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Differences between active energy and reactive energy

Differences between active energy and reactive energy

In our electricity bills, two of the concepts that are charged to final consumers are active energy and reactive energy. Below we present what each one consists of, and thus understand how they differ.

Active energy

Active energy is that which is withdrawn from the networks of the Interconnected System by users, whose electricity is used for the operation of machinery, instruments, or any other device connected to the electrical network. In other words, active energy is that which is used by the user of electricity to carry out everyday actions, whether for the operation of a legal entity, or for household consumption.

Reactive energy

Once the devices connected to the electrical network consume active energy to be able to function, this same operation in turn generates energy that is not electrical energy, but reactive energy. This means that the reactive energy is generated by the very use of the devices, which is returned to the electrical network from which the active energy was initially obtained.

In a little more technical words, reactive power arises from the desynchronization of electrical voltage and current in AC systems, which causes losses, although it helps keep the target voltage at a certain level and can be reduced by placing capacitors across it. the destination of the cargo.

Why are end users charged for reactive energy, if it is not consumed?

Reactive energy is charged because it is transported from the device that produces it to the network, and this transport has a cost that must be assumed by the user.

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