Results 21 to 30 of about 24,507,350 (303)

Effects of various power system stabilizers on improving power system dynamic performance [PDF]

open access: yes, 2012
To ensure the small-signal stability of a power system, power system stabilizers (PSSs) are extensively applied for damping low frequency power oscillations through modulating the excitation supplied to synchronous machines, and increasing interest has ...
Wang, Kewen   +4 more
core   +1 more source

Online dynamic voltage stability assessment method of AC/DC power systems

open access: yesThe Journal of Engineering, 2018
The reactive power absorption of conventional line commutated converter–high-voltage direct current transmission systems challenges on the voltage stability of AC/DC power systems. Many online dynamic voltage stability assessment approaches have been put
Yongbo Wang   +5 more
doaj   +1 more source

A virtual synchronous generator control method for remote island power system considering dynamic voltage stability

open access: yesEnergy Reports, 2023
Remote island power systems are difficult to install renewable energy sources (RES) because of the small system capacity and the large impact of intermittency of RES.
Ryo Miyara   +6 more
doaj   +1 more source

Generalized Impedance-Based Stability Analysis for System- Level Small-Signal Stability Assessment of Large-Scale Power Electronics-Dominated Power Systems [PDF]

open access: yes, 2021
This paper proposed the generalized impedance- based stability analysis (GISA), which can provide a global view of system dynamics using the pure black-box impedance/ admittance models, and meanwhile identify the most effective impedance shaping methods ...
Yang, Dongsheng; id_orcid   +4 more
core   +2 more sources

EVALUATION OF EFFECT OF REACTIVE POWER CONTROL STRATEGY BASED ON VOLTAGE TERMINAL OF GENERATORS ON LIMIT INDUCED BIFURCATION AND DYNAMIC VOLTAGE STABILITY MARGIN [PDF]

open access: yesمجله مدل سازی در مهندسی, 2013
Reactive power limit of power system generators has a significant effect on the static voltage stability margin such as maximum load ability point and dynamic voltage stability margin such as HB, LIB and SNB.
M.H. Velayati, N. Amjady, I. Khajevandi
doaj   +1 more source

STUDY OF BIFURCATION ANALYSIS FOR DYNAMIC VOLTAGE STABILITY IN POWER SYSTEM [PDF]

open access: yesمجله مدل سازی در مهندسی, 2009
  N . Amjady1, * , M . R . Ansari Shahreza2     1 . Professor , Electrical & Computer Engineering Faculty , Semnan University , Semnan, Iran   2 . M . Sc.
نیما امجدی   +1 more
doaj   +1 more source

A novel day-ahead scheduling approach for multi-power system considering dynamic frequency security constraint

open access: yesEnergy Reports, 2023
The ever-growing proportion of renewable energy results in the decrease of frequency regulation capability of the multi-power system. Hence, to ensure the stability of the multi-power system with a high proportion of renewable energy, a novel day-ahead ...
Zihan Cai   +4 more
doaj   +1 more source

Power System Transient Stability Assessment Using Stacked Autoencoder and Voting Ensemble

open access: yes, 2021
Increased integration of renewable energy sources brings new challenges to the secure and stable power system operation. Operational challenges emanating from the reduced system inertia, in particular, will have important repercussions on the power ...
Antonijo Kunac   +3 more
core   +1 more source

Small‐signal stability criterion of the PMSG‐based wind power delivery system via VSC‐HVDC

open access: yesIET Generation, Transmission & Distribution
This paper presents an analytical examination of the small‐single stability (SSS) criterion of the permanent magnet synchronous generator (PMSG)‐based wind power delivery system via voltage source converter‐based high voltage direct current (VSC‐HVDC ...
Qiao Li   +3 more
doaj   +1 more source

Modelling and Simulation of Low-Head Hydro Turbine for Small Signal Stability Analysis in Power System [PDF]

open access: yesJournal of Renewable Energy and Environment, 2016
The hydro turbine dynamics have a considerable influence on the dynamic stability of power system. In the study of dynamic stability, the system is modeled by the linear differential equations (small  signal analysis).
Ghazanfar Shahgholian
doaj   +1 more source

Home - About - Disclaimer - Privacy