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IREM Voltage Stabilisers Sterostab Y328

The new Sterostab Y328 are very compact high power voltage stabilisers.
See model Y328AN4200, rated 4200 kVA with ±10% input voltage range, made of three cabinets mm 1100x1270x1950h each, characterised by natural air cooling – fan-free system (total absence of fans).

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POWER QUALITY. Variable Harmonics

The voltage and current harmonics superimposed on the fundamental have combined effects on the equipment and devices connected to the electrical network. Some non-linear loads determine a harmonic content distributed over a very wide spectrum, therefore variable both in the harmonic order and in the intensity.

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POWER QUALITY. Harmonics in electric Power Supply

The harmonics in electrical systems are electrical currents or sinusoidal electrical voltages that have a frequency equal to an integer multiple of the frequency of the distribution system, called the fundamental frequency. By overlapping the Fundamental Current and the Fundamental Voltage respectively, they cause the distortion of the waveform.

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POWER QUALITY. Voltage imbalances

Voltage imbalances are one of the most common Power Quality problems in three-phase electrical networks. Being often overlooked, they can cause serious damage to electrical and electronic equipment.

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Power Quality. The problem of the voltage variation

With the advent of new technologies and new sources of renewable energy, the quality of the power supply has become a very important element for the proper functioning of electrical and electronic equipment that requires power supply with constant and unperturbed parameters. For these reasons, Power Quality is characterized by an increasing importance both in the industrial sector and in the service sector.

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