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An Online Control Strategy for a Modular DC Coupled Hybrid Power System
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| Author(s) |
LINGEMANN Max; ORTJOHANN Egon; MORTON Danny; MOHD Alaa; OMARI Osama |
| Abstract |
This paper describes how different power sources of a hybrid power system may be connected together through a DC bus and then to a grid through a main inverter in such a way that a decoupling between the state variables of the power sources and the state variables of the grid is achieved. A layout showing such a structure will be presented, and an online control strategy for this layout will be developed to show that it is modular, expandable and easily controllable. The behavior of such a structure under different load and meteorological conditions will be investigated by applying the developed control strategy to a simulation model. Moreover, a PV/battery hybrid power system was successfully built up including control functions for the system management. These control functions have been developed and integrated into a standard industrial soft PLC terminal. Finally, the results of the simulation and experimental case study will be introduced and discussed. |
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| Filename: | 0028-epe2007-full-10032562.pdf |
| Filesize: | 810.9 KB |
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| Type |
Members Only |
| Date |
Last modified 2008-01-11 by System |
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