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Important Factors That Determine Step up Transformers

Transformers are electrical devices that can change the voltage of an AC (alternating current). A transformer that increases an electrical device's voltage is known as a step-up transformer. It can increase the voltage from primary to secondary. Transformers often consist of two coils wound around a soft iron coil, except the two are not connected to each other. The coils can be arranged on top of one another or wound on the iron core's separate limbs.

Once an alternating potential difference is available, the alternating current in the primary coil supplies a changing magnetic field surrounding it. As a result, an alternating current is induced in the secondary coil. On a step-up transformer, there are more turns on the secondary than on the primary coil. A secondary coil's induced voltage is higher than the applied voltage in the primary coil, resulting in a stepped-up voltage.

You need a step up transformer if you want to use a 220 volt appliance in a 110 volt region. A step up converter can be handy if you travel frequently between 220 volt and 110 volt regions. There are transformers that can function either as a step-up or step-down converter if you prefer a more versatile device for your electronics. A typical reversible transformer can be used worldwide with 60Hz and 50Hz. Step up and step down transformers range from 50 watts to 20,000 watts. Many transformers are also referred to as 'power converters' and they come with universal outlets, so they can be plugged in most foreign countries.

When buying a transformer, be sure that there is at least a 100 percent margin for power spikes or surges. Some items (like computer monitors and televisions) require a high power surge when switched on. Hence, these products may require a transformer that has at least three times the capacity of those items. Laser printers, microwaves, coffee makers, toasters, and fluorescent and halogen bulbs require a margin of four times. Consider buying a transformer with a higher rating than the listed watts on your electrical device.

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