Isolation Transformer: Care, Uses And Advantage

2011/08/06 |161 views|28

Isolation Transformer: Care, Uses And Advantage

Isolation Transformer: Care, Uses And Advantage

An isolation transformer is a transformer used to transfer electrical power from a source of alternating current (AC) power to some equipment or device while isolating the powered device from the power source. It is specifically a transformer that isolates a circuit from an alternating current. An isolation transformer does not have a direct electrical path from the power input side to the power output side.

Use of Isolation Transformer

An isolation transformer is used to decouple two circuits. It allows an AC signal or power to be taken from one device and fed into another without electrically connecting the two circuits. It blocks transmission of DC signals from one circuit to the other, but allow AC signals to pass.

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There are many appealing aspects about the idea of "getting away from it all" and moving out into the rural, isolated lands of the United States. The calm, slower pace of life would probably add a couple of years to any person's lifespan and allow a lot of personal reflection. One of the unfortunate things about adopting this type of lifestyle and place of residence is that the conveniences of hectic living are no longer there. Everything from grocery shopping to sending mail becomes a little more difficult and time consuming. One way to ease this problem without having to sacrifice a move to the sticks is by installing satellite internet.

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Distribution Transformer: uses, advantages and installation

A number of transformers are used for uninterrupted power supply like... 1. Step up transformers 2. Step down transformers 3. Isolation transformers 4. Distribution transformers Below we will see classification, mostly used material and installation of distribution transformers A distribution transformer is a transformer that provides the final voltage transformation in the electric powe

These types of transformers are usually used for power supplies for highly sensitive equipments such as computers or laboratory and other precision instruments.

Care in installation of Isolation Transformer

While replacing or installation of an isolation transformer, care must be in use to avoid several contacts between the transformer case and the ground planes of the primary and secondary circuits otherwise it will create an electrical bridge and defeat the purpose of the isolation step.

Advantages of isolation transformer

An isolation transformer protects the electronic equipments with high standard of security like for computers, communication equipments and expensive gadgets used in hospital such as CNC machines medical instruments and logical instruments. It is used with electronic devices that have circuits that are too sensitive to handle an alternating current directly as power adapters for laptop computers, cell phones, and most other electronic devices.

Applications

In electronics testing and servicing isolation transformer is a 1:1 (under load) power transformer used for safety. Without it, exposed live metal in a device under test is at a hazardous voltage relative to grounded objects such as a heating radiator or oscilloscope ground lead (a particular hazard with some old vacuum-tube equipment with live chassis). With the transformer, as there is no conductive connection between transformer secondary and earth, there is no danger in touching a live part of the circuit while another part of the body is earthed.

In order to protect the equipments they are used to reduce the electrical surges and they can prevent death by electrocution because there is no direct flow of current from the main to the output. And also electric supply is isolated from the earth. It is advisable to place the transformer as near as possible to the electrical outlet.

Article Source: http://transformer.ezinemark.com/isolation-transformer-care-uses-and-advantage-7d2fd213be70.html

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Shakti Electronics has 2 articles online

Shakti electronics is one of India’s pioneer & leading manufacturers of step down transformer, servo stabilizer, power transformer and isolation transformers. We produce high quality, trouble free transformers that have normally 20-25 years of life.

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Isolation Transformer: Care, Uses And Advantage

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