Results 21 to 30 of about 80,171 (267)
Voltage Stability Limit of Electric Power System with Reactive Power Constraints on Generators
IEEJ Transactions on Power and Energy, 2003 This paper investigates transfer limit surface as a key to voltage stability of electric power system. Transfer limit surface is defined in nodal loading parameter space as a set of critical points. It is concluded that transfer limit surface of general power system with inequality constraints is considered to be continuous, non-smooth, and convex ...
Yoshihiko Kataoka, Yukio Shinoda
openaire +2 more sources
Data-Driven Diagnostics of Mechanism and Source of Sustained Oscillations [PDF]
, 2015 Sustained oscillations observed in power systems can damage equipment, degrade the power quality and increase the risks of cascading blackouts. There are several mechanisms that can give rise to oscillations, each requiring different countermeasure to ...
Turitsyn, Konstantin, Wang, Xiaozhe
core +1 more source
Jurnal Nasional Teknik Elektro, 2017 Optimal reactive power dispatch has a purpose to achieve secure and economic operation of power system by regulating reactive power allocation in electric power system, such as regulating generators voltage, capacity of shunt capacitors and tap position
Osea Zebua, I Made Ginarsa
doaj +1 more source
IEEE Access, 2020 The responses of an inverter-based distributed generator (IBDG) to abnormal voltage and frequency are different from those of a conventional generator owing to the difference in the operating modes.
Heewon Shin, Jaeyeop Jung, Byongjun Lee
doaj +1 more source
Impact on Generator Reactive Power Limits on a Static Voltage Stability
Advances in Electrical and Computer Engineering, 2011 Voltage stability margin in a power system is closely related with the availability of reactive power in the system. Therefore, adequate modeling of the reactive power sources becomes an important issue in this type of studies. The Minimum Singular Value of the load flow Jacobian matrix has been commonly used as a static voltage stability index.
TOVAR-GONZALEZ, E. A. +1 more
openaire +2 more sources
A virtual power plant model for time-driven power flow calculations [PDF]
, 2017 This paper presents the implementation of a custom-made virtual power plant model in OpenDSS. The goal is to develop a model adequate for time-driven power flow calculations in distribution systems.
Guerra Sánchez, Luis Gerardo +1 more
core +2 more sources
Analysis and Test Verification of Turbine Generator's Leading Phase Operation Capability
发电技术, 2019 The generator leading phase operation is an operation mode in which the generator adjusts the excitation to make the generator under-excited and maintains reactive power from the system while maintaining the normal active output.
Zichun HE +3 more
doaj +1 more source
Alexandria Engineering Journal, 2022 The paper deals with the performance checking of an optimally designed LCL-filter connected along the grid-side converter (GSC) in a doubly fed induction generator (DFIG) based wind energy conversion system (WECS) in attenuating harmonics.
Anirban Mishra, Kalyan Chatterjee
doaj +1 more source
IEEE Access, 2021 Recently, renewable energy has received considerable attention worldwide due to environmental problems such as climate change. However, there are still many problems to be solved to increase the penetration level of renewable energy sources in a power ...
Soo Hyoung Lee +2 more
doaj +1 more source
Modeling and control of a variable speed variable pitch angle prototype wind turbine [PDF]
, 2013 This paper focuses on modeling, control and simulation of a 500 KW horizontal axis prototype wind turbine that is being developed in the context of the MILRES (National Wind Energy Systems) Project in Turkey. The prototype turbine is designed as variable
Aksit, Mahmut Faruk +4 more
core +2 more sources