Nonlinear dynamic analysis and robust controller design for Francis hydraulic turbine regulating system with a straight-tube surge tank

J Liang, X Yuan, Y Yuan, Z Chen, Y Li - Mechanical Systems and Signal …, 2017 - Elsevier
The safety and stability of hydraulic turbine regulating system (HTRS) in hydropower plants
become increasingly important since the rapid development and the broad application of …

Pumping phase modulation analysis for operational quality of a pumped-storage generating system

H Li, B Xu, MA Mahmud, D Chen, J Zhang - Energy Conversion and …, 2019 - Elsevier
The integration of pumped-storage power with multi-energy sources pushes the electricity
generation to concern about the voltage stability and reactive power balance. This study …

State feedback predictive control for nonlinear hydro-turbine governing system

Y Yi, Z Zhang, D Chen, R Zhou… - Journal of Vibration …, 2018 - journals.sagepub.com
The present work introduces a novel predictive control strategy for the analysis of the
dynamic performance of hydro-turbine governing systems based on fuzzy logic. Firstly, a six …

Non‐linear fuzzy predictive control of hydroelectric system

R Zhang, D Chen, W Yao, D Ba… - IET Generation …, 2017 - Wiley Online Library
This study brings out a brand new non‐linear predictive control method, a fuzzy generalised
predictive control, for hydroelectric plant systems. Takagi–Sugeno (T–S) fuzzy method and …

Influence of daily regulation of a reservoir on downstream navigation

Y Shang, X Li, X Gao, Y Guo, Y Ye… - Journal of Hydrologic …, 2017 - ascelibrary.org
Daily flow regulation of a hydropower station has a greater influence on waterway transport
than long-term regulation such as seasonal or annual regulation. Although a physical model …

Evaluating fractional PID control in a nonlinear MIMO model of a hydroelectric power station

OA Rosas-Jaimes, GA Munoz-Hernandez… - …, 2019 - Wiley Online Library
In this paper a Fractional PID Control is presented. This control was designed for a
hydropower plant with six generation units working in an alternation scheme. The …

[HTML][HTML] Enhanced stability and failure avoidance of hydropower plant in contingent island operation by model predictive frequency control

K Nagode, I Škrjanc, B Murovec - Energy Reports, 2022 - Elsevier
The challenges of contingent island operation of hydropower plants are addressed by
proposing an enhanced frequency control with advanced control algorithms. The study is …

Hierarchical MPC scheme for the speed governing of PSU with complex conduit system

Y Zheng, Q Chen, Y Xu, W Wang… - IET Generation …, 2020 - Wiley Online Library
Pumped‐storage unit (PSU) often acts as the peak and frequency modulation sources in
modern power systems. The frequent operation condition conversions and tight hydraulic …

Early‐and late‐lumping observer designs for long hydraulic pipelines: Application to pumped‐storage power plants

L Marko, JF Mennemann… - … Journal of Robust …, 2018 - Wiley Online Library
Pumped‐storage power plants typically feature very long hydraulic pipelines, which can be
modeled by a set of partial differential equations. The estimation of the pressure and …

A predictive governing control method of the pumped-storage unit based on lumped-parameter model equivalence

Y Zheng, Q Chen, W Liu, D Yan - IOP Conference Series: Earth …, 2021 - iopscience.iop.org
The speed governor is known as one of the most important control parts in the pumped-
storage unit (PSU). When operating in transient processes, the stability of the PSU's …