DS200TCQAF1AFF - Software PROM Set

SPECIFICATIONS

Part No.: DS200TCQAF1AFF
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Operating Temperature: -30 to 65oC
Product Type: Software PROM Set
Availability: In Stock
Series: Mark V

Functional Description

DS200TCQAF1AFF is a Software PROM Set developed by GE. It is a part of the Mark V control system. EPROM Set enables system redundancy and fault-tolerant operations by ensuring that key control data is always available for execution. This is particularly vital for real-time monitoring, diagnostics, and automated turbine protection, as any failure in storing or retrieving control logic could lead to operational disruptions.

Mark V Control System Features

The GE Speedtronic Mark V Control System is a digital turbine control platform designed to monitor and control important aspects of gas and steam turbine operation. It combines microprocessor-based control, distributed I/O, programmed control logic, monitoring functions, diagnostics, and protection mechanisms. The system is designed to continuously evaluate turbine operating conditions and automatically adjust control outputs according to programmed operating requirements. The Mark V system manages a wide range of turbine functions, including:

• Fuel control
• Turbine speed control
• Load control
• Temperature monitoring and control
• Startup sequencing
• Shutdown sequencing
• Turbine protection
• Alarm management
• Auxiliary-system coordination
• Operating-condition monitoring

By integrating these functions within a coordinated control architecture, the system can respond to changing turbine conditions while maintaining the required operating parameters.

Fuel Regulation

• One of the important functions of a gas turbine control system is regulating fuel flow according to turbine operating requirements. Depending on the turbine configuration, the system can control gas fuel, liquid fuel, or multiple fuel types.
• The Mark V control logic evaluates parameters such as turbine speed, load demand, temperature, and other feedback signals to determine the appropriate fuel command.
• During changes in turbine load, the control system continuously adjusts fuel input to maintain the required operating condition while keeping the turbine within its permitted operating limits.

Speed and Load Control

• Turbine speed is a critical operating parameter. During startup and normal operation, the Mark V system monitors turbine speed through appropriate speed-sensing inputs and uses programmed control logic to regulate fuel and other control outputs.
• As the turbine accelerates, the control system coordinates fuel delivery with the required operating sequence. Once the turbine reaches its normal operating range, the control system can regulate operation according to load demand and other applicable control parameters.
• During part-load operation, fuel flow is adjusted to maintain the required turbine speed and load while responding to changes in demand.

Temperature Control

Temperature control is another important aspect of turbine operation. As turbine load increases, combustion temperature and exhaust temperature can change significantly. The Mark V system monitors relevant temperature signals and uses programmed control logic to help maintain turbine operation within specified temperature limits. At higher load conditions, temperature-related control functions become increasingly important. The system can use temperature feedback to regulate fuel flow and prevent operation beyond applicable turbine temperature limits. This helps balance several important operating requirements, including:

• Turbine protection
• Combustion stability
• Equipment life
• Emissions performance
• Energy efficiency
• Load capability

Startup Control

• Startup is a carefully controlled sequence in which the turbine progresses through several operating stages before reaching normal operation.
• The Mark V control system coordinates different startup functions and verifies required conditions before advancing to the next stage. These may include monitoring turbine speed, temperatures, fuel conditions, auxiliary systems, and other permissive signals.
• Fuel introduction and acceleration are controlled according to the programmed startup logic. Gradually increasing turbine output helps avoid excessive thermal and mechanical stress while allowing the turbine to reach its required operating condition.

Shutdown and Protection

• The Mark V system also manages programmed shutdown sequences and turbine protection functions.
• If operating conditions move outside permitted limits, the control system can generate alarms or initiate appropriate protective actions according to the installed application logic.
• Protection functions are designed to help prevent damage resulting from abnormal operating conditions. Depending on the turbine configuration, monitored parameters may include speed, temperature, vibration, pressure, flame status, and other critical operating variables.

Diagnostics and Monitoring

The Mark V architecture incorporates diagnostic functions that assist operators and maintenance personnel in identifying abnormal conditions within the control system.

Diagnostic information can relate to:

• Controller operation
• I/O signals
• Sensor inputs
• Communication status
• Hardware conditions
• System alarms
• Control-system faults

Continuous monitoring helps maintenance personnel identify potential issues and perform troubleshooting more efficiently.

The WOC team is always available to help you with your Mark V requirements. For more information, please contact WOC.

Frequently Asked Questions

What is DS200TCQAF1AFF?
It is a Software PROM Set developed by GE under the Mark V series.

What types of fuel can the Mark V control?
The system can manage liquid fuel, gas fuel, or a combination of both. It seamlessly transitions between fuels based on operational demands and environmental conditions, ensuring stable combustion and efficiency.

How does the Mark V ensure turbine protection?
The Mark V uses triple-redundant sensors and controllers with a two-out-of-three voting system to enhance reliability. It also features an independent protective module that provides additional security against overspeed conditions, flame instability, and abnormal operating situations.