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Low power factor is primarily caused by the quality of the supplied electricity and electric motors. Every motor tends to generate electrical energy, which produces reactive power. Reactive power is electrical energy that is not converted into the actual work of appliances but into thermal energy. This leads to overheating of wires, reduced device lifespan, and increased electricity consumption.
Electrical appliances with an inductive nature connected to the power grid require reactive power from a physical perspective for their operation. However, as the name suggests, this energy does not perform useful work and instead burdens the distribution system (excessive heating of conductors, thermal losses). This phenomenon can be balanced (compensated) by connecting an oppositely oriented element to the inductance, such as a capacitor.
Currently installed power factor compensation systems focus only on preventing reactive power from being delivered to the distribution network. We focus on solving reactive power issues within the investor's internal network.
Benefits of power factor compensation:
- Reduced cable overheating
- Lower electricity consumption
- Extended lifespan of electrical wiring
- Protection of installed equipment
- Reduction of penalty charges
We recommend conducting an analysis of your facility for accurate savings calculations.
Compensation Switchboard
- Classic (Unprotected) - Equipped with capacitors, contactors, and a regulator. This switchboard is suitable for operations where there is not a significant harmonic distortion, and the switching speed of contactors is sufficient.
- Protected Compensation Switchboard - Unlike classic compensation, capacitors are preceded by protective reactors. These are installed in facilities with increased harmonic distortion caused by nonlinear appliances such as frequency converters, discharge and fluorescent lamps, controlled drives, welders, etc.
- Thyristor (Fast) Compensation - Traditional contactors are replaced by semiconductor modules, which, in combination with a special reactive power regulator, can switch up to 17 times per second. These are commonly used in the automotive industry, where two-phase welders (spot welders) dominate, but also in smaller locksmith operations and generally in applications with rapid load current changes (cranes, cable cars, elevators, electric excavators, etc.). These so-called contactless compensations are also used where "clean" switching is required (telecommunications), eliminating the propagation of transient phenomena in the network caused by switching with traditional contactors.
- Decompensation Switchboard - Used to eliminate capacitive power in the electrical network (large premises, airports, railway stations, PV plants, where high-voltage cables cover large distances). A cascade of decompensation reactors is switched by contactors and controlled by a regulator. Sometimes reactors need to be combined with capacitors.
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