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The kVA (kilovolt ampere) is the vector sum of real + reactive power in an AC circuit. The kW (kilowatt) is a measure of the real power in that circuit. Inherently, a circuit will not require only real power, but also reactive power. Thus kVA is a more meaningful value when considering sizing equipment (such as Transformers, bus work, breakers, etc.) because this equipment must be sized for the total current drawn, not just the real power usage.
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What is 350 amp in KVA?
To convert amps to kilovolt-amperes (kVA), you can use the formula: kVA = (Amps × Voltage) / 1000. The voltage level is essential for the calculation, as kVA is a function of both current (in amps) and voltage (in volts). For example, at a voltage of 400V, 350 amps would be approximately 140 kVA (350 × 400 / 1000). Without the voltage value, the kVA cannot be accurately determined.
How many KVA in a 3 phase 4 wires 3x230 400V 40 100A 50Hz?
To calculate the kVA for a 3-phase system, you can use the formula: kVA = √3 × Voltage × Current / 1000. For a 3-phase system with a line voltage of 400V and a current of 100A, the calculation would be: kVA = √3 × 400V × 100A / 1000 ≈ 69.28 kVA. Therefore, the system is approximately 69.28 kVA.
What is the kva rating of a transformer that has a secondary winding that's delivering 10 amps at 480 vac?
To calculate the kVA rating of the transformer, you can use the formula: kVA = (Voltage × Current) / 1000. In this case, the secondary winding delivers 10 amps at 480 volts. Therefore, the kVA rating is (480 V × 10 A) / 1000 = 4.8 kVA.
What is 360kw in kva?
To convert kilowatts (kW) to kilovolt-amperes (kVA), you can use the formula kVA = kW / power factor. If we assume a typical power factor of 0.8, 360 kW would be approximately 450 kVA (360 kW / 0.8 = 450 kVA). If the power factor is different, you would need to adjust the calculation accordingly.
What should be the rating of the transformer in KVA to cater to 55KW motor?
To determine the transformer rating in KVA for a 55 kW motor, you can use the formula: KVA = KW / Power Factor. Assuming a typical power factor of 0.8 for motors, the calculation would be KVA = 55 kW / 0.8 = 68.75 KVA. It's advisable to round up, so a transformer rated at 75 KVA would be appropriate to ensure adequate capacity.
1 12hp motor takes what kva?
12HP is approximately 10.8 KVA. You would want to use a 15KVA transformer to supply this motor. KW = HP * .75 KVA = KW * 1.2 (These formulas are approximate)
How many KVA is needed for a 200A panel?
To determine the KVA needed for a 200A panel, you can use the formula KVA = (Voltage x Amperage)/1000. Assuming a standard voltage of 120V, the KVA would be 24 KVA (120V x 200A / 1000 = 24 KVA).
How do you convert 208 v 2160 Amperes to KVA?
To convert amps to kVA, you use the following formula: Amps = (kVA x 1000 / voltage) / 1.73
What is 350 amp in KVA?
To convert amps to kilovolt-amperes (kVA), you can use the formula: kVA = (Amps × Voltage) / 1000. The voltage level is essential for the calculation, as kVA is a function of both current (in amps) and voltage (in volts). For example, at a voltage of 400V, 350 amps would be approximately 140 kVA (350 × 400 / 1000). Without the voltage value, the kVA cannot be accurately determined.
How many KVA in a 3 phase 4 wires 3x230 400V 40 100A 50Hz?
To calculate the kVA for a 3-phase system, you can use the formula: kVA = √3 × Voltage × Current / 1000. For a 3-phase system with a line voltage of 400V and a current of 100A, the calculation would be: kVA = √3 × 400V × 100A / 1000 ≈ 69.28 kVA. Therefore, the system is approximately 69.28 kVA.
What is 63 Kva generator power to watts?
It could be as much as 63 kW (63,000 Watts) into a load with a power factor of 1.0. For other loads, multiply the kVA by the power factor.
What is the kva rating of a transformer that has a secondary winding that's delivering 10 amps at 480 vac?
To calculate the kVA rating of the transformer, you can use the formula: kVA = (Voltage × Current) / 1000. In this case, the secondary winding delivers 10 amps at 480 volts. Therefore, the kVA rating is (480 V × 10 A) / 1000 = 4.8 kVA.
What is 360kw in kva?
To convert kilowatts (kW) to kilovolt-amperes (kVA), you can use the formula kVA = kW / power factor. If we assume a typical power factor of 0.8, 360 kW would be approximately 450 kVA (360 kW / 0.8 = 450 kVA). If the power factor is different, you would need to adjust the calculation accordingly.
What would be the kva for a heat pump?
The kVA (kilovolt-ampere) rating for a heat pump depends on its capacity and efficiency. To calculate the kVA, you can use the formula: kVA = (kW / Power Factor). A typical residential heat pump may range from 3 to 10 kVA, depending on the size and efficiency ratings. It's important to check the manufacturer's specifications for the specific heat pump in question to obtain the accurate kVA rating.
How do you change ac tonnage to kva and kw?
To convert AC tonnage to kVA and kW, use the following formulas: For kVA: kVA = (tonnage x 3.517) For kW: kW = (tonnage x 3.517 x power factor). Remember to consider the power factor of the system when converting from tonnage to kVA and kW.
What is the KVA needed to run 55KW motor?
To determine the KVA needed to run a 55 kW motor, you can use the formula: KVA = KW / Power Factor. Assuming a typical power factor of 0.8 for motors, the calculation would be KVA = 55 kW / 0.8 = 68.75 KVA. Therefore, approximately 68.75 KVA is needed to run the 55 kW motor. Adjust the power factor accordingly if you have a specific value for your motor.
What should be the rating of the transformer in KVA to cater to 55KW motor?
To determine the transformer rating in KVA for a 55 kW motor, you can use the formula: KVA = KW / Power Factor. Assuming a typical power factor of 0.8 for motors, the calculation would be KVA = 55 kW / 0.8 = 68.75 KVA. It's advisable to round up, so a transformer rated at 75 KVA would be appropriate to ensure adequate capacity.
