What Are Voltage Transformers Used For?

When working with electronics, systems will not always run on the same type of voltage. As such, many applications in which electrical circuits are employed also require the addition of a voltage transformer. This is a component used to convert voltages from one level to another. Whether in power transmission or other electronic equipment, voltage transformers are important part types across a myriad of applications. For your better knowledge, this blog will explore some of the more popular uses for voltage transformers.

Given their function of converting voltages, voltage transformers serve the classic purpose of converting either high or low level voltages into the opposite level. Consisting of a primary and a secondary coil wrapped around one or more iron cores, the voltage applied across a transformer’s primary coil generates an electrical current across the secondary coil to switch the voltage of the current. This is useful for many electronic systems in data processing, telecommunications, and much more.

Another useful function of voltage transformers is to filter out unwanted noise from electrical currents. Noise can cause unwanted fluctuations in current that negatively impact the smooth operations of equipment. By reducing incoming voltage to a lower level, unwanted current fluctuations are removed, ensuring a smooth and consistent power supply to all connected devices. This, in turn, improves the overall efficiency of the system.

In addition to switching currents from high to low voltages, voltage transformers may also be employed to switch alternating currents (AC) to direct currents (DC) in a process known as rectification. Needed by many electronic devices like phones or computers, rectification allows for reduced power consumption and improved efficiency. Depending on your specific needs, such as input voltage levels and operating environments, different types of voltage transformers offer different benefits.

Further uses for voltage transformers include providing isolation between circuits to provide a barrier and prevent electrical interference between two circuits. This allows the two independent circuits to function on their own without interruption, even in the presence of electrical interference. Lastly, a voltage transformer may be used to provide voltage regulation, such as to ensure the output voltage is consistent with the power supply and in the required range. In many of these applications, voltage transformers offer the added benefit of saving energy and increasing the efficiency of the overall system.

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