Power Quality Improvement & Regenerative Unit
Amtech is manufacturing active front - end converter in India to serve the power quality improvement. Plants experience increase in power pollution day by day due to the use of non-linear equipment such as variable frequency drives, rectifiers, DC drives, induction furnaces etc. These non-linear loads drawn non-sinusoidal current from a sinusoidal voltage source, thus creating current distortion. Current distortion can result in voltage distortion and the spread of power pollution wherever that voltages supplied.
Range:
11 kW (15 HP) to 1000 kW (1340 HP)
Wherever there is a 6-pulse rectifier at the input of variable frequency drive, UPS or there is a 6- pulse rectifier supplying the common DC link to which number of variable frequency drives are connected, the input harmonic distortion of current is 62%. Due to presence of harmonics the effective power factor (which is a product of displacement factor and distortion factor) is less (of the order of 0.8). If variable frequency drives has regenerative load like centrifuge or lift lot of power is dissipated in dynamic braking resister across the DC link. Active Front End converter (AFC) can take care of these three problems in totality due to its capacity to work in four quadrants.
Amtech's Axpert-AFC (Active Front End Converter) offers all these advantages and can serve many applications such as:
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