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Showing 1 to 20 of 37 for “"power system protection"”.
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Wide Area Measurement Applications for Improvement of Power System Protection
… in the recent past indicate that sustaining system reliability and integrity turns out to be more and more difficult due to reduced transmission capacity margins and increased stress on the system. Due to the heavy loading conditions that occur when the system is under stress, the protection …
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An adaptive agent architecture for the design of complex decision support system with applications to power system protection
… 1990s, there was a notable lack of intelligent systems in the area of power system protection. Moreover, there was no legacy software that would design a coordinated protection scheme for a power system, although there was considerable interest in such applications shown by people from the …
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Protective Relaying Student Laboratory
<p>Facing a rapidly-changing power industry, the electrical engineering department at Cal Poly San Luis Obispo proposed Advanced Power Systems Initiatives to better prepare its students for entering the power industry. These initiatives call for the creation of a new laboratory curriculum that uses …
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Protection and Cybersecurity of Inverter-Based Resources
Traditionally, power system protection describes detecting, clearing, and locating faults in the power system. Traditional methods for detecting and locating faults may not be sufficient for inverter-based resources (IBR) as the fault response of an IBR differs from the response of a synchronous …
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Modeling and Analysis of Cal Poly Microgrid
… of the Cal Poly microgrid. Additionally, an ETAP power system protection tutorial is created to aid students entering the power industry. Microprocessor-based relays are heavily utilized in both the ETAP model and hardware implementation of the system. Case studies in this project investigate …
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Software framework for protection relay testing
… framework for comprehensive automated testing of power system protection relays. This application was implemented using a model protection system that was designed to simulate actual relaying operations performed in the electric power system. The implemented application provided automated testing …
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Metering and adaptive protection for a microgrid with distributed generation
… this project is to develop an adaptive relaying system that will protect the microgrid both in connected and isolated modes. Therefore the settings for the different relays will be observed for the two modes of operation. This will determine whether they are correctly coordinated in order to …
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Relay coordination with multiple breaker-in/breaker-out stations on the transmission line
The main purpose of power system protection is to remove faults from the system as soon as possible so minimum damage happens to the transmission line or other equipment connected to the line. Tennessee Valley Authority (TVA) planners want to add multiple breaker-in/breaker-out stations on a two …
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Power System Fault Detection Using Conductor Dynamics
Power system fault detection is conventionally achieved using current and potential measurements. An alternate and unconventional form of protective relaying is feasible using rigid bus conductor motion as the means of detection. The research presented focuses on the detection of power system …
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Design and implementation of a reconfigurable data acquisition integrated circuit
… engineers have attempted to develop electronic systems able to extract and process the real world signals and turn them into useful data. Initially this development was done using analog technology. However, since the digital signal processor has developed rapidly due to integrated circuit (IC) …
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Application of Kalman filtering in computer relaying of power systems
… and voltages for computer relaying purposes of power systems are presented. As a prerequisite for the Kalman-filtering implementation, the random description of the fault-induced noise signals was quantitatively studied. Empirical formulas that describe the random nature of the noise based on …
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Incremental Quantities Based Permissive Overreaching Transfer Trip Scheme for Protecting Inverter-Based Renewable Resources
<p>The power generation landscape evolves, with the increase of inverter-based resources (IBRs) such as solar photovoltaics and wind turbines, providing sustainable and clean energy sources. The shift towards IBRs mitigates climate change, creating considerable challenges to traditional power …
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Implementation of the Security-Dependability Adaptive Voting Scheme
… demand worldwide continues to rapidly grow. The power systems that supply this growing demand continue to be pushed closer to their limits. When those limits are exceeded, system blackouts occur that have massive societal and economical impact. Power system protection relays make up a piece of …
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INTERACTIVE SOFTWARE FOR EVALUATING RELAY ALGORITHMS
… the interest for using micro-processors in power system protection. Several relay algorithms proposed in the past can be implemented on a micro-procesor to produce numerical estimates of operating parameters of a power system. These estimates form the basis of relaying decisions. The relay …
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Printed Circuit Board Design for Frequency Disturbance Recorder
… Recorder) is a data acquisition device for the power system. The device is portable and can be used with any residential wall outlet for frequency data collection. Furthermore, the FDR transmits calculated frequency data to the web for access by authorized users via Ethernet connection. As a …
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COMPUTER MODELLING OF DIGITAL DISTANCE AND DIRECTIONAL RELAYS
… the use of micro-processor based relays for power system protection has received much attention from power system researchers. To develop micro-processor relays suitable for use in power systems, their performance must be evaluated during the design stage. For achieving this, two approaches …
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The analysis and application of resistive superconducting fault current limiters in present and fututre power systems
Fault current levels in electrical systems are rising due to natural growth in demand, the increasing presence of distributed generation (DG), and increased network interconnection. This rising trend is expected to continue in the future. Marine vessel power systems are highly power-dense and are …
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On the protection of compact DC power systems with high-power energy storage
High-power energy storage systems (ESS) are being considered for future aerospace platforms and other compact DC power system applications to improve the overall transient performance of electrical power distribution systems. These sources are being integrated with advanced bidirectional power …
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Design of an intelligent system for validation of protection settings
The reliable operation of protection systems depends on the correct settings of protective devices, which can be extremely numerous and complex within modern protection schemes. It has been realised that, despite multiple instances of checking, and verification and quality control processes, …
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Design and implementation of ANN based phase comparators applied to transmission line protection
… development in the area of neural network based power system protection in the previous decade. Neural network technology has been applied for various protective relaying functions including distance protection. The reliability and efficiency of ANN based distance relays is improving with the …
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