Delay-independent decentralized stabilizer design for large interconnected power systems based on WAMS

Decentralized coordinated control for large power system based on transient stability assessment

“…The ith augmented system (23) is similar to the decentralized controlled system (13). So a similar process is given when its Lyapunov stability is proved for the design of robust decentralized coordinated control.…”

“…Additionally, it is desirable to evaluate the transient stability of power systems when coordinated control is proposed by using wide-area measurement (WAM) signals [12][13][14][15]. Depending on the result of transient stability assessment, the coordinated controller determines whether to send coordinated control signal to lower level decentralized controllers for the purpose of damping large disturbances.…”

Study of delay-independent decentralized guaranteed cost control for large scale systems

“…There is an unknown matrix function F ik (t) in the inequality (9). The parameter uncertainty problem will be deal with in the following content.…”

“…Furthermore, a centralized control is neither economically feasible nor ever necessary [7][8][9]. By contraries, decentralized control scheme attempts to avoid difficulties in complexity of design, debugging, date gathering, and storage requirements [10][11][12][13][14][15][16].…”

Hierarchical hybrid control for improving comprehensive performance in smart power system

“…So far, in power systems, due to the imperfection of control technology or lack of sharing of information, though the automation level of local continuous controller that handle small disturbance problems is very high [1][2][3][4], whole system control, especially discrete event controls that handle large disturbance problems are disrupted and isolated, and there between the continuous dynamical control and discrete event management has not formed an organic entirety. As a result, the interactive relation between discrete event management and continuous dynamical control cannot be perfectly coordinated in a real-time manner.…”