Is Powerline Voltage Always an Integral Multiple of 11?

Thread starter nishant mudgal
Start date Jul 21, 2016
Tags

Applied Transformer Voltage

In summary, a transformer is an electrical device used to adjust the voltage of an alternating current supply. It works by passing electricity through coils to create a magnetic field, which then induces a current in another set of coils to change the voltage. The purpose of applying voltage with a transformer is to meet the specific requirements of different devices and systems. However, a transformer can only increase or decrease voltage within a certain range, determined by the turns ratio and core material. The voltage output of a transformer is determined by the number of turns in the coils and the turns ratio.

Jul 21, 2016

nishant mudgal

Why is the supplied voltage in the powerline wires an integral multiple of 11 from the supplier? Example -- That line is 11,000V

Last edited by a moderator: Jul 21, 2016

Engineering news on Phys.org

Jul 21, 2016

anorlunda

Staff Emeritus

Insights Author

The answer is that it is not true. We do not always apply voltage in multiples of 11.

FAQ: Is Powerline Voltage Always an Integral Multiple of 11?

What is a transformer?

A transformer is an electrical device that is used to increase or decrease the voltage of an alternating current (AC) electrical supply.

How does a transformer work?

A transformer works by passing an alternating current through a primary coil, which creates a magnetic field. This magnetic field then induces a current in a secondary coil, resulting in a change in voltage.

What is the purpose of applying voltage with a transformer?

The purpose of applying voltage with a transformer is to change the voltage level of an electrical supply to suit the needs of different devices or systems. For example, high voltage is required for power transmission, but lower voltage is needed for household electronics.

Can a transformer be used to increase or decrease voltage indefinitely?

No, a transformer can only increase or decrease voltage within a certain range, known as the transformer's turns ratio. Going beyond this range can cause damage to the transformer and the devices connected to it.

How is the voltage output of a transformer determined?

The voltage output of a transformer is determined by the number of turns in the primary and secondary coils and the type of core material used. The turns ratio, which is the ratio of the number of turns in the primary coil to the number of turns in the secondary coil, also plays a crucial role in determining the voltage output.