Modern Methodology Introducing for Three Layers Intelligent Universal Transformers in Advanced Distribution Automation Equipping Pi Voltage and Current Source Controllers
Keywords:
ADA, IUT, IED, DERAbstract
Intelligent Universal
Intelligent Universal
Transformer (IUT) is a multifunctional transformer accounts
as an Intelligent Electronic Devices for the tomorrows
Advanced Distribution Automation (ADA). IUT is a HV power
electronic base transformer with full monitoring and control
ability is introduced instead of traditional current transformer.
HV oil free transformer utilization in IUT results in size and
weight reduction, oil pollution elimination and maintenance
free equipment. PI current source controller senses the input
current of IUT and holds it in phase with input voltage to
prevent harmonic distortion. In output stage, PI voltage source
controllers regulate the output voltages result in favourable
desired outputs and improve the performances under load and
source disturbances. Automatic sag correction, DC voltage
option, real time voltage regulation, reliable diverse power as
400Hz service, three-phase power from a single phase line,
Harmonic Filtering, Flicker mitigation, options for energy
storage and dynamic system monitoring are the resulting
benefits of proposed control fashion and three layers IUT
model.
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