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Pamulaparthy, Balakrishna
- Digital Substation Evolution in the Journey of Smart Grid
Abstract Views :260 |
PDF Views:0
Authors
Emmoji Vundekari
1,
Venkatesh Rokkam
1,
Venkatesh Rokkam
1,
Balakrishna Pamulaparthy
1,
Balakrishna Pamulaparthy
1
Affiliations
1 Lead R&D Application Engineer, GE Grid Solutions, Hyderabad, IN
1 Lead R&D Application Engineer, GE Grid Solutions, Hyderabad, IN
Source
Power Research, Vol 16, No 1 (2020), Pagination: 9-17Abstract
IEC61850 as a globally accepted standard has paved the path for the realization of digital substations. A substation protection, automation, monitoring and control system based on the concepts of [EC61850 can be built faster, more efficiently, and more repeatably by replacing physical wiring with digital communications. This involves learning & understanding several parts of IEC61850 standard parts. [EC61850 standard parts consist of ten main parts with several other associated parts. While a utility decides to implement an “IEC61850 Digital substation”, the user must understand that to design such substation, the user not only has to understand the key terms, usage of standard but also what can be the potential benefits and what is the current trend in this space of digital substation. This paper presents architecture and evolution of the digital substation, present stage of implementation, at the same time potential benefits explained with some key case studies on protection, monitoring and control.Keywords
Control, Digital, Grid, Monitoring, Process, Relay, Station, Substation, IEC61850.
References
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- Mackiewicz RE. Overview of IEC61850 and benefits. IEEE PES Power Systems Conference and Exposition; 2006. https://doi.org/10.1109/PSCE.2006.296392
- Richards S, Arnaud J. Digital substation, the next generation smart substation for the power grid. PAC World Conference; 2016 Jun.
- Hunt R. Process bus- A practical approach. PAC World Conference. Available from: https://www.pacw.org/fileadmin/ doc/SpringIssue09/GE_Process_Bus_spring09.pdf
- IEC61850 9-2LE. Implementation guidelines for digital interface of instrument transformers using IEC61850 9-2. Available from: http://iec61850.ucaiug.org/Implementation%20Guidelines/DigIF_spec_9-2LE_R2-1_040707-CB.pdf
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- Teoh CP, Newman P, Lloyd G, Qin H, Hunt R, Mendez J, Smith T. A solution to eliminate conventional busbar protection with process bus. Available from: http://prorelay. tamu.edu/wp-content/uploads/sites/3/2019/03/A_Solution_ to_Eliminate_Conventional_Busbar_Protection_with_ Process_Bus.pdf
- UR series communication guide- GE Publication GEK119629A. Available from: https://www.gegridsolutions.com/products/manuals/ur/GEK-119629A.pdf
- Hinkley, Mistry C. First digital substation? A journey, business case, lessons. PAC World Conference; 2018 Sep. https://doi.org/10.1049/joe.2018.0171
- Teoh CP, Newman P, Lloyd G, Qin H, Hunt R, Mendez J, Smith T. A solution to eliminate conventional busbar protection with process bus. Proceedings of the Relay Conference; College Station, TX, USA; 2019 Mar 25-28.
- Englert H, Flemming S, Bisale C, Ruff C, Rudd A. Design, concept, commissioning, maintenance, cyber security of a IEC61850 Process Bus Brown Field Application. CIGRE 2018; Paris.
- Convergence of Protection Relay and Monitoring System for Next Generation Asset Management
Abstract Views :233 |
PDF Views:0
Authors
Affiliations
1 Lead R&D Application Engineer, GE Grid Solutions, Hyderabad, IN
2 Lead R&D Application Engineer, GE Grid Solutions, Markham, CA
1 Lead R&D Application Engineer, GE Grid Solutions, Hyderabad, IN
2 Lead R&D Application Engineer, GE Grid Solutions, Markham, CA
Source
Power Research, Vol 16, No 1 (2020), Pagination: 45-51Abstract
Large Industrial electromechanical assets such as motors, generators and transformers play a critical role in running an industrial process. Any unexpected failure in the asset causes loss of revenue due to production loss as well as repair or replacement of the faulty asset. A failure in electromechanical equipment can be electrical, thermal or mechanical. Proactively detecting and analyzing a failure at early stage can help to take preventive measures and better plan the maintenance strategy. Determining the early detection of the potential failures requires online/offline Monitoring and Diagnostic (M&D) equipment, additional sensors, wiring and installation. This paper discusses convergence of protection relay and asset monitoring and diagnostic system for next generation asset management easing asset maintenance strategy and time, cost, efforts in certain cases. Moreover, it provides insights into working of the M&D solution and how it can help to monitor and identify the factors and failures like electrical, mechanical and thermal failures of assets. To verify the proper working and performance of the proposed method, various tests were performed on the integrated Motor M&D features in relay using actual industrial motors with mechanical faults in a machine repair shop.Keywords
Asset, Monitoring, Motor, Relay, Transformer, M&D.References
- IECEE. The IECEE Global Motor Energy Efficiency Programme.2016. Available from: https://www.iecee.org/ about/gmee/
- Albrecht, et al. Assessment of the reliability of motors in utility applications. IEEE Trans Energy Conversion. 1986; EC-1(1):39-46. https://doi.org/10.1109/TEC.1986.4765668
- Zhang P, et al. A survey of condition monitoring and protection methods for medium-voltage induction motors. IEEE Trans Industry Applications. 2011 Jan; 47(1):34-46. https://doi.org/10.1109/TIA.2010.2090839
- Report of large motor reliability survey of industrial and commercial installations, Part I. IEEE Transactions on Industry Applications. 1985; IA-21(4):853-64. https://doi.org/10.1109/TIA.1985.349532
- Thorsen OV, Dalva M. A survey of faults on induction motors in offshore oil industry, petrochemical industry, gas terminals, and oil refineries. IEEE Trans Industry Applications. 1995; 31(5):1186-196. https://doi.org/10.1109/28.464536
- Bonnett AH. Root cause failure analysis for AC induction motors in the petroleum and chemical industry. Proc PCIC; San Antonio, Tx; 2010. p. 381-93. https://doi.org/10.1109/PCIC.2010.5666831
- Thomson WT, Gilmore RJ. Motor current signature analysis to detect faults in induction motor drives - fundamentals, data interpretation, and industrial case histories. Proc Texas A&M University Turbomachinery Symposium; College Station, Tx; 2003. p. 145-56.