A Compact Model Of Off-Grid Micro-Hydro Generation, Low Impact And Accessible In Remote Areas

• Published in: 2023 5th Global Power, Energy and Communication Conference (GPECOM) pp. 203 - 210
• Main Authors: Arias, Francisco G., Quizhpi, Flavio A.
• Format: Conference Proceeding
• Language: English
• Published: IEEE 14.06.2023
• Subjects: Friction; harmonic distortion; Hydraulic systems; Mathematical models; micro-hydro power; Microhydro power; power converters; Regulation; Total harmonic distortion; Valves
• ISSN: 2832-7675
• DOI: 10.1109/GPECOM58364.2023.10175805

To reduce energy shortages in remote sectors, it is necessary to increase the availability of energy from renewable sources. This research work develops an off-grid micro-hydro (\mu HG ) generation model in a proposed study object, sending the power to a three-phase resistive system through a dc link, to evaluate the generation parameters and total harmonic distortion (THD) in the supply. The purpose of the hydraulic model focuses on considering the efficiency factors of the circuit using the Darcy-Weisbach and Hazen-Williams methods to estimate the load losses in each part of the system. The simulation of the hydraulic system is carried out in the "Fluid Flow" program. A PID controller is developed for speed regulation in the coupling shaft and regulation control in the excitation of the synchronous generator by adjusting the power delivery parameters in a stable way. The generated power is converted to dc by means of three-phase uncontrolled rectification and connected to the low voltage direct current (LVDC) link of single-pole-symmetrical topology, sending two lines to the terminals of the sinusoidal pulse width modulation (SPWM) inverter to transfer the ac power to the load. The simulation of the systems is carried out in the "MATLAB-Simulink" program.