However, this can be automatically converted to compatible units via the pull-down menu. Power (P): The calculator returns the power in watts (W). ( d) Distance over which Force is Applied.INSTRUCTIONS: Choose units and enter the following:
All the values related to power factor and its correction are displayed to you in no time.Ī cherry on the cake? CalculatorHut hosts a wide range of online scientific calculators that solve any query related to the calculation of physics, chemistry, mathematics, vehicles, finance, etc.The Power calculator computes the power based on the Force (F), distance (d) and the time (t). If you are looking for an all in one solution that calculates the power factor, apparent power, reactive power, and the value of correction capacitor at a go, CalculatorHut’s Power Factor calculator fits the purpose just right! All that you need to do is enter the value of real power, current, and voltage for either a single phase circuit or a three-phase circuit, and then click ‘Calculate’. Power factor correction needs the calculation of capacitance value of power factor correcting capacitors, which is also a time consuming and numerically loaded task. Besides, when studying three-phase loads, the number of formulae and calculations get more than doubled. The calculator accepts angular speed in RPM (rounds per minute) and the conversion to radians per second is a simple. Power factor calculation involves many complex calculations. Here are a couple of lame formulae to support the calculations: where P is power (watt or kilowatt), is torque (Nm), is the angular velocity (radians per second), and dot represents the scalar product. Why use CalculatorHut’s Power Factor calculator? Electrical cables and equipment also face lesser burden and will enjoy more durability.When power losses reduce, for the same generating capacity the power suppliers can be able to cater to the electrical needs of more consumers.Lesser power losses mean lesser power being wasted, which means a greener and sustainable power generation and supply.It improves the overall energy efficiency of the circuit.Power factor correction has many more benefits too: These capacitors nullify to their best the effect of inductances of the load causing poor power factor to the circuit. Such capacitors that are devised to improve the power factor of a circuit are called power factor correction capacitors. Hence the remedy is to add capacitance in the circuit for which power factor improvement is needed. The main reason for the power factor is the inherent inductance of electrical equipment. Irrespective of the size and type of the method adopted for power factor improvement, the principle underlying it is the same. There are certain techniques through which companies and customers improve their power factor. Hence, power factor correction is highly needed. Now that we understood that power factor less than one means wastage of electrical supply for utilities or power distribution companies, as well as a burden to consumers as more than required power is drawn by their equipment for which they have to shell out more electrical charges to the power supplier.
This causes a variation in the power supplied and power actually utilized in a circuit. Thus, when power is being supplied into your home or office, all this equipment draws current as per their basic electrical property of inductance and use this current for magnetizing, which does no other real work, and is a mere waste of electrical energy. For now, please understand that electrical equipment that has higher inductance would draw more sudden current due to its magnetic nature. Thus depending on their inductance part, they draw more current. Enter the required inputs such as work and time.
#Power calculator physics how to#
How to calculate power of a device on a calculator The steps to get the power using a calculator are provided-below.
Other formula is Work w (mass/2) ( (m/2) (finalvelocity - initialvelocity). For example, a fan may have lesser inductance part than a water heater or a motor. The formula to calculate work is w force x displacement. In this loop, much electrical equipment comes into the picture – fans, TVs, motors, AC, transformers, washing machines, inverters, air coolers, air humidifiers, refrigerators, iron boxes, water heaters and many more.Īll this equipment contains resistance and inductance in varying proportions. When talking in terms of power factor, the electrical circuit would be in a broader sense – from the power supply station to your home or office or industry. We all know that an electrical circuit is a closed loop with a source of power and the loads or electrical equipment connected to it which utilize the power generated by the source. are and why there exists a gap between the power supplied to the power utilized in an electrical circuit. Now, let us understand what this true power, apparent power, etc.
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