GE DS200TCQCG1AJD – Turbine Control Processor Board (TCQC)

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Product Introduction

The DS200TCQCG1AJD is the central processing unit (CPU) board for the GE Mark V Speedtronic turbine control system, serving as the “brain” of the turbine control system. It executes core control algorithms, processes real-time data from I/O boards, and generates precise control commands for turbine startup, load regulation, speed control, and safety protection, ensuring stable and efficient turbine operation.

Technical Specifications

Manufacturer: General Electric (GE)
Model: DS200TCQCG1AJD
Series: Mark V DS200 Speedtronic
Type: Turbine Control Processor Board (TCQC)
Processor: 32-bit RISC microprocessor (TMR architecture, 300 MHz)
Memory: 256 MB SDRAM, 512 MB Flash (firmware + user programs)
Communication Ports: 2 × IONet (fiber-optic, 100 Mbps), 1 × Ethernet (10/100 Mbps), 1 × RS-232 (serial)
Control Algorithms: Built-in turbine startup, speed regulation, load control, synchronization, and overspeed protection algorithms
Redundancy: Triple modular redundant (TMR) architecture (3 independent processing cores)
Power Supply: +5 VDC (redundant backplane input)
Weight: ~1.2 kg
Operating Temperature: 0°C to +60°C
Certifications: CE, UL, CSA, IEC 61508 SIL 2

Key Features

TMR Redundant Processing: Three independent 32-bit processing cores with voting logic eliminate single-point failures, ensuring uninterrupted control operation.
High-Speed Data Processing: 300 MHz RISC processor + 256 MB SDRAM enable real-time execution of complex turbine control algorithms with sub-millisecond response times.
Multi-Protocol Communication: Dual IONet fiber-optic ports (100 Mbps) for redundant I/O communication; Ethernet port for remote monitoring and programming; RS-232 port for local debugging.
Integrated Control Algorithms: Pre-installed and customizable algorithms for turbine startup, speed/load regulation, generator synchronization, and safety protection, reducing programming complexity.
Hot-Swap & Online Upgrade: Supports hot-swappable replacement without system shutdown; firmware and control programs can be upgraded online via Ethernet/IONet.

Application Scenarios

Primary Turbine Control: Gas/steam/hydro turbines in thermal, combined-cycle, and hydroelectric power plants (core control system).
Power Plant Automation: Integrated with GE Mark V DCS for plant-wide automation, including turbine control, generator control, and balance-of-plant (BOP) monitoring.
Industrial Turbines: Oil, gas, and chemical plant turbine-driven equipment (compressors, pumps) requiring precise speed and load control.

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