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Characteristics of Parallel Operation of Inverter-Type Distributed Generators Operated by a Virtual Synchronous Generator.
- Source :
-
Electrical Engineering in Japan . Sep2015, Vol. 192 Issue 4, p9-19. 11p. - Publication Year :
- 2015
-
Abstract
- SUMMARY The capacity of distributed generators (DGs) connected to a grid by inverters is growing. The inverters are generally controlled by a phase locked loop (PLL) in order to achieve synchronization with the power system frequency. They cannot have synchronous power. Power systems become unstable if the capacity of the inverter-type DGs is increased. The concept of controlling inverters to behave like a synchronous generator is studied in this paper. The result is referred to as a 'virtual synchronous generator' (VSG). The VSG has synchronous power. Power systems become stable as a result of using the VSG. The VSG is useful in the parallel operation of DGs. The VSG can synchronize with other VSGs, synchronous generators, or the grid. In this paper, a method for the synchronous operation of a VSG is studied, and experimental results on a VSG running in parallel with a synchronous generator and other VSGs are presented. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 04247760
- Volume :
- 192
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Electrical Engineering in Japan
- Publication Type :
- Academic Journal
- Accession number :
- 102748299
- Full Text :
- https://doi.org/10.1002/eej.22561