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AMP to kVA Calculator Online

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The AMP to kVA calculator is a specialized tool designed to convert current in amperes (Amps or A) to the apparent power in kilovolt-amps (kVA). This conversion is vital in the field of electrical engineering, as it helps in the planning and sizing of electrical systems, including generators, transformers, and distribution panels. By inputting the current and voltage into the calculator, professionals and enthusiasts can quickly determine the apparent power, facilitating more efficient and effective electrical system design.

Formula of AMP to kVA Calculator

To understand the function of the AMP to kVA calculator, it's essential to know the underlying formulas it uses. These formulas differ slightly depending on the type of electrical system you are dealing with, whether it is a single-phase or a three-phase system.

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Single-phase system:

In this formula:

  • I represents the current in amps.
  • V represents the voltage in volts.

Three-phase system:

kVA = √3 * I (A) * V (V) / 1000

Here, the square root of 3 (approximately 1.732) is introduced to account for the phase difference in three-phase systems.

General Terms Table

Voltage (V)Current (A)System TypekVA (Calculated)
11010Single-Phase1.1
22020Single-Phase4.4
23030Single-Phase6.9
24050Single-Phase12
41510Three-Phase7.2
44020Three-Phase15.2
48030Three-Phase24.9
60050Three-Phase51.9

Example of AMP to kVA Calculator

To illustrate the use of these formulas, consider a single-phase system with a current of 50 amps and a voltage of 220 volts. Using the single-phase formula:

kVA = 50 * 220 / 1000 = 11 kVA

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This example demonstrates how the calculator simplifies the conversion process, making it accessible to individuals without a deep background in electrical engineering.

Most Common FAQs

What is kVA?

kVA, or kilovolt-amps, is a unit of apparent power in an electrical system. It combines both the real power (measured in kilowatts, kW) and the reactive power (measured in kilovars, kVAR) to provide a comprehensive measure of electrical load.

Can I convert kVA to kW directly?

The conversion from kVA to kW involves the power factor, which measures the efficiency of the electrical system. The formula is kW = kVA * Power Factor. Since the power factor varies by equipment and installation. A direct conversion without considering the power factor can lead to inaccurate results.

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