1 Answer
To calculate kVA (kilovolt-amperes), you can use the following formula:
### Formula:
\[
\text{kVA} = \frac{\text{Voltage (V)} \times \text{Current (I)}}{1000}
\]
Where:
- **Voltage (V)** is the voltage in volts (V).
- **Current (I)** is the current in amperes (A).
- **1000** is used to convert the result from VA (volt-amperes) to kVA (kilovolt-amperes), because 1 kVA = 1000 VA.
### Example:
If you have a system with:
- Voltage = 400 V
- Current = 10 A
You can calculate the kVA as:
\[
\text{kVA} = \frac{400 \times 10}{1000} = 4 \, \text{kVA}
\]
### Important Note:
- kVA is used to express the power of a system without considering the power factor (which is the ratio of real power to apparent power).
- If you need to calculate real power in kW (kilowatts), you need to multiply the kVA by the **power factor (PF)**, which is typically a number between 0 and 1.
So for real power (kW):
\[
\text{kW} = \text{kVA} \times \text{Power Factor (PF)}
\]
### Formula:
\[
\text{kVA} = \frac{\text{Voltage (V)} \times \text{Current (I)}}{1000}
\]
Where:
- **Voltage (V)** is the voltage in volts (V).
- **Current (I)** is the current in amperes (A).
- **1000** is used to convert the result from VA (volt-amperes) to kVA (kilovolt-amperes), because 1 kVA = 1000 VA.
### Example:
If you have a system with:
- Voltage = 400 V
- Current = 10 A
You can calculate the kVA as:
\[
\text{kVA} = \frac{400 \times 10}{1000} = 4 \, \text{kVA}
\]
### Important Note:
- kVA is used to express the power of a system without considering the power factor (which is the ratio of real power to apparent power).
- If you need to calculate real power in kW (kilowatts), you need to multiply the kVA by the **power factor (PF)**, which is typically a number between 0 and 1.
So for real power (kW):
\[
\text{kW} = \text{kVA} \times \text{Power Factor (PF)}
\]