Cyber Attacks on Protective Relays in Digital Substations and Impact Analysis

Power systems automation and communication standards are crucial for the transition of the conventional power system towards a smart grid. The IEC 61850 standard is widely used for substation automation and protection. It enables real-time communication and data exchange between critical substation automation devices. IEC 61850 serves as the...

Sampled Values ROCOF performance methodology breakdown

Using Ethernet networks and communication protocols for protection applications requires protection engineers to understand different tools and technologies. This paper presents an investigation focused on clarifying the process bus-related concepts considering some relevant hardware, software, and protocol implementation aspects that may lead...

Cyber Attacks on Power System Automation and Protection and Impact Analysis

Power system automation and communication standards are spearheading the power system transition towards a smart grid. IEC 61850 is one such standard, which is widely used for substation automation and protection. It enables real-time communication and data exchange between critical substation automation and protection devices within digital...

A Fast Protection of Multi-terminal HVDC System Based on Transient Signal Detection

HVDC technologies are widely acknowledged as one of solutions for the interconnection of renewable energy resources with the main electric power grid. The application of the latest modular multi-level converter (MMC) makes power conversion much more efficient. Due to the relatively low impedance in a DC system, DC fault currents may rise to an...