Design and analysis of closed loop control of power-converters for forming droop-controlled AC–DC subgrids of an islanded hybrid AC–DC microgrid
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R. V. S. E. Shravan
und
C. Vyjayanthi
Abstract
Hybrid AC–DC microgrid (HMG) is formed by connecting separate AC and DC microgrids with an interlinking converter (IC). In islanded mode of operation of the HMG its AC and DC subgrids are droop controlled to achieve power-sharing. The power flow between the subgrids happens through the IC, which regulates the amount of power being transferred based on the values of the frequency of AC bus voltage and the voltage at the DC bus. This paper presents the utilization of power-electronic converters to form the droop-controlled AC–DC subgrids of an islanded HMG which will be beneficial for further studies of IC and HMG. The detailed design and analysis of the closed-loop control system parameters of both the power converters is presented. The results obtained from simulations carried out in MATLAB/Simulink, and the real-time simulation results obtained by implementation using OPAL-RT OP4500 real-time digital simulator hardware are presented for the verification.
Funding source: Science and Engineering Research Board
Award Identifier / Grant number: ECR/2016/001421
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: The research work presented in this paper is a part of funded project Grant No. ECR/2016/001421, financed by Science and Engineering Research Board (SERB), Department of Science and Technology (DST), Govt. of India. The authors would like to thank the research board for providing the funding.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2022 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- A new differential current circle diagram based technique for long transmission line protection
- Frequency regulation of a RES integrated power system with AC/DC parallel link employing a fuzzy tuned fractional order controller
- Moisture effects on AC dielectric strength and partial discharge inception voltage in natural monoesters
- Potential application of Six Sigma method in operation and maintenance management of UHVDC converter station
- A capability of power line communication for HEMS of smart grid on traditional home power grid in Thailand
- Partitioning method of reserve capacity based on spectral clustering considering wind power
- Research on topology adaptive method of distributed feeder automation based on IEC 61850
- Design and analysis of closed loop control of power-converters for forming droop-controlled AC–DC subgrids of an islanded hybrid AC–DC microgrid
- Power enhancement of transformer less single-phase grid connected solar-wind energy conversion system for various environmental conditions
- Performance analysis of grid interactive single-phase solar powered fault tolerant cascaded inverter
- Distribution network regional opportunity maintenance model design considering total supply capability upgrade of distributed power
Artikel in diesem Heft
- Frontmatter
- Research Articles
- A new differential current circle diagram based technique for long transmission line protection
- Frequency regulation of a RES integrated power system with AC/DC parallel link employing a fuzzy tuned fractional order controller
- Moisture effects on AC dielectric strength and partial discharge inception voltage in natural monoesters
- Potential application of Six Sigma method in operation and maintenance management of UHVDC converter station
- A capability of power line communication for HEMS of smart grid on traditional home power grid in Thailand
- Partitioning method of reserve capacity based on spectral clustering considering wind power
- Research on topology adaptive method of distributed feeder automation based on IEC 61850
- Design and analysis of closed loop control of power-converters for forming droop-controlled AC–DC subgrids of an islanded hybrid AC–DC microgrid
- Power enhancement of transformer less single-phase grid connected solar-wind energy conversion system for various environmental conditions
- Performance analysis of grid interactive single-phase solar powered fault tolerant cascaded inverter
- Distribution network regional opportunity maintenance model design considering total supply capability upgrade of distributed power
