Contributions for compliance testing of inverterbased resources using hardware in-the-loop
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2023-08-07Autor
Bortolini, Ricardo Jochann Franceschi 
Primeiro orientador
Michels, Leandro
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Renewable generation through inverter-based resources (IBR), such as solar photovoltaic (PV)
and wind power, is the fastest-growing energy source worldwide. Many utility-scale PV and
wind farms have been built using multi-megawatt size inverters, which are directly connected
to the bulk power system (BPS). This application demands detailed system studies to evaluate
the impact of those IBR operating into the power grid, as well as compliance testing of the
inverters for assurance of their security and performance. Nowadays, the compliance testing of
those equipment is performed using fully assembled inverters in an accredited laboratory.
However, there are only a few laboratories worldwide qualified to test this kind of equipment,
since the testing setup for multi-MW size inverters is large and expensive. Due to this, many
efforts are being performed to the development of hardware in-the-loop (HIL) for compliance
testing of IBR. In this approach, HIL is being used for real-time simulation of power converters
and power system, allowing the testing of control and protections performance at any power
range. This work presents a contribution in the classification of HIL and power HIL (PHIL)
testing, as well as proposes complementary requirements for compliance testing using hardware
in-the-loop (THIL) to obtain results with similar confidence with full-power equipment testing
in conventional certification laboratories.
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