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In Transformers with a laminated core, the steel laminations are made of a silicon steel that has a relatively high electrical resistance, but still a reasonable permeability. This steel is also cold-rolled which 'grain orients' the magnetic domains in the material. All this trouble is to minimize magnetic hysteresis. The laminations are coated so as to minimize electrical conductivity between laminations, and thus eddy-current losses.
Transformers used at high (voice and above) frequencies are often made of permeable powders, sintered into suitable shapes. Some of these materials are actually ceramics, not steel.
What else can I help you with?
Can you able to use plastic instead of iron core in transformers?
It is because if we use a plastic as a core of the transformer then induced emf can to be produced also generated heat will damage the plastic .
What type of things can be laminated?
Almost anything can be laminated, most people will think that paper is the only thing that can be protected by laminate. Modern kitchens and bookshelves have been laminated to protect from damage to the structural particle board below. Depending on the item to be laminated will determine the cost. Most things we have today in our day to day lives have some form of laminate on them.
What are the types of and uses for a transformer?
There are two types of transformers:- 1. Step-up transformer & 2. Step-down transformer. A transformer used to increase the voltage is called Step-up transformer. A transformer used to decrease the voltage is called Step-down transformer. Uses of step-up transformer:- in power supply stations, in picture tubes of TV, computer monitors, halogen lights, etc. Uses of step-down transformer:- in supply of electricity to homes, in the power supply to the low voltage devices like radio, music systems which are run by AC mains.
How to put transformer in a sentence?
A transformer is used to transfer electricity from one circuit to another.
Why is laminated glass used for the windshields of vehicles?
Its resistance to fracturing into sharp shards when broken.
What is the core made from in a step up transformer?
Laminated steel plates.
Why do you get a typical sound when the transformer is put into operation?
vibration of the transformer's laminated core in response to the AC magnetic field.
What does the two lines indicates which are shown in between the winding of transformer?
They indicate the laminated metal core upon which the windings are wound.
Why electricity does not flow through iron core of transformer?
It does. We call this current, or currents, 'eddy currents', and they are minimised by using laminated cores.
Why don't we use one piece for transformer core?
If, by 'one piece', you mean solid -as opposed to laminated- then the answer is that a solid core will have significantly-higher eddy current (circulating current) losses than a solid core.
Why are the core of transformers manufactured from a laminated plate?
If the transformer had a solid core it would build up eddy currents within the core possibly making the core itself rise in voltage. The laminations break up these eddy current circuits and prevent this.
Why is the core laminated?
The iron core of Transformers is laminated to reduce eddy currents, which cause a loss of energy.
Why the core is laminated in TF?
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How Core losses can be reduced?
by using the laminated core
What is the function of placing a laminated iron core like that of transformer at the back of the field winding in pedestal fan?
iron core is used as an electromagnetic as electric energy is converted in to magnetic energy which in turn converted in to mechanical energy
What are the materials used in constructing a step down transformer?
There is a laminated iron core for the magnetic field and then a lot of enamelled copper wire. Step-up transformers use the same materials.
Why you use only iron core in transformers?
iron has high permeabiliy than others and also less leakageAnswerGenerally speaking, transformer cores are manufactured from laminated sheets of silicon steel, not iron.
