Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 40 for “"Supervisory Control and Data Acquisition"”.
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Design and Construction of Controls for a Kv/Mva Class Power Electronics Testing Facility
In order to facilitate research and testing of kV/MVA class power electronics systems, Virginia Tech has constructed the High-Power lab facility. This lab supports testing of equipment operating at up to 1.3 MW, with maximum supply ratings of 4,160 V or 480 A, depending on how the system is …
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Power grid simulation, evaluation, and test framework
… Cyber Infrastructure for the Power Grid (TCIP) and is maintained by members of the Information Trust Institute (ITI). VPST is designed to be integrated with other testbeds across the country to explore performance and security of Supervisory Control and Data Acquisition (SCADA) protocols and …
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Using detection in depth to counter SCADA-specific advanced persistent threats
… security. Unfortunately, widely deployed supervisory control and data acquisition (SCADA) protocols provide little to no inherent security controls while traditional security mechanisms prove largely ineffective in industrial control environments. Moreover, the recent advent of advanced …
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Implementation of Secure DNP3 Architecture of SCADA System for Smart Grids
… power grid system connecting to the internet, data sharing, and networking enables space for hackers to maliciously attack them based on their vulnerabilities. Vital stations in the smart grid are the generation, transmission, distribution, and customer substations are connected and controlled …
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Security analysis of inter control center communication protocol using model checking
Inter Control Center Communication Protocol (ICCP) plays a critical role in the Supervisory Control and Data Acquisition (SCADA) architecture by allowing utilities to exchange data in real time. Given the critical nature of ICCP, security of ICCP is of paramount importance to power community. …
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The role of SCADA in developing a lean enterprise for municipal wastewater operations
… system's operations is the collection of alarm and operational data from various remote locations throughout a municipality, hence the basic need for supervisory control and data acquisition (SCADA). The process of providing SCADA systems to municipal clients, from conception to implementation, …
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Towards Accurate and Reliable Industrial Intrusion Detection Systems Using Shadow Replicas
Supervisory Control and Data Acquisition (SCADA) systems manage the operations of a plethora of safety-critical industrial control systems. Due to their sensitive nature, SCADA systems have been the target of adversaries employing a wide range of attacks. This thesis proposes an approach to protect …
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The assessment of the effects of deposits and corrosion on flow efficiency in petroleum products pipelines for integrity management
… developed for assessing flow efficiency in oil and gas pipelines. However, no such models for assessing flow efficiency have been developed for petroleum products pipelines. The main objectives of this study is to assess and predict the effect of deposits and corrosion on flow efficiency in …
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CLASSIFICATION OF HIGH IMPEDANCE FAULTS, INCIPIENT FAULTS AND CIRCUIT BREAKER RESTRIKES DURING CAPACITOR BANK DE-ENERGIZATION IN RADIAL DISTRIBUTION FEEDERS
… by partial breakdown to a cable insulation, and a circuit breaker (CB) malfunction due to capacitor bank de-energization to cause current restrikes. These abnormal events are not detectable by conventional protection schemes. In this dissertation, a new technique to identify distribution …
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Controlled virtual time advancement in conjoined emulation and network simulation
… emulation with simulation allows more accurate, controllable and repeatable evaluation of applications but such hybrid systems are generally not scalable. Virtual time systems attempt to provide a feasible solution by defining and controlling a virtual clock to alter an experiment’s notion of …
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Analysis of Privacy-aware Data Sharing in Cyber-physical Energy Systems
In this thesis, we determine the key factors and correlations among the privacy, security, and utility requirements of grid networks to ensure effective inter-and intra-actions within physical layer equipment (e.g., distributed energy resources (DERs), intelligent electronic devices (IEDs), etc.). …
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Artificial Life as a Vehicle for Anomalies Detection on Industrial Control System: The Behaviour of Bird Swarms and How it can be Applied in ICS
… on how to secure such systems. Industrial Control Systems (ICS) such as Supervisory Control and Data Acquisition (SCADA) is used on critical infrastructures such as manufacturing industries, nuclear sites, oil and gas industries, locomotives and among others. These systems generate a lot of …
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Optimal placement of phasor measurement units using the Advanced Matrix Manipulation algorithm
… Estimation to facilitate improved monitoring and control of the system parameters. The research work done for this thesis begins with review of Supervisory Control and Data Acquisition systems (SCADA). SCADA-based systems are currently employed for condition monitoring and control of …
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Energy And Power Systems Simulated Attack Algorithm For Defense Testbed And Analysis
… of many decades with the usage of cyber systems and communications such as Supervisory Control And Data Acquisition (SCADA); however, due to their connectivity to the internet, the cyber-power system can be infiltrated by malicious attackers. Encryption is not a singular solution. Currently, …
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Implementation of a Testbed with SDN-enabled Communication Networks to Experiment on Physical Function Virtualization that Disrupts Reconnaissance of Cyber-Physical Infrastructures
Industrial control systems (ICSs) have been extensively deployed in the real world. Large ICSs, such as smart power grids, consist of the supervisory control and data acquisition (SCADA) systems and the programmable logic controllers (PLCs). PLCs and SCADA exchange control signals and measurement …
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Analysis and techniques of data compression in smart grids in the context of IEC 61850 communication protocol
… a two-way communication between the generation and the loads in addition to the distributed energy resources, which dictated the integration of smart monitoring devices to achieve full observability of the network. In smart grid operation, the monitoring and the measuring devices such as smart …
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A model-based alarm processor for the assessment of protection systems performance
… engineers are increasingly faced with demands for improvements in performance and reliability of the electrical equipment under their supervision. Power grids are made up of a multitude of electrical components, combined with protection equipment in place to ensure expensive assets are …
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Variable selection for wind turbine condition monitoring and fault detection system
… the fast growth in wind energy, the performance and reliability of the wind power generation system has become a major issue in order to achieve cost-effective generation. Integration of condition monitoring system (CMS) in the wind turbine has been considered as the most viable solution, which …
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Network-simulation-based evaluation of smart grid applications
The United States and many other countries are conducting a major upgrade of their electrical grids. The new “smart grid” is not a physically isolated network like the older power grid was, but a complicated network of networks. That greatly increases the security concerns, ranging from hackers who …
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A testbed to simulate cyber attacks on nuclear power plants
… are critical infrastructures that must be safe and secure from undesirable intrusions: these intrusions are both physical and cyber. The increasing usage of digital control and computer systems, for supervisory control and data acquisition in the control rooms of new generation nuclear reactors, …
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