three main advantages of an AC/DC converter are as follows:

1. Effective use of energy

With an AC/DC converter, you will not need other inverters or converters anymore. Consequently, there is less of a chance of equipment failure because of the lesser power conversion and reversal. The AC/DC converter, for instance, can offer quick charging and storage connections for electric vehicles (EVs) to cut down on inefficient power conversion and reversal processes.

2. Space-saving

The AC/DC transformers used for industrial applications are small, lightweight, and easy to install.

Small-size power converters would bring not only size reduction but also space saving for many portable handheld gadgets and household appliances.

3. Cost-saving

AC/DC converters keep working even if they’re not used for a long time. They save a lot of energy, and both homes and businesses can benefit from them.

Conclusion:

Modern electronics would not function without AC/DC converters, which allow for the dependable and efficient conversion of electrical power from AC to DC. These converters are essential parts of many different kinds of machinery, from home appliances to heavy construction equipment. New developments in AC/DC converter technology are fueling innovation and growth in power electronics, with the potential to improve efficiency, reliability, and performance in a wide range of industries.

--

--

SMX Power
0 Followers

For over 30 years, SMX Power has been the trusted global provider of power supplies for today’s successful consumers and businesses.