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Robust estimation of voltage parameters via a sliding mode observer
- Source :
- Control Engineering Practice. 86:85-95
- Publication Year :
- 2019
- Publisher :
- Elsevier BV, 2019.
-
Abstract
- Grid voltage parameters are essential for the real-time control and protection in power systems. Current approaches mainly focus on the phase-locked loop methods, but which are slow and sensitive to voltage variations and disturbances. In this paper, the estimation of grid voltage parameters is recast as an observer design problem. A second-order sliding mode observer (SMO) is designed to estimate the grid voltage parameters based on the exosystem model. Moreover, the asymptotic stability of the closed-loop SMO is proved. Simulation and experimental results are presented to illustrate the effectiveness of the proposed approach, which achieves fast response and accurate estimation
- Subjects :
- 0209 industrial biotechnology
Grid voltage
Observer (quantum physics)
Computer science
Applied Mathematics
020208 electrical & electronic engineering
Mode (statistics)
02 engineering and technology
Computer Science Applications
Loop (topology)
Electric power system
020901 industrial engineering & automation
Exponential stability
Control and Systems Engineering
Control theory
0202 electrical engineering, electronic engineering, information engineering
Electrical and Electronic Engineering
Focus (optics)
Voltage
Subjects
Details
- ISSN :
- 09670661
- Volume :
- 86
- Database :
- OpenAIRE
- Journal :
- Control Engineering Practice
- Accession number :
- edsair.doi...........e6fbb09e30e4280b63e30c1a4f98734a