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There are various formula of load calculation. Power equals current multiplied by the voltage. Power can also be computed by multiplying the resistance by the square of the current.
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What is the formula of active power?
For a single-phase system, active (or 'true') power is the product of the supply voltage, the load current, and the power factor of the load.
What size wire do you need for a 208 volt 3 phase load that draws 10.5 amps?
The size of conductor needed will be a #14. It should be copper and have an insulation factor of 90 degrees C. The fact that it is a three phase load does not enter into the calculation of the wire size.
Calculation of peak value for ac signal?
The peak value of a sinusoidal ac signal is RMS voltage divided by 0.707, or two times the square root of two. Note: AC signals are rarely truly sinusoidal, because power supplies rarely pull a consistent load for the full duty cycle. (They pulse.) This introduces harmonics in the signal, which cause error in the above calculation but, unless the harmonics are extreme, the calculation is close.
What is the formula for phase angle?
Phase angle is defined as the angle by which the load current leads or lags the supply voltage in an AC circuit. There are numerous ways to calculate a circuit's phase angle, so there is no 'formula' as such. For example, if you know a load's resistance and impedance, or its true power and apparent power, then you can use basic trigonometry to calculate the phase angle, and so on.
What is the formula to calculate secondary current?
The secondary current is calculated by dividing the secondary current by the impedance of the load. This value shouldn't exceed the secondary-winding's rated current except for short periods of time.
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get someone else to do it
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Formula
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A formula.
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650 kg/cum - For volume / power calculation 1600 kg/cum - For Load calculation
For voltage drop calculation you must use the current of the circuit breaker or the normal currents?
For voltage drop calculation you must use the current of the load and the distance of the load from the supply source. The circuit breaker is then used to limit the current to the rating of the wire that feeds the load.
Is there a calculation to figure deadrise?
The degree is based on the design method and the area of operation. there is no fixed formula for its calculation
