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What is an isolation transformer?

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Author : CETUS INTL
Update time : 2024-02-04 15:24:04
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What is an isolation transformer?
This pertains to a transformer that has electrical separation between the input coil and the output coil. We use isolating transformers to prevent accidental simultaneous contact with live objects. 

A unique transformer with strong insulation between primary and secondary windings to separate potentials and reduce interference. The conversion ratio of an isolation transformer is typically 1:1.

What is an isolation transformer?

Introduction to isolation transformers...
They are power supplies used for machine repair and maintenance, providing protection, lightning protection, and filtering.

The working concept of an isolation transformer is identical to that of a standard transformer. Both utilize the theory of electromagnetic induction. Typically, they are referred to as 1:1 transformers. 

The secondary level does not connect to the earth. But, secondary wires and the ground still have a power difference and a difference in current direction. This poses a risk.

Control transformers and tube equipment power supplies also function as isolation transformers. Devices like tube amplifiers, tube radios, oscilloscopes, and lathe control transformers all utilize isolation transformers. A 1:1 isolation transformer is typically employed for secure color TV repairs. They are also utilized in air conditioning systems.

Usually, the AC power we use has one wire connected to the earth. Additionally, there is a 220V difference between the other wire and the earth. 

There is no voltage disparity between any two lines of the transformer and the ground. This means that people will not get an electric shock if they touch any wire, thereby improving safety.

Secondly, the input and output terminals of the isolation transformer are completely "open circuit" separated. This essentially acts as an effective filter on the transformer's input side. 

Another use is to prevent interference. Used for moving electricity in subways, tall buildings, airports, stations, docks, industries, mines, and tunnels.

The transformer refers to a transformer that electrically isolates the input winding and output winding from each other. Individuals utilize it to evade the risk of inadvertently making contact with live items and the ground simultaneously. 

Its principle is the same as that of ordinary dry-type transformer. It uses electromagnetic induction to separate the main power circuit and keep the secondary circuit unconnected to the ground. To guarantee the secure utilization of electricity.
The above is about the isolation transformer we want to introduce.