# Tap Voltage Calculator, Formula, Tap Voltage Calculation

## Tap Voltage Calculator:

Enter the values of secondary voltage, Vs(V) and percentage of tap setting, T to determine the value of Tap voltage, Vt.

 Enter Secondary Voltage V Enter Percentage of Tap Setting: Result – Tap Voltage: V

## Tap Voltage Formula:

Tap voltage is a crucial concept in electrical engineering, particularly when dealing with transformers.

It refers to the voltage obtained from a specific tap point on a transformer winding, which allows for voltage adjustments.

This capability is essential for regulating voltage levels in electrical systems and ensuring that the output voltage meets the required specifications for various applications.

Tap voltage adjustments help maintain optimal performance and efficiency in power distribution and electrical devices.

Tap voltage, Vt in volts is calculated by dividing the secondary voltage, Vs(V) in volts and percentage of tap setting, T in percentage by 100

Tap voltage, Vt = Vs(V) * T / 100

Vt = tap voltage in volts, V.

Vs(V) = secondary voltage in volts, V.

T = percentage of tap setting.

### Tap Voltage Calculation:

1. Calculate the tap voltage for a transformer with a secondary voltage of 240 volts and a tap setting of 75%:

Given: Vs(V) = 240, T = 75%.

Tap voltage, Vt = Vs(V) * T / 100

Vt = 240 * 75 / 100

Vt = 180V.

1. Determine the secondary voltage of a transformer with a tap voltage of 288 volts and a tap setting of 60%:

Given: Vt = 288, T = 60%.

Tap voltage, Vt = Vs(V) * T / 100

Vs(V) = Vt * 100 / T

Vs(V) = 288 * 100 / 60

Vs(V) = 480V.

### Applications and Considerations:

• Voltage Regulation: Tap voltage adjustments are essential for maintaining stable voltage levels in power distribution systems, accommodating load variations.
• Transformer Efficiency: Adjusting the tap voltage helps in optimizing transformer performance and efficiency by matching the voltage requirements of different loads.
• Power Quality: Ensuring proper tap voltage settings improves power quality and reduces the risk of voltage-related issues such as overvoltage or under voltage conditions.