Loadலிருந்து Sourceற்கு Power Flow ஆகுமா? Active Power Vs Reactive explained in Tamil.
Reactive power is a concept in electrical engineering that refers to the portion of electrical power in an alternating current (AC) circuit that does not perform useful work but is necessary for the operation of certain electrical devices and the overall stability of the electrical grid. It is expressed in units called volt-amperes reactive (VAR).
In an AC circuit, electrical power consists of two components:
Active Power (Real Power): This is the portion of power that performs useful work, such as powering appliances, lighting, motors, and other devices. It is measured in watts (W).
Reactive Power: This is the portion of power that does not do useful work but is required to maintain voltage levels and enable the operation of inductive loads like electric motors, transformers, and fluorescent lighting. It is measured in volt-amperes reactive (VAR).
Reactive power arises primarily due to the phase difference between the voltage and current waveforms in an AC circuit. In AC circuits with inductive or capacitive components, the voltage and current waveforms can be out of phase with each other. When voltage and current are out of phase, reactive power is needed to establish and maintain the electromagnetic fields associated with these components.
Utilities and power systems must carefully manage reactive power to maintain voltage stability and ensure the reliable operation of the electrical grid. They often use devices like capacitors and inductors, called power factor correction devices, to help balance the reactive power in the system and improve power factor, which is a measure of how efficiently electrical power is being converted into useful work.
In summary, reactive power is the non-working component of electrical power in an AC circuit that is required for the proper functioning of inductive loads and the stability of the electrical grid. It is measured in volt-amperes reactive (VAR) and is distinct from active power, which performs useful work.
Reactive power is a concept in electrical engineering that refers to the portion of electrical power in an alternating current (AC) circuit that does not perform useful work but is necessary for the operation of certain electrical devices and the overall stability of the electrical grid. It is expressed in units called volt-amperes reactive (VAR).
In an AC circuit, electrical power consists of two components:
Active Power (Real Power): This is the portion of power that performs useful work, such as powering appliances, lighting, motors, and other devices. It is measured in watts (W).
Reactive Power: This is the portion of power that does not do useful work but is required to maintain voltage levels and enable the operation of inductive loads like electric motors, transformers, and fluorescent lighting. It is measured in volt-amperes reactive (VAR).
Reactive power arises primarily due to the phase difference between the voltage and current waveforms in an AC circuit. In AC circuits with inductive or capacitive components, the voltage and current waveforms can be out of phase with each other. When voltage and current are out of phase, reactive power is needed to establish and maintain the electromagnetic fields associated with these components.
Utilities and power systems must carefully manage reactive power to maintain voltage stability and ensure the reliable operation of the electrical grid. They often use devices like capacitors and inductors, called power factor correction devices, to help balance the reactive power in the system and improve power factor, which is a measure of how efficiently electrical power is being converted into useful work.
In summary, reactive power is the non-working component of electrical power in an AC circuit that is required for the proper functioning of inductive loads and the stability of the electrical grid. It is measured in volt-amperes reactive (VAR) and is distinct from active power, which performs useful work.
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