The use of transformers
Transformer (transformer) used in electrical equipment, especially that require changes or adjustments magnitude of alternating voltage. Eg radio requires 12 volts when the voltage of electricity 220 volts, it would require a transformer to convert alternating voltage to 220 volts alternating voltage of 12 volts. Examples of power tools that require a transformer are: TV, computers, copy machines, electrical substations, and so on.
Working Principle of Transformer
The working principle of a transformer is when the primary coil (main) is connected with a source of alternating voltage, electric current changes in the primary coil cause a changing magnetic field. Changing magnetic field amplified by the presence of an iron core and iron core is delivered to the secondary coil, so that the ends of the secondary coil induced emf will arise. This effect is called mutual inductance (mutual inductance).
Component transformer
Transformer (transformer) is a device used to raise or lower the voltage of alternating (AC). The transformer consists of three basic components, namely: first coil (primary) which acts as the input, the second coil (secondary) which acts as the output, and the iron core that serves to amplify the magnetic field is generated.
Transformator types
Types of transformers varies, among which are a step up, step down, autotransformator and 3-phase transformers. 3-phase transformer is: three transformers are connected to each other specifically. Primary winding is usually connected in star (Y) and the secondary windings are connected in delta (Δ).
Most of the power transformer has a core coils immersed in transformer oil, transformer-especially in large capacity power transformers. because it has the properties of transformer oil as the heat transfer medium and also serves as insulation anyway (having high breakdown voltage power) that serves as a cooling and insulating medium.
Thus a brief explanation of transformer function, hopefully you can understand the working principle of transformer and transformer types.
The electrical systems must use power transformers or distribution transformers to reduce the high voltage electricity into lower voltage systems that can be used by the end-users: consumers. Power transformers
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