Variable Transformer is known as the transformers which can put out the differing amounts of voltage from the same input voltage. We are offering the Variable transformers which are a type of auto transformer, which is a transformer that does not have the dual-coil core design. Variable transformers are frequently controlled with a dial, which authorize them to be adopted as a device for changing the brightness of an electric light, often combined with a switch to turn the light on and off and in other applications where accurate control over the amount of voltage that a load acquire is preferred.
Variable transformers, strangely they operate on analogous principles, and do alter significantly from standard transformers. The transformer design with only single coil is known as the autotransformer. Having single coil, these are actually not having physical separation between the source voltage and the load. This means that they are not as appropriate for convinced applications, predominantly when keeping an appliance or an operator safe by separating them from a high-voltage is a consideration.
Variacs, in rigorous, are worn in low-voltage applications and the design itself is usually not suitable for utilize in high-voltage applications. They do, however, make it hopeful to accomplish thorny tests and to exert a great deal of control over the amount of voltage put out by a power source to a given load.
Variable transformers contain an enormous quantity of dissimilar applications. Basically, in any application wherever the amount of voltage that a load is receiving wants to be wide-ranging on the fly, a variable transformer is likely engaged. These varieties of transformers can be worn to speed up and slow down electric motors, make lights brighter or connector or to replicate precise conditions so that a range of testing measures can be conceded out. Variable transformers, owing to their control knobs, have the eminence of accepting for a very downy and incessant difference on voltage. This makes them noticeably dissimilar from digitally proscribed devices, which go up or down in provisions of output based on a precise interval.
In testing, the information that variable transformers can be availed to change the voltage on a circuit to such fine degrees is predominantly helpful. This allows people conducting tests to lower voltages to tremendously low levels or to simply increase that voltage to exceeding the levels at which an element being tested was designed to function. Variable transformers are not used as separating devices. They are, equally, found in numerous dissimilar devices where separation from a source voltage is not as much an anxiety as providing control over the capacity of voltage that is provided to a load. These devices are well-known beneath the trademarked name Variac, have been common sense the early 20th century and remain among the most common electrical components today.
A Variable Transformer is an electrical apparatus which by the principles of electromagnetic induction, transfers electrical energy from one of the electric circuit to another circuit devoid of changing level of the frequency. The energy which is transferred usually takes the place with a change of voltage and current. The offered Variable Transformers are either increased or decreased AC voltage. There are several diverse types of transformers in use today. This resource will take a closer look at Power Transformers, Auto Transformers, Distribution Transformers, Instrument Transformers, Isolation Transformers, Potential Transformers, Current Transformers, Single Phase Variable Transformer, Two Phase Variable Transformer, Three Phase Variable Transformer, Motorised Variable Transformer, and Close Type Variable Transformer.
The offered variable transformer works in the standard of mutual induction. The standard of mutual induction states that as the two coils are inductively attached and if the current in coil change consistently then the electromagnetic force induced in the other coils. This electromagnetic force preserve drive a current when a closed path is provided to it. This differs from an autotransformer, in which determined taps present accurate voltages. The variable transformer makes it possible to offer an essentially infinite variation on the amount of voltage being put out by the device, making it useful in precise applications.
When the irregular current flows in the primary coils, an altering magnetic flux is generated about the primary coil. The altering magnetic flux is transferred to the secondary coil throughout the iron core. The changing magnetic flux is cut by the secondary coil, hence induces an electromagnetic force in the secondary coil. Now if the load is associated to a secondary winding this electromagnetic force drives a current throughout it. This magnitude of the output voltage can be controlled by the ratio of the no. primary coil and secondary coil.
We are well-known in the market for Variable Transformers that offer the accurate, reliable and long lasting voltage control. Our assortment of Variable Transformer at Automation Electric Company is appropriate for a vast selection of applications. Whereas now a day there are many modern alternatives to the Variable Transformer for controlling voltage, the load tolerant nature of the Variable Transformer to make sure that it is still the best and most consistent method of control for a large variety of applications where step-less control of a distortion-free AC output and dependent parameters are essential. The below mentioned are few points due which our Variable Transformer are considered to be the best and widely chosen by the customers.
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