Abstract
Hydropower generation is one of the most prominent renewable sources of power. Run-of-river hydropower is like traditional hydropower but has significantly less environmental impact. Faults in industrial processes are a cause for large amounts of losses in monetary value and off times in industrial processes and consumer utilities. It is more efficient for the system to identify the occurring faults and, if possible, to have the processes running without interruption with the occurrence of a fault. This work uses a model previously proposed—the three-pond hydraulic run-of-river system and integrates it with a turbine and regulated power generation. After integration of the hydraulic system with the turbine and power generation, we then design a diagnostic system for commonly occurring faults within the system. Mathematical models of the faults are formulated and residues are calculated. Fault detection and identification is achieved by analyzing the residues and then a fault-tolerant control is proposed. The Fault Diagnostic Module can correctly detect the faults present and offers sufficient fault compensation to make the system run nearly normally in the event of fault occurrence. With the emergence of distributed power generation smart grids and renewable energy, this fault diagnostic is able to reliably offer uninterrupted power to the grid and thus to consumers.
Highlights
Academic Editors: Santiago Lain and Department of Electrical Engineering, International Islamic University, Islamabad 44000, Pakistan; KIOS Research and Innovation Center of Excellence, Department of Electrical and Computer Engineering, University of Cyprus, Nicosia 1678, Cyprus
In the second diagnostic and identification step, the fault type is identified, and a relevant fault code is generated for the fault-tolerant control
By combining the three steps of fault diagnostics, the fault diagnostic process is of the type shown in Level is given as the required level to the level controller
Summary
The system considered here is a redirected run-of-river hydropower plant, which is discussed in [1]. The hydraulic part of the plant consists of three hea connected at the bottom to the head pond 0 through tunnels Both tunn pond 0 and pond 2 to pond 0 have a controllable valve, s1 and s2 , resp pond 01. The equation describing the rate of change in the water level in pond 2 is ȵa q d. The head ponds are thewill ratebeofdiscussed change ofact the described hydraulic by part rate ofand change the water level is a model function its area the and theanet modification inturbine the of model will be proposed, andand itsofinteraction with. The head ponds are described by the rate of change of their water levels
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