Khan, Saad Umer (2022) Adaptive Protection and Control of Power Systems Incorporating IEC 61850. Research Master thesis, Victoria University.

Abstract

Smart grids are referred to as electrical power networks that employ digital technology to coordinate the needs and capabilities of various stakeholders for power delivery. Application of IEC Standard 61850 enabled adaptive protection and control techniques increase reliability, add to self-healing features, and bring us closer to the realization of a smart grid. This research encompasses the implementation of adaptive protection and control based on existing systems and IEC 61850 data model implementation as a communication standard. As the electrical power infrastructure has been developed and modernized in steps, so the current installations comprise of legacy components and new elements. The composite nature of protection and control system add complexity to the adoption of adaptive protection. Any automation project must be managed with in the policies of the utility and the policies need to evolve in order to accommodate a smart infrastructure. Substations design has a direct impact on the broader grid architecture where a smart substation will eventuate a smart grid, which in essence is adaptable to achieve an optimize state at any given time. An optimized state of the grid can extract the maximum benefits out of the existing infrastructure and in the meanwhile, utilities can progressively add smart grid features to elevate the optimized state. The main adaptable actions are in the domain of power systems control and power systems protection that have numerous overlaps and cross linkages. Adaptive control and adaptive protection cannot be realized without a modern information and communication system in place. In addition to the enabling technologies and technology enablers, a standardized approach is needed for which the industry is already moving in the that direction. Mainly the IEC Standard 61850 facilitates the standardized approach in a substation context, and this has helped to realize the smart grid objectives on a substation level. Although the standard deals with issues on a micro level, still its alignment with the smart grid policy has helped deal with issues on a macro level. This work covers the adaptable actions in context with the international standardized approached for current and future trends in power system configuration for transmission, distribution and generation with an intent of consolidation.

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