Enter the positive sequence voltage (volts) and the positive sequence impedance (ohms) into the calculator to determine the Sequence Current.

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## Sequence Current Formula

The following formula is used to calculate the Sequence Current.

**Iseq = Vseq / Zseq**

- Where Iseq is the Sequence Current (amps)
- Vseq is the positive sequence voltage (volts)
- Zseq is the positive sequence impedance (ohms)

## How to Calculate Sequence Current?

The following two example problems outline how to calculate the Sequence Current.

**Example Problem #1:**

- First, determine the positive sequence voltage (volts). In this example, the positive sequence voltage (volts) is measured to be 73.
- Next, determine the positive sequence impedance (ohms). For this problem, the positive sequence impedance (ohms) is calculated to be 4.
- Finally, calculate the Sequence Current using the formula above:

Iseq = Vseq / Zseq

Inserting the values from above and solving the equation with the imputed values gives:

Iseq = 73 / 4 = 18.25 (amps)

**Example Problem #2: **

Using the same process as example problem 1, we first define the variables outlined by the formula. In this case, the values are:

positive sequence voltage (volts) = 52

positive sequence impedance (ohms) = 20

Entering these values into the formula or calculator above gives us::

Iseq = 52 / 20 = 2.6 (amps)