Performance tests of a power-electronics converter for multi-megawatt wind turbines using a grid emulator

The Science of Making Torque from Wind

Averous, Nurhan Rizqy^1,2 ; Berthold, Anica^1,3 ; Schneider, Alexander^4 ; Schwimmbeck, Franz^4 ; Monti, Antonello^1,3 ; De Doncker, Rik W.^1,2

Center for Wind Power Drives, RWTH Aachen University, Aachen, Germany^1

Institute for Power Generation and Storage Systems, E.ON Energy Research Center, RWTH Aachen University, Aachen, Germany^2

Institute for Automation of Complex Power Systems, E.ON Energy Research Center, RWTH Aachen University, Aachen, Germany^3

Siemens AG, Ruhstorf a. d. Rott, Germany^4

关键词: Attractive solutions;    Current harmonics;    Device under test;    Fault ride-through (FRT);    Performance analysis;    Performance tests;    Power electronics converters;    Power hardware in the loops;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/753/7/072015/pdf
DOI  :  10.1088/1742-6596/753/7/072015

来源: IOP

【 摘 要 】

A vast increase of wind turbines (WT) contribution in the modern electrical grids have led to the development of grid connection requirements. In contrast to the conventional test method, testing power-electronics converters for WT using a grid emulator at Center for Wind Power Drives (CWD) RWTH Aachen University offers more flexibility for conducting test scenarios. Further analysis on the performance of the device under test (DUT) is however required when testing with grid emulator since the characteristic of the grid emulator might influence the performance of the DUT. This paper focuses on the performance analysis of the DUT when tested using grid emulator. Beside the issue regarding the current harmonics, the performance during Fault Ride-Through (FRT) is discussed in detail. A power hardware in the loop setup is an attractive solution to conduct a comprehensive study on the interaction between the power-electronics converters and the electrical grids.