Frequency support properties of the synchronous power control for grid-connected converters
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Grid-connected converters with primary frequency control and inertia emulation have emerged and are promising for future renewable generation plants because of the contribution in power system stabilization. This paper gives a synchronous active power control solution for grid-connected converters. As design considerations, the virtual angle stability and transient response are both analyzed, and the detailed implementation structure is also given without entailing any difficulty in practice. The analysis and validation of frequency support characteristics are particularly addressed. The 10 kW simulation and experimental frequency sweep tests on a regenerative source test bed present good performance of the proposed control in terms of showing inertia and droop characteristics, and the controllable transient response is also demonstrated.
CitacióZhang, W., Remon, D., Rocabert, J., Luna, A., Candela, J., Rodriguez, P. Frequency support properties of the synchronous power control for grid-connected converters. A: IEEE Energy Conversion Congress and Exposition. "ECCE 2016: IEEE Energy Conversion Congress and Exposition: Milwaukee, USA: Sept. 18-22, 2016". Milwaukee: 2016, p. 1-8.
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