## What is the formula of 3 phase power?

3-Phase Calculations For 3-phase systems, we use the following equation: kW = (V × I × PF × 1.732) ÷ 1,000.

**How do you calculate power in a 3 phase motor?**

Calculate three-phase motor power consumption by multiplying amps by volts by the square root of three (W = AV(sqrt 3). For example, if the motor is drawing 30 amps at 250 volts, you have 30 x 250 x sqrt 3 (about 1.73) = 12,975 watts).

**How many KVA is 100 amps 3 phase?**

Note : The conversions of the previous table were made taking into account a voltage of 220V, with a three-phase AC power….Amp. to kVA, table for conversion, equivalence, transformation (Voltage = 220, AC, 3F):

How many Amps are: | Equivalence in kVA |
---|---|

70 Amps | 26.67 kVA |

80 Amps | 30.48 kVA |

90 Amps | 34.29 kVA |

100 Amps | 38.11 kVA |

### How do I calculate KVA?

Calculate power rating in kilovolts-amperes, or “KVA,” when you know voltage and current rating. Use the formula: P(KVA) = VA/1000 where P(KVA) is power in KVA, V is voltage and A is current in amperes. For example, if V is 120 volts and A is 10 amperes, P(KVA) = VA/1000 = (120)(10)/1000 = 1.2 KVA.

**How do you calculate current in 3 phase?**

Summary. By remembering that a three phase power (kW or kVA) is simply three times the single phase power, any three phase problem can be simplified. Divide kW by the power factor to get the kVA. VA is simply the current times the voltage, so knowing this and the voltage can give the current.

**What is the formula of phase current?**

Electrical Formulae for Calculating Amps, Horsepower, Kilowatts, & KVA

To Find… | Direct Current | Alternating Current |
---|---|---|

Three Phase | ||

Amperes when Horsepower is known | HP x 746 E x EFF | HP x 746 E x EFF x PF x 1.73 |

Amperes when Kilowatts are known | KW x 1000 E | KW x 1000 E x PF x 1.73 |

Amperes when “KVA” is known | KVA x 1000 E x 1.73 |