Studying and Simulating the Production Unit System with Hydro Turbine and Investigating the Effect of Transient Droop Compensation on the System Dynamic Behavior

Subject Areas : Power Engineering

Homa Movahednejad ¹ (Department of Computer Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran)
S. Mohammadali Zanjani ² (Department of Electrical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran|Smart Microgrid Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran)
Majid Moazzami ³ (Department of Electrical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran|Smart Microgrid Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran)
Ghazanfar Shahgholian ⁴ (Department of Electrical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran|Smart Microgrid Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran)

Received: 2022-03-25 Accepted : 2022-07-24 Published : 2022-11-22

Keywords: Transient response, load changes, transient droop compensation, Hydro Turbine,

Abstract :

One of the important components and rotating equipment in the hydroelectric power plant is the hydro turbine. The rotation of the turbine converts the potential energy in the water into mechanical energy, and then the mechanical energy is converted into electrical energy by the generator. In this paper, the aim is to study the dynamic behavior of a production unit system with a water turbine and to investigate the effect of the loss compensator on the dynamic behavior of the system. In water units, a drop transient compensator is used for stable operation of speed control. The equations of the system are expressed in the state space and the real and oscillatory modes are determined using the system matrix. The simulation results show the stable state of the system due to step changes in the consumption load using the transient compensator. Also, bode diagrams confirm the transfer function of the system's frequency deviation in relation to the changes in the system's steady state load.

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