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SPECIFICATIONS:
Part Number: DS4820R10
Manufacturer: General Electric
Series: Mark IV
Product Type: Relay Module Expansion Board
Input Voltage: 24 V dc
Operating temperature: -35 to 65 °C
Size: 8.24 cm high x 4.16 cm
Repair: 3-7 Day
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
FUNCTIONAL DESCRIPTION:
DS4820R10 is a Relay Module Expansion Board manufactured and designed by General Electric as part of the Mark IV Series used in GE Speedtronic Steam Turbine Control Systems. A steam turbine is a device that converts thermal energy from steam into mechanical energy. The basic components include the rotor, blades, casing, and steam inlet and outlet. These parts work together to ensure the efficient conversion of steam power into rotational motion. Control systems in steam turbines are essential for maintaining optimal performance and safety. They regulate various parameters such as pressure, temperature, and flow rate, ensuring that the turbine operates within its designed limits. Relay modules are a critical part of these control systems.
Relay modules act as switches that control the flow of electricity within a system. In steam turbines, they are used to manage the operation of different components, ensuring that everything runs smoothly and safely. Without relay modules, the control systems would be less efficient and more prone to failure. Relay modules are used in various applications within steam turbines, including starting and stopping the turbine, controlling auxiliary systems, and protecting the turbine from overloads and faults. They are also involved in monitoring and diagnostics, providing crucial data for maintenance and troubleshooting.
TYPES OF RELAY MODULES USED IN STEAM TURBINES:
Electromechanical Relays: Electromechanical relays use physical moving parts to open and close electrical contacts. They are robust and can handle high power loads, making them suitable for heavy-duty applications in steam turbines.
Solid-State Relays: Solid-state relays use semiconductor devices to switch electrical circuits without moving parts. They offer faster switching times and greater reliability, especially in environments where vibrations and shocks are common.
Reed Relays: Reed relays contain a pair of magnetic reeds that close in the presence of a magnetic field. They are typically used for low-power applications and offer high-speed switching and long life.
WOC has the largest stock of GE Speedtronic Steam turbine control systems OEM replacement parts. We can also repair your faulty boards and supply unused and rebuilt boards backed up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on parts and repairs, kindly contact our team by phone or email.
How is a relay module expansion board installed in a steam turbine system?
Installation involves mounting the relay module expansion board onto a DIN rail within the control panel of the steam turbine system. It is then connected to the main control unit and other relevant components using standard plug-and-play connectors. Proper wiring and configuration are essential to ensure correct operation and integration with existing systems.
What is a relay module expansion board used for in a steam turbine system?
A relay module expansion board is used to enhance the control and automation capabilities of a steam turbine system. It allows for the integration of additional relays, which can manage more inputs and outputs. This is essential for handling complex control functions, such as safety interlocks, remote monitoring, and automated start-stop sequences.
How does a relay module expansion board improve steam turbine operation?
By providing additional control points, a relay module expansion board can improve the efficiency, reliability, and safety of steam turbine operations. It enables more precise control over the turbine's various parameters, allowing for better optimization of performance and quicker response to operational changes or faults.
