Not enough information. Power = current x voltage. Since voltage can be anything, there is no way to calculate power. Time is irrelevant; though once you have the power, it can help you calculate energy (energy = power x time).
Apparent power is the vector sum of a load's true power and its reactive power. If you draw a 'power diagram', the phase angle will be the angle between the true power and the apparent power. If true power is fixed, then increasing the phase angle will result in a greater value of apparent power.
In a non-reactive ckt, a simple measurement with an AC voltmeter is all that is needed. In a reactive ckt, you must first address power factor, which can be metered also, and combined with the apparent voltage as above to calculate true rms.
output power/Rated power
No way. The Power only manifests itself in the true blood. If you're not of true blood you can't be a conduit of the Power
I suggest you calculate both sides, then check whether they are equal.
How do you calculate 3ph AC motor power?
To be able to calculate a mi to the second power you need to
You can't "calculate" it...
With a DC, we only have to consider the resistance of the load when we calculate power. However, with AC, we must also consider reactance (inductive reactance and/or capacitive reactance) when we calculate power. In fact, we need to consider three 'types' of power: true power, reactive power, and apparent power:True power describes the rate at which energy is dissipated by the resistive component of the circuit. This energy cannot be restored. We measure true power in watts.Reactive power describes the rate at which energy is temporarily stored in the magnetic field (inductive component) or electric field (capacitive component), and returned to the source when the field collapses. We measure reactive power in reactive volt amperes.Apparent power is the net rate of transfer of energy, and is the vector sum of true and reactive power. We measure apparent power in volt amperes.To find the true power of the circuit, you can use a wattmeter. To measure the apparent power of the circuit, it is simply the product of the supply voltage and load current. You will need to vectorially subtract the true power from the apparent power to determine the reactive power.A very important ratio used in AC power calcuations is (true power)/(apparent power), and this is called power factor -it corresponds to the cosine of the angle (phi) by which the load current lags or leads the supply voltage.Simple vector analysis will reveal that the true power = U I cos (phi)
If you know the power you do not need to calculate it by anything. And if you don't, the answer will depend on what measure you do know!
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If you have 3 to the power 2 to the power 2, without any parentheses, you have to calculate from right to left. In this case, calculate 2 to the power 2; then calculate 3 to the power (whatever the result you get). If there are parentheses, do the calculation in parentheses first.
This applies to industrial lighting, where the lamps are not necessarily incandescent and, therefore, do not represent a resistive load.In order to calculate the power factor, you need to determine some values by measurement.To keep the maths simple, we'll have to assume a balanced load.Using an ammeter and a voltmeter, you can use their results to determine the apparent power. Using an appropriate wattmeter connection, you can determine the true power.The power factor is then the ratio of the true power to the apparent power.
This calculation will give you the ratio, in decibels, between two power values. For example, you can calculate the difference in dB between two amplifiers with different power output specifications calculate in dB Power Ratio.
Usually there is not.
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