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Showing 1 to 18 of 18 for “"power system control"”.
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Adaptive power system control
This work presents a centralized control scheme applied to a power system. The scheme has adaptive characteristics which allow the controller to keep track of the changing power system operating point and to control nonlinear functions of state variables. Feedback to the controller is obtained from …
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Power System Control with Distributed Flexible AC Transmission System Devices
Distributed flexible AC transmission system (D-FACTS) devices offer many potential benefits to power systems. This work examines the impact of installing D-FACTS devices by studying the sensitivities of power system quantities such as voltage magnitude, voltage angle, bus power injections, line …
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Power system control for large-disturbance stability : security, robustness and transient energy
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Methods of Handling Missing Data in One Shot Response Based Power System Control
… event prediction and response based one shot control using decision trees trained and tested in a 176 bus model of WECC power system network. This thesis contains results from rigorous simulations performed to measure robustness of the existing one shot control subjected to missing PMU's data …
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Model order reduction of linear dynamic systems with application to power system control
… approach for approximating linear time-invariant system models of high order by simplified models of low order is developed. The problem of approximating systems having no unstable modes is investigated first. An iterative scheme for minimizing a quadratic fractional of the error between the …
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Stability studies of Sasol Synfuels Transmission and Distribution network under fault conditions and N-1 supply contingency
… Transmission and Distribution network when the power system is subjected to fault conditions and N-1 supply contingency conditions. The work provides an overview of the problem of power system stability as well as discussing issues related to the problem of power system stability; which include …
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Application of modal analysis using adaptive schemes of interference cancellation for power line carrier communication systems
With the increasing complexities of power system control, protection, operation and SCADA, there is a need to have a very reliable telecommunication network to provide data transmission in steady state and transient conditions of the system. Integrity of the data should be verified with the use of …
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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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Optimal voltage stability assessment based on voltage stability indices and artificial neural network
… sizeable anxiety in the safe operation of power systems, due to the complications of a strain power system. With the snowballing of power demand by the consumers and also the restricted amount of power sources, therefore, the system has to perform at its maximum proficiency. The noteworthy …
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Evaluation of a fuzzy-expert system for fault diagnosis in power systems
… with alarm processing and fault diagnosis in power systems is the reliance on the circuit alarm status. If there is too much information available and the time of arrival of the information is random due to weather conditions etc., the alarm activity is not easily interpreted by system …
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Study of FACTS/ESS Applications in Bulk Power System
The electric power supply industry has evolved into one of the largest industries. Even though secure and reliable operation of the electric power system is fundamental to economy, social security and quality of modern life, the complicated power grid is now facing severe challenges to meet the …
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Reinforcement Learning for the Cybersecurity of Grid-Forming and Grid-Following Inverters
… in the grid, introducing new challenges in IBR control and cybersecurity. IBRs receive their set point through the communication link, which may expose them to cyber threats. Previous work has developed various techniques to detect and mitigate cyberattacks on IBRs, developing schemes for new …
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Impact Assessment, Detection, and Mitigation of False Data Attacks in Electrical Power Systems
… decades. This has completely transformed the way power grids operate - legacy systems are now being replaced by advanced smart grid infrastructures that attest to better connectivity and increased reliability. One popular example is the extensive deployment of phasor measurement units, which is …
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Impact Assessment, Detection, And Mitigation Of False Data Attacks In Electrical Power Systems
… decades. This has completely transformed the way power grids operate - legacy systems are now being replaced by advanced smart grid infrastructures that attest to better connectivity and increased reliability. One popular example is the extensive deployment of phasor measurement units, which is …
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A multi-agent system design and implementation for flexible network management
… networks. Hence, the operation of electrical power distribution systems has become complicated and increasingly challenging due to the uncertainty of bi-directional power flow, voltage fluctuations, and frequency deviations. To help manage these issues, the system requires more intelligent …