0
As power factor is the cosine of the load's phase angle (the angle by which the load current lags or leads the supply voltage), it is impossible for power factor to exceed unity (1), so your question doesn't really make any sense.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What is standard power factor value?
The power factor measures the phase difference between a current and a voltage waveform. Power factor ranges from zero to one. A power factor of 1 is for a pure resistive load. Power factor decreases for loads like motors with high inductance. Power factor comes into play when determining the watts used by a device. Watts = Volts x Amps x PF. So ideally for efficiencies sake, you want to keep the PF as close to one as possible.
What mean power factor 0.26 lead?
When looking at power factor, it is the ratio of watts (true power) to VA. The power factor is how we measure power systems. A person with a low power factor like .26 will have a higher electricity bill.
How many kw in 70kav?
The power in watts equals the VA times the power factor. For a resistive load like a convector heater or an iron the power factor is 1 For other things like motors the power factor might be 0.7. A poor power factor is not a good thing because more current is needed from the supply to produce a given amount of power, so that requires thicker wires (more expensive). For a power factor of 1, 70 kVA = 70 kW For a power factor of 0.7, 70 kVA = 50 kW.
How do you assumed power factor?
Power Factor is a maximum of one when the voltage and current in an AC waveform are in phase. Since power in watts is equal to voltage x current x power factor, you get maximum wattage with power factor = 1. This occurs with a pure resistive load. When you power an inductive load like a motor the power factor decreases and so does the delivered power. That is why motors are typically rated in VA, or volt-amperes rather than watts. So y Ou can assume power factor = 1 when you have a load measured in watts like a light bulb or space heater and perhaps in the .75 range for an inefficient motor.
How much is 120 amps converted into watts?
Watts = Volts x Amps x Power Factor Power Factor comes into effect when you have loads like motors and is between 0 and 1 with 1 being a pure resistive load. If you are talking house voltage which is nominally 120 Volts then 120 * 120 = 14,400 watts
What does mean power?
In an AC circuit the power is often less than the voltage times the current, and the power factor describes how much less. A resistive load has a power factor of 1 but an induction motor might have a power factor of 0.7 so the power is equal to the volts times the amps times 0.7. Power companies do not like a poor power factor because it places an undue load on the power system that the companies receive no revenue for, because consumers are normally billed for the true energy consumed. High-power users like factories may be billed extra if they present a poor power factor, which might induce them to improve the power factor.
How high are baseball's hit?
As high as you like depending on your srength and power.
What happen to the voltage regulation and transmission efficiency when power factor of receiving end is increased?
When the power factor is 1, that is neither capacitive or inductive, the load does not have reactance that impedes current flow. Power companies like that.
What is necessity of power factor?
Power factor of a system indicates what portion of the total power(Apparent Power) supplied by a System can be utilized for useful purposes(Real Power) and what portion is necessary for maintainance of the system(Reactive Power) Real Power=Apparent Power X power factor Reactive Power= [Apparent Power2 - Real Power2]1/2 This reactive power is used for maintaining the electric and magnetic fields associated with circuit components. Components like inductors & capacitors dissipate zero power but their is a voltage drop across them, creating a effect as if they are infact dissipating power. This power which is associated with the electric and magnetic fields is the Reactive or Phantom Power. Low Power factor implies less useful power is available and the power stored in the loads, which is returned back to the source, forms a major portion. If the elements of power grid do not get the required Reactive Power from nearby sources, they draw this power from transmission lines and destabilize the system. Electric billing is also based on power factor value. Lower the power factor, lower the bill. So while the supply company gives strict instructions to maintain power factor within certain limits, some consumers intentionally try to manipulate the power factor(by using lot inductive loads) for lower billing. There are provision to detect such practices and heavy penalties are levied on such consumers.
How do you calculate the amperage given the watts and voltage?
Amps = Watts / (Volts x Power Factor). The Power Factor is one for resistive loads and decreases for inductive loads like motors.
how did feel?
like he has very high power (which he does), but not selfish
What is LPF?
LPF is Low power factor, which is used to calculate overall power in VA (voltamps) kind of like calculating overall power in watts.
