Three phase Amp to kW Converter. Back to basic, below are the simple Electric Power formulas for Single Phase AC Circuit, Three Phase AC Circuits and DC Circuits. x I L) / 1000 Where V L and I L are the RMS value of the applied line voltage and line current respectively and P.F. To calculate Kilovolt-amps (kVA), select single phase or three phase connection from the drop down, and convert the KVA calculation for Volts (V) and Amps (A). The Wye configuration is used to distribute power to everyday single-phase appliances found in the home and office. The power supply available is 230V single or three phase. Calculation of AC three Phase amps to Kilowatts Line to line Voltage P (kW) = √3 x PF x I (A) x V L-L (V) / 1000, which means that the power in Kilowatts is calculated by the square root of three multiplied by the power factor times the phase current in amps by the line … 2. Amps (AC single phase) to kW formula: P(kW) = PF × I(A) × V(V) / 1000. Learn other top 100 useful Basic Electrical Engineering formulas DC Calculation formula Calculate the total 3-phase power, or "Ptotal," by adding the power of each phase together: Ptotal = P1 + P2 + P3. Amps (AC three phase) to kW formula: Line to line voltage. The formula to convert kVA to amps in a three-phase circuit looks like this: Current (A) = Power (kVA) × 1,000 √3 × Voltage (V) So, amps are equal to 1,000 times the power in kVA divided by the square root of 3 (1.732) times the voltage. Power (P) in kilowatts equal to Power Factor (PF), multiplied by current I (A) amps, multiplied by voltage in (V) volts divided by 1000. Solution: The apparent power is So our motor power is 15KW with 15 x 1000 = 15000 Watts. Example: the following figure presents a nameplate of a three phase transformer. Reply. The equation to calculate current in 2 φ circuits is identical to the 1 P with the difference of factor 2 in the denominator. If i have a power of 11.5 kW and voltage of 400V, what size circuit breaker is needed for three-phase system. So for a 400V 400 Amps and a power factor of 0.8 = 160,000 Volt x Amps and 128,000 watts at 0.8 PF Hi, i'm a little confused about the way to calculate the amp of the circuit breaker for a three-phase system. For calculating three-phase formula we need to multiple by 3. Scan the row to the left and find the KVA and KW … Power (3-phase) = kW, therefore per phase = kW/3 kVA per phase = kW per phase / power factor = kW / (3 x pf) Phase Voltage = VLL/√3 The following formula calculates total power in a three-phase system based on KW and KVAr or voltage and current. Divide by 1000 for Kw. Single & Three Phase Line kVA calculator is an online tool used in electrical engineering to measure the unknown quantity by two known quantities applied to the below formulas for single phase and three phase connection. just a quick one guys, forgotten how to do the calc to convert 3 phase kw to amps. Figure 7 – Delta connection – three phase, three wires. 1. Go back to Three phase power measurements ↑ Wye and Delta comparison. The simple formula to calculate the rating of three phase Transformers is: KVA = (√3. It means that the phase current in amps is computed by 1000 multiplied by the power in kilowatts divided by the square root of three multiplied by the power factor times the line to line voltage RMS in volts. How to convert kilowatts (kW) to amps. Using the aforementioned formula… i.e if a machine stated 25kw 3 phase, what would the current per phase being drawn be? This will equal 28.350 KW. Seriously, depending on the application this could be very dangerous. The kW in your formula is the three phase kW, so I think you should be using 746 (not 249). ... Sir i have lode 132 kw three phase witch size mm cable proper work. Here volt is an electrical pressure and amp is an electrical current. The diagram and table below can be used to convert amperage between single phase and three phase equipment and vice versa. Use our online Single, Three Phase kVA Calculator to find the KVA value. In this post, you'll learn the formulas to find amps from kW in dc, single phase ac, and three phase ac circuits. P(kW) = √3 × PF × I(A) × VL-L (V) / 1000. 3 phase motor current calculation formula is P/(√3xVxPfxEff) or P/(1.732xVxPfxEff) Both are the same.
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