Looking Good Triangle For Power
One can relate the various components of AC power by using the power triangle in vector space.
Triangle for power. The power factor of a load in an AC circuit is the ratio of real power to apparent power. Real power extends horizontally in the î direction as it represents a purely real component of AC power. Hence the power factor is equal to 1 Cos01 because the reactive power equals zero.
The power triangle graphically shows the relationship between real P reactive Q and apparent power S The power triangle also shows that we can find real P and reactive Q power given S and the impedance angle θ. Electrical power consumed in an AC circuit can be represented by the three sides of a right angled triangle known commonly as a power triangle We saw in our tutorial about Electrical Power that AC circuits which contain resistance and capacitance or resistance and inductance or both also contain real power and reactive power. Instead we use a power triangle as shown in Figure 73.
Base Perpendicular and Hypogenous of this right angled triangle denotes the Active Reactive and Apparent power respectively. The power factor is the cosine of the phase angle between the. Active or true power refers to the entire amount of power dissipated in an electrical circuit.
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Consider the Power Triangle. Real Power P - Real power is expressed in Watts W. The inductive and capacitive load draws a reactive power from the.
There are many combinations of electrical load like pure resistive inductive capacitive or combination of RLRCRLCLC etc. To build the triangle start with 1 at the top then continue placing numbers below it in a triangular pattern. Complex power denoted by S is the vector sum of real power and reactive power.