Open AccessStability Assessment of Renewable Energy Integrated Power System
Author(s) -
Maharajan Duraisamy,
B Naveen,
P. Kanakaraj
Publication year - 2019
Publication title -
international journal of recent technology and engineering
Language(s) - English
Resource type - Journals
ISSN - 2277-3878
DOI - 10.35940/ijrte.b1557.0982s1119
Subject(s) - electric power system , permanent magnet synchronous generator , induction generator , steam turbine , control theory (sociology) , photovoltaic system , renewable energy , generator (circuit theory) , ac power , engineering , wind power , electricity generation , power (physics) , computer science , electrical engineering , voltage , physics , mechanical engineering , control (management) , quantum mechanics , artificial intelligence
This paper investigates the small-signal stability of grid integrated Doubly Fed Induction Generator (DFIG) based Wind Turbine Generator (WTG) and Photovoltaic (PV) system. The short-circuit study is conducted for the New England 39-bus system using DIgSILENT PowerFactory software. The short-circuit study and dynamic simulation are performed for the study system with distributed generators. Furthermore, the eigenvalues are computed for the various damping level of synchronous generators. The influence of negative damping of synchronous machine with PV generator, DFIG based WTG in the study system is investigated. The eigenvalue analysis results shows that due to negative damping of synchronous generator the system become unstable even with PV generator and DFIG based WTG in the system. The time domain simulation results show that real power generation of the synchronous generator is decreased due to negative damping and its reactive power generation is increased.