How to use Voltage Transformer?

Voltage transformers are an essential component in the electrical industry. These devices convert high voltage current readings from power grids to levels that are manageable for measuring instruments and low-voltage equipment. In this article, we will provide an overview of voltage transformers and give you tips on how to use them.

Types of Voltage Transformers

There are generally two types of voltage transformers - electromagnetic and capacitive. Electromagnetic voltage transformers use a wire-wound primary coil that generates a magnetic field and induces voltage in a secondary coil. This type of transformer is more commonly used in the power industry due to its ability to handle high voltages.

Capacitive voltage transformers, on the other hand, use two capacitors to measure voltage. The device works on the principle that when the voltage rises, the capacitance decreases leading to the increase in current flow. Capacitive voltage transformers are less commonly used, but they are still a reliable and effective solution.

How to Use Voltage Transformers

Before using a voltage transformer, there are several things to consider. First, it is important to ensure that the transformer’s input matches the voltage you are working with. You should also make sure that the transformer is properly grounded to reduce the risk of electrocution or fire.

Next, it’s time to connect the transformer to your device. The transformer should be connected to a circuit or device that requires measurement, such as a voltmeter or ammeter. The transformer’s output should be connected to the circuit or device output. This will allow you to measure voltage at a lower, more manageable level.