The 4 reasons to have Power Factor Correction
Technical Convenience
The power factor correction reduces the”useless” current that affect lines and power components with the following benefits:
- Optimized dimensioning of the components (transformers, switching devices, cables).
- Reduction of voltage drops along the lines.
- Reduction of losses due to joule effect.
- Reduction of aging components.
Energy Efficiency
Power Factor Correction is widely convenient, both in the case of central and individual compensation, with Pay-Back less than or equal to 2 years.
Economic convenience
In addition to the economic benefits of the items mentioned in paragraph, The Electricity Authorities, force companies distributing electricity to apply financial penalties to utilities that have a substantial contractual power and low energy cos phi (generally 0,9). The correct power factor of the electric plant allows you to avoid those penalties, which often are not reflected in the bill, and then are paid by the final user without even realizing it.
Power Quality
In many industrial electric plants supplied by MT there is a tension considerably distorted, due often to excessive load of MV/LV transformer. The correct Power Factor Correction with a consequent load reduction by the transformer allow to bring it back to the operating conditions within the linearity limits, substantially reducing the voltage distorsion. Furthermore the proper Power Factor reduces the presence of harmonic currents.
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