A reliable islanding identification mechanism for DC microgrid using PCC transient signal
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Satyavarta Kumar Prince
,
Kaibalya Prasad Panda
Abstract
The islanding detection is a major problem for both AC and DC Microgrids. Failure to do so may result in problems such as system instability, increased non-detection zone, out-of-phase reclosing, personnel safety, and power quality deterioration. To address this issue, this paper presents a reliable island identification method for DC Microgrids that employs a Cumulative Sum of Rate of change of Voltage (CSROCOV) to reduce the non-recognition region. The proposed islanding protection scheme employs point of common coupling (PCC) transient signal to detect islands events. The voltage, power, and current sampling are accumulated from the PCC of the distributed generation terminals. The proposed scheme detects islanding in three test cases with varying power mismatching conditions, while non-islanding events are classified as capacitor switching and faults. The system is modelled and simulated in the MATLAB/Simulink environment, then islanding conditions are applied by turning off the main circuit breaker. Simulation results are presented to verify the methodology under different test cases. The robustness of the proposed scheme is also validated against measurement noise.
Funding source: Government of India
Award Identifier / Grant number: EMR/2017/001880
Acknowledgments
This research work is supported by the Department of Science and Technology (DST).
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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: This is a project sponsored by the Government of India under grant EMR/2017/001880.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Research Articles
- Torque ripple minimization of multi-level inverter fed PMSM drive using modified MPTC
- Blockchain insisted resilience enhancement of power electricity markets using distributed energy trading
- A novel Confidential Consortium Blockchain framework for peer to peer energy trading
- Experimental verification of DSTATCOM for various non-linear load
- Grid integration of hybrid renewable energy source using Aligned Multilevel Inverter
- Frequency regulation of wind energy integrated power system using a novel optimized type II fuzzy tilted integral derivative controller
- Power quality improvement using model predictive control based shunt connected custom power device in a single phase system
- A reliable islanding identification mechanism for DC microgrid using PCC transient signal
- Intrinsic time decomposition based differential protection with adaptive threshold for UPFC compensated transmission line
- Advanced energy management and frequency control of distributed microgrid using multi-agent systems
- Accurate estimation of modern power system harmonics using a novel LSA hybridized recursive least square technique
Articles in the same Issue
- Frontmatter
- Research Articles
- Torque ripple minimization of multi-level inverter fed PMSM drive using modified MPTC
- Blockchain insisted resilience enhancement of power electricity markets using distributed energy trading
- A novel Confidential Consortium Blockchain framework for peer to peer energy trading
- Experimental verification of DSTATCOM for various non-linear load
- Grid integration of hybrid renewable energy source using Aligned Multilevel Inverter
- Frequency regulation of wind energy integrated power system using a novel optimized type II fuzzy tilted integral derivative controller
- Power quality improvement using model predictive control based shunt connected custom power device in a single phase system
- A reliable islanding identification mechanism for DC microgrid using PCC transient signal
- Intrinsic time decomposition based differential protection with adaptive threshold for UPFC compensated transmission line
- Advanced energy management and frequency control of distributed microgrid using multi-agent systems
- Accurate estimation of modern power system harmonics using a novel LSA hybridized recursive least square technique
