Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. The GE Mark V DS200TCDAH1B PCB circuit board is a LST TMR reheat card designed and manufactured by General Electric, used in the Mark V series of steam turbine control systems. As a core component of this series, it is suitable for safety control scenarios of large-scale steam turbines. Through sophisticated circuit design, it realizes real-time monitoring of equipment operating status and critical protection responses. Its integrated structure can efficiently collaborate with other modules in the system, ensuring the stable operation of the steam turbine under complex working conditions. It plays an important role especially in the control of the reheat process, providing reliable hardware support for large-scale units in the power, energy and other fields. It is an important part of the Mark V control system for achieving precise regulation and safety protection.
- Trip Control: As a core part of the protection system and main trip circuit, this board is equipped with three sets of three emergency trip relays, as well as at least two sets of primary trip relays (PTR1 and 2). It enables reliable trip control to ensure the safe shutdown of the steam turbine under abnormal conditions.
- Auxiliary Control Outputs: It has four auxiliary control outputs, including electrical lock solenoid valve, oil reset solenoid valve, mechanical lock solenoid valve, and oil test solenoid valve, which are used to control auxiliary equipment and functions related to the steam turbine.
- Overspeed Trip Testing: It can perform various tests such as actual electrical overspeed trip test, mechanical trip piston test, actual mechanical overspeed trip test, TMR cross-trip test, actual electrical overspeed trip test (online), actual electrical overspeed trip test (offline), and emergency overspeed override test. These tests ensure the normal operation of the turbine's overspeed protection function.
- Signal Transmission and Control: The board uses base insulating materials to isolate the surface copper foil conductive layers, allowing current to flow through pre-designed paths among various components. This enables signal transmission, processing, and control, achieving functions such as power transmission, amplification, attenuation, modulation, demodulation, and encoding to precisely control the operating parameters and status of the steam turbine.
Relay Action Principle: When an abnormal signal is detected or specific trip conditions are met, relevant relays act according to circuit design and logical relationships to cut off or connect the corresponding circuits, thereby realizing trip protection or other control functions.
Structural Composition
Substrate: Typically made of insulating materials such as fiberglass-reinforced plastic (FR-4), it provides mechanical support and electrical insulation for the electronic components on the circuit board.
Conductive Traces: Made of copper foil, the trace patterns are printed on the substrate through processes like printing and etching. They connect various electronic components to form circuit paths, enabling signal transmission and current flow.
Holes: Used to connect conductive traces across different layers, these are created via chemical etching or mechanical drilling, allowing electrical connections between circuits on different layers of the board.
Pads: Made of metal materials, they are used to connect the pins of electronic components. Through welding techniques, electronic components are fixed onto the circuit board via these pads.
Relays: Including emergency trip relays and primary trip relays (among others), they are key components for implementing trip control functions.
Other Components: May also include electronic elements such as resistors, capacitors, inductors, and chips. These are used to perform functions like signal processing, filtering, and amplification, ensuring the stable operation and precise control of the circuit board.
Customers who purchased this product are also browsing the following products:
GE Multilin MMII-PD-1-2-120 Mm2 Motor Manager
GE EPSCPE100-ABAC PACSystems RSTi-EP CPE100 Standalone Controller
Honeywell CC-PAIH01 51405038-175 Hart analog input module
ABB 3BHE055094R0002 GBU72 PCS6000 Medium voltage wind turbine converter
3005319639