(3) Coil's Functions [Voltage Conversion] | Dear Rookie of the Coil | SAGAMI ELEC CO., LTD.
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  4. (3) Coil's Functions [Voltage Conversion]

(3) Coil's Functions [Voltage Conversion] | Dear Rookie of the Coil



Coil’s Functions “Voltage Conversion

We will explain about one of functions “Voltage Conversion” in this time.

What is the Voltage Conversion？
In the Electric technology, is used “Watt” as an indicator of the electric power.
We can see “Watt” on electrical appliances, such as 30W, or 30VA.

Voltage Conversion

Electric power is calculated by multiplying Voltage(V) × Current(A).
For example, 100W, there is plenty of combinations to figure out 100W.
Here are some examples.

  1. 10A(ampere) ｘ 10V(volt) ＝ 100W
  2. 2A ｘ 50V ＝ 100W
  3. 25A ｘ 4V ＝ 100W


Why do we have to change voltage and current？
Now we explain it with one example “Electrical Outlet.”
In Japan, “100V” is used at the general household.

Electrical Outlet

We can use electrical appliances after plugging in. However they have their own voltages in order to actuate.
Some has several voltages, others several hundred voltages. So we need to convert the voltage for each appliances from 100V.
Coil is used for this Voltage Conversion.

Familiar Voltage Conversion1
Familiar Voltage Conversion2

Author

Author Information

`Dear Rookie of the Coil` was planned and produced by the Project Team at SAGAMI ELEC CO., LTD., consisting of both development and sales staff.
The team is made up of engineering members with solid technical expertise, as well as non-technical members with limited knowledge of coils.
Together, they aim to convey information about coils in a gentle and easy-to-understand manner for beginners.

Notes
  • Some of the products listed in this document are no longer in production.
  • As some time has passed since the article was written, the information provided may still contain outdated content.

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