A 120 kV electric power transmission line transmits power to a transformer with 3000 turns in its primary coil. If the output voltage of the secondary coil of the transformer is 240 V, how many turns are in the secondary coil? A. 6000 B. 6 C. 60 D. 600 How many joules of energy ...
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Calculate the PCB trace inductance, or "L," using the formula L = Zo * DLY. Using the example numbers: L = 20 x 10^-3 * 12 x 10^-12 = 240 x 10^-15 henries or 0.24 pH, where pH is units of picohenries. Traces on PCBs are small and therefore have small inductance levels....
To convert to kVA, substitute the power in kW and the equipment power factor in the formula above. For example,let’s find the apparent power in kVA for a 10 kW electric motor with a power factor of 0.8. S(kVA)= 10 kW ÷ 0.8 ...
Transformer nameplate Calculation of kW – True Power Single phase kilowatts, For single-phase, kW can be calculated using the following formula. Single-phase – kW = (Voltage X Current X Power factor)/1000 Three-phase kilowatts For three-phase, kW can be calculated using the following formu...
How many amps can a 500 kVA transformer supply? Here is the formula for converting the transformer capacity into the current. Single-phase is different from three phase. Single-phase transformer: The rated capacity is divided by the rated voltage, and then multiplied by 1000, which is the rat...
Kilovolt-amps, abbreviated as kVA, is the typical unit of measure for what is called apparent power. Apparent power is the amount of electrical power produced by an electrical system at a particular applied voltage and current. Following the Ohm's law formula, we can obtain the amount of ele...
-For large-capacity products, the high-voltage windings are wound by "band winding" technology -The application of these methods causes the electric field between adjacent conductors to be very low -The transformer has...
When dual inputs is used: • Separate Neutral conductor is necessary to be supplied for each input: Common Mains Input and Auxiliary Mains Input • The two inputs should be supplied by the same MV/LV transformer source. If this is not the case, an insulation transformer should be added...
Electrical steel- Also called lamination steel, silicon electrical steel, silicon steel or transformer steel, is specialty steel tailored to produce certain magnetic properties, such as a small hysteresis area (small energy dissipation per cycle, or low core loss) and high permeability. ...