Turbine Electro-Hydraulic Oil System

The turbine electro-hydraulic oil system serves as a crucial component for controlling and regulating the movement of various mechanical parts, such as valves, servomotors, and actuators.

1.)   Purpose

·       The primary purpose of the turbine electro-hydraulic oil system is to provide hydraulic pressure to actuate control valves and other mechanical devices within the turbine control system.

·       By utilizing electricity to control the hydraulic fluid flow, the system can precisely regulate the movement and positioning of turbine components, allowing for efficient and reliable operation of the steam turbine.

2.)   Components

·       Hydraulic Pump: The system includes one or more hydraulic pumps responsible for generating hydraulic pressure by converting mechanical energy into hydraulic energy. These pumps are often driven by electric motors.

·       Hydraulic Reservoir: A reservoir or tank stores the hydraulic oil used by the system. The reservoir ensures a constant supply of oil and helps dissipate heat generated during operation.

·       Hydraulic lines: A network of hydraulic lines distributes the pressurized hydraulic oil from the pump to various components throughout the turbine control system.

·       Electro-Hydraulic Valves: These valves control the flow of hydraulic oil based on electrical signals received from the turbine’s control system. By opening or closing these valves, the system can precisely regulate the hydraulic pressure and flow to different actuators and components.

·       Actuators: Actuators are devices that convert the hydraulic pressure of the oil into mechanical motion to perform specific actions within the turbine control system. These may include opening or closing control valves, adjusting turbine blade angles, or controlling other critical parameters.

·       Solenoid Valves: Solenoid valves are used to control the flow of oil to the actuators based on electrical signals. These valves are typically operated by the turbine’s control system to achieve the desired positioning and movement of the turbine components.

3.)   Operation

·       During normal operating, the hydraulic pump is activated, and hydraulic oil is circulated through the system to maintain pressure and ensure readiness for control actions.

·       When the turbine control system issues commands to adjust turbine parameters, such as steam flow, blade angles, or load demand, electrical signals are sent to the electro-hydraulic valves.

·       The electro-hydraulic valves respond by opening or closing to regulate the flow of hydraulic oil to the appropriate actuators, causing them to move and adjust the position of turbine components accordingly.

·       By precisely controlling the hydraulic pressure and flow, the turbine electro-hydraulic oil system ensures the efficient and safe operation of the steam turbine, allowing for optimal performance and response to changing operating conditions.

In summary, the turbine electro-hydraulic oil system plays a vital role in controlling and regulating the movement of the turbine components in a steam turbine, enabling precise and reliable operation of the turbine under various operating conditions.