Low Voltage Transformer

Low Voltage Transformer uses

Transformer is a familiar word at least to the ears of ordinary folks in the streets. What is not known to many is what a transformer is. The post will explain what a transformer is, what low voltage means, factors to consider in acquiring one and the applications. A transformer is a device that changes …

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Isolation Transformer

Isolation transformer applications and uses

Introduction A transformer is not a new word for you. You have been told countless times that the transformer close to your hood is the one that pumps electric power, isn’t it? Well, that’s from a layman, today we will be looking at this single device which is very important in the electrical world and …

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Step-up Transformer Applications

Step-up transformer

Step-up transformer is an electric device that raises the voltage of the secondary side (winding) to the primary side (winding). A transformer is a static device that is used to step up voltage and step down the voltage. Power remains the same on the primary side and the secondary side of the transformer. As we …

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Transformer Cooling Methods and Systems

Transformer Cooling methods

Transformer Cooling Methods A transformer in operation develops heat as a result of the copper and core losses during operation. Heat is not produced rapidly in small transformers, but the rate is much higher in large transformers. The rate of heat production determines how high the operating temperature rises above the ambient temperature. There are many  …

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Instrument Transformers Applications & Types

Instrument Transformers Application

Instrument Transformers Current transformer and voltage transformer measuring instrument transformers are designed to operate at low current and low voltage. Safety is also a reason for not connecting test instruments to sources operating at high voltage. An instrument transformer reduces high voltages and currents to safe values. Instrument transformers perform two functions. It serves as …

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Transformer Construction and Types of Cores

Transformer Construction

Basic Transformer Construction A transformer consists of two coils mounted in fixed positions relative to each other. One coil is supplied by an alternating current. As the current alternates, the magnetic field it produces also alternates. This alternating field induces an alternating current in the second coil, which supplies a load. A simple transformer construction consists …

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Transformer Losses and Efficiency

Efficiency of Transformer & Losses

Transformers have high efficiencies, especially the larger sizes operating at 50 to 100% of full load. However, they are not perfect. Some losses occur in all transformers. Transformer losses are divided into two types Copper losses Core losses Copper loss Copper loss is the loss of power caused by the resistance of the copper windings. …

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