Amps (A) to kilovolt-amps (kVA) calculator.
Enter phase number, the current in amps, the voltage in volts and press the Calculate button to get the apparent power in kilovolt-amps:
So The apparent power [S] in kilovolt-amps is equal to current I in amps, times the voltage [V] in volts, divided by [1000].
S(kVA) = I(A) × V(V) / 1000
What is the apparent power in kVA when the phase current is 14A and the RMS voltage supply is 120V?
Solution:
S = 14A × 120V / 1000 = 1.68kVA
What is the apparent power in kVA when the phase current is 15A and the RMS voltage supply is 140V?
Solution:
S = 15A × 140V / 1000 = 2.1kVA
What is the apparent power in kVA when the phase current is 25A and the RMS voltage supply is 150V?
Solution:
S = 25A × 150V / 1000 = 3.75VA
So The apparent power [S] in kilovolt-amps is equal to phase current [I] in amps, times the line to line RMS voltage [VL-L] in volts, divided by [1000].
S(kVA) = √3 × I(A) × VL-L(V) / 1000
What is the apparent power in kVA when the phase current is 14A and the line to line RMS voltage supply is 150V?
Solution:
S = √3 × 14A × 150V / 1000 = 3.637kVA
What is the apparent power in kVA when the phase current is 15A and the line to line RMS voltage supply is 180V?
Solution:
S = √3 × 15A × 180V / 1000 = 4.677kVA
What is the apparent power in kVA when the phase current is 20A and the line to line RMS voltage supply is 290V?
Solution:
S = √3 × 20A × 290V / 1000 = 10.046kVA
The apparent power [S] in kilovolt-amps is equal to phase current [I] in amps, times the line to neutral RMS voltage VL-N in volts, divided by [1000].
S(kVA) = 3 × I(A) × VL-N(V) / 1000
What is the apparent power in kVA when the phase current is 12A and the line to neutral RMS voltage supply is 140V?
Solution:
S = 3 × 12A × 140V / 1000 = 5.04kVA
What is the apparent power in kVA when the phase current is 12A and the line to neutral RMS voltage supply is 150V?
Solution:
S = 3 × 12A × 150V / 1000 = 5.4kVA
What is the apparent power in kVA when the phase current is 12A and the line to neutral RMS voltage supply is 190V?
Solution:
S = 3 × 12A × 190V / 1000 = 6.84kVA
calculate a kVA to amps table:
| kVA (Apparent Power) | Voltage (220 V) | Amperage (A) |
|---|---|---|
| How many amps is 1 kVA? | 220 V | 4.55 Amps |
| How many amps is 5 kVA? | 220 V | 22.73 Amps |
| How many amps is 10 kVA? | 220 V | 45.45 Amps |
| How many amps is 20 kVA? | 220 V | 90.91 Amps |
| How many amps is 30 kVA? | 220 V | 136.36 Amps |
| How many amps is 45 kVA? | 220 V | 204.55 Amps |
| How many amps is 60 kVA? | 220 V | 272.73 Amps |
| How many amps is 90 kVA? | 220 V | 409.09 Amps |
| How many amps is 120 kVA? | 220 V | 545.45 Amps |
The primary current (current on the high voltage side) is 5.25 amperes. KVA = (√3. V x I) /1000 = (1.732 × 11000 × 5.25)/1000 = 100 KVA.
High Current Transformer, 7.5 KVA, 1 PH, 60 Hz, P/N 19286. Primary: 140 VAC, 54 amps. Secondary: 35 VAC, 215 amps.
| kVA | kW | 240 |
|---|---|---|
| 31 | 25 | 75.3 |
| 38 | 30 | 90.3 |
| 44 | 35 | 105.4 |
| 50 | 40 | 120.4 |
An operating three-phase motor has voltages measured with a voltmeter on each phase of 453, 458, and 461 volts, the amperage measured on each phase with an ammeter is 14.1, 13.9, and 13.8 amps, the power factor is given as 0.82. was measured in The average voltage is 453 plus 458 plus 461 divided by 3 which equals 457 volts.
How do I convert amps to kVA? To convert amps to kVA in a single-phase power system, you can use the formula S = I × V/1000 where amperage (I) is in amperes, voltage (V) is in volts, and the resulting apparent power ( S) is in kilovolt-amperes or kVA. Read more
kVA To Amps Calculator (With Table)
| kVA (Apparent Power) | Voltage (220 V) | Amperage (A) |
|---|---|---|
| How many amps is 10 kVA? | 220 V | 45.45 Amps |
| How many amps is 20 kVA? | 220 V | 90.91 Amps |
| How many amps is 30 kVA? | 220 V | 136.36 Amps |
| How many amps is 45 kVA? | 220 V | 204.55 Amps |
| kV•A | kW | 208V |
|---|---|---|
| 750 | 600 | 2080 |
| 875 | 700 | 2430 |
| 1000 | 800 | 2780 |
To give you an idea, a domestic supply, single phase with a 100A fuse will supply 23kW/kVA, a 3 phase supply with a 100A fuse will be able to supply 69kW/kVA. Read more
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