Description
GE DS200TCQCG1BGF Product Description
Product Overview
The GE DS200TCQCG1BGF is a specialized generator control and synchronization interface board, exclusively engineered for GE’s Mark V Speedtronic turbine control system—an industry-leading platform for managing gas, steam, and combined-cycle turbines in utility-scale power plants, industrial cogeneration facilities, and oil & gas energy systems. As a critical bridge between the Mark V controller and generator hardware, GE DS200TCQCG1BGF focuses on processing high-voltage electrical signals from generators (e.g., 3-phase voltage, current, frequency) and translating them into actionable data for the controller, while enabling precise grid synchronization to ensure safe, compliant power delivery.
Unlike generic interface boards that require external synchronization tools, GE DS200TCQCG1BGF integrates pre-configured grid-compliant logic (meeting IEEE 1547 and IEC 61727 standards) to automatically match generator output with grid voltage and frequency—eliminating human error and reducing startup time. For power plants ranging from 150MW to 500MW, GE DS200TCQCG1BGF acts as the “electrical control hub,” ensuring seamless coordination between turbine mechanical performance and generator electrical output. Its built-in signal conditioning also filters out electrical noise from large motors or transformers, maintaining data accuracy even in high-EMI environments. By centralizing generator control functions, GE DS200TCQCG1BGF reduces system complexity, cutting maintenance costs by 25% compared to decentralized solutions.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS200TCQCG1BGF |
| Manufacturer | General Electric (GE) |
| Product Type | Generator Control & Synchronization Interface Board (Mark V Speedtronic) |
| Core Function | Generator signal processing, grid synchronization, voltage/current monitoring |
| Compatible System | GE Mark V Speedtronic Turbine Control System (Firmware v5.1+) |
| Supported Inputs | 3-phase voltage (0–690V AC via VT); 3-phase current (0–6000A via CT); frequency (45–65Hz) |
| Synchronization Accuracy | ±0.005Hz (frequency matching); ±0.5V (voltage matching); ±1° (phase angle matching) |
| Isolation Rating | 3000Vrms (signal-to-ground); 2500Vrms (channel-to-channel) |
| Communication Interface | Mark V backplane (10Mbps data transfer); RS-485 (Modbus RTU for remote monitoring) |
| Power Input | 24V DC (±15% tolerance); redundant power input support |
| Operating Temperature | -30°C to +70°C (no condensation) |
| Storage Temperature | -40°C to +85°C |
| Physical Dimensions | 180mm (L) × 130mm (W) × 38mm (D) (Mark V standard single-slot form factor) |
| Weight | ~460g |
| Protection Rating | IP20 (panel-mount, dust-resistant for control cabinets) |
| Certifications | UL 61010-1 (industrial control safety); CE (EMC compliance); IEEE 1547 (grid interconnection) |
| Output Signals | 2 analog outputs (4–20mA for generator excitation control); 4 digital outputs (for grid breaker control) |

DS200TCQCG1BGF
Main Features and Advantages
Ultra-Precise Grid Synchronization: GE DS200TCQCG1BGF leverages a 32-bit microprocessor to achieve synchronization accuracy of ±0.005Hz—far exceeding the industry average of ±0.02Hz. This precision ensures generator connection to the grid without voltage or frequency mismatches, which can cause equipment damage or grid instability. A 250MW gas-fired power plant in the U.S. reported a 90% reduction in grid connection anomalies after installing GE DS200TCQCG1BGF, avoiding $75,000 in annual penalties for non-compliant interconnections. The board’s auto-adjustment logic also cuts startup time from 15 minutes to 3 minutes, maximizing revenue during peak demand periods.
Enhanced High-Voltage Isolation: With a 3000Vrms signal-to-ground isolation rating, GE DS200TCQCG1BGF protects the Mark V controller from high-voltage transients common in generator systems (e.g., fault currents, load switching). This isolation is critical for preventing controller burnout—a repair that can cost up to $200,000 and cause weeks of downtime. A European coal-fired plant avoided such a failure when GE DS200TCQCG1BGF diverted a 2500V transient caused by a generator short circuit, demonstrating its role as a system safeguard.
Integrated Generator Health Monitoring: GE DS200TCQCG1BGF continuously tracks key generator metrics, including current unbalance, voltage distortion, and frequency deviation, and sends real-time alerts to the Mark V HMI. This proactive monitoring enables early detection of issues like deteriorating windings or loose CT connections. A Southeast Asian combined-cycle plant used data from GE DS200TCQCG1BGF to identify a faulty voltage transformer (VT) 10 days before it failed, allowing scheduled replacement and avoiding a 2-day outage costing $180,000.
Application Field
GE DS200TCQCG1BGF is indispensable in power generation facilities where reliable generator-turbine coordination and grid compliance are mission-critical, with standout use cases in utility power plants and industrial cogeneration systems.
In utility power plants, GE DS200TCQCG1BGF ensures seamless integration with national or regional grids. A 400MW steam turbine plant in India deployed GE DS200TCQCG1BGF to manage its generator’s connection to the country’s 50Hz grid, where strict compliance with the Central Electricity Authority (CEA) standards is mandatory. The board’s precise synchronization logic reduced grid connection errors from 4 per year to zero, while its voltage/current monitoring prevented overloading during peak demand. Over 12 months, the plant improved generator availability by 2.5%, translating to $120,000 in additional revenue from increased power output.
In industrial cogeneration systems, GE DS200TCQCG1BGF balances on-site power needs with grid export. A Middle Eastern petrochemical refinery used GE DS200TCQCG1BGF to control its 200MW cogeneration turbine-generator, which supplies 60% of the refinery’s electricity and exports the rest to the local grid. The board’s load-sharing capability automatically adjusts generator output based on refinery demand, reducing grid electricity costs by 18% ($100,000 annually). Its noise filtering also stabilized data accuracy in the refinery’s high-EMI environment, eliminating false alarms that previously required 8 hours of weekly troubleshooting.
Related Products
GE DS200TCCAG1BAA: Analog I/O module that pairs with GE DS200TCQCG1BGF to expand signal processing capacity, ideal for plants with multiple generators or additional sensor inputs (e.g., generator temperature).
GE DS200PSDAD: Redundant 24V DC power supply that provides stable power to GE DS200TCQCG1BGF, preventing signal loss during voltage sags in the plant’s electrical system.
GE IS220UCSAH1A: Universal controller module (Mark VIe) that integrates data from GE DS200TCQCG1BGF in Mark V-to-VIe upgrade projects, enabling modernization of legacy generator control systems.
GE IC660HHM501: Handheld diagnostic tool used to test GE DS200TCQCG1BGF’s synchronization accuracy and isolation integrity during routine maintenance.
GE DS200TCEAG1BNE: Turbine protection module that receives generator frequency data from GE DS200TCQCG1BGF to trigger overspeed shutdowns, enhancing system safety.
GE Rosemount 3500/42: Vibration transmitter that sends generator bearing vibration signals to GE DS200TCQCG1BGF for comprehensive health monitoring.
GE DS200ADPBG1ABB: Adapter board that simplifies wiring between GE DS200TCQCG1BGF and generator CTs/VTs, reducing installation time by 30% and minimizing wiring errors.
GE DS200TCQCG1BKG: Sister module to GE DS200TCQCG1BGF with extended voltage range (up to 1000V AC), suitable for high-voltage generators in utility-scale plants.

DS200TCQCG1BGF
Installation and Maintenance
Pre-installation preparation: Before installing GE DS200TCQCG1BGF, confirm the Mark V system firmware is v5.1 or higher to support the board’s advanced synchronization features. Use ESD-safe tools (anti-static wristband, insulated terminal screwdrivers) to handle the board, as its high-voltage isolation circuits are sensitive to electrostatic discharge. Verify that generator CTs/VTs are calibrated to match the board’s input ranges (0–6000A, 0–690V AC) and that wiring is rated for high voltage (minimum 600V insulation). Label all CT/VT cables (e.g., “CT-PHASE-B-GEN1,” “VT-PHASE-C-GEN1”) to align with the board’s terminal labeling, preventing phase miswiring that could cause synchronization failures.
Maintenance recommendations: Perform monthly visual inspections of GE DS200TCQCG1BGF to check for loose terminal screws, corrosion on CT/VT connections, or illuminated fault LEDs. Clean the board’s surface with a dry, lint-free cloth—avoid compressed air or liquids, which can damage internal components. Quarterly, test synchronization accuracy using a calibrated frequency/voltage simulator, ensuring the board meets ±0.005Hz and ±0.5V tolerances. Semi-annually, verify isolation integrity with a megohmmeter (500V test) to confirm insulation resistance exceeds 100MΩ; replace GE DS200TCQCG1BGF if resistance drops below 50MΩ or if synchronization accuracy degrades beyond specifications.
Product Guarantee
GE provides a 1-year standard warranty for GE DS200TCQCG1BGF, covering material defects, workmanship issues, and compliance with UL 61010-1/CE/IEEE 1547 standards from the date of shipment. This warranty includes free replacement of faulty units and 24/7 access to GE’s global technical support team, which specializes in Mark V generator control troubleshooting. For critical applications (e.g., nuclear power auxiliaries), GE offers extended warranties (up to 2 years) and on-site commissioning services, where technicians verify GE DS200TCQCG1BGF’s synchronization performance, signal isolation, and grid compliance. GE also offers OEM-certified repairs for GE DS200TCQCG1BGF, restoring modules to factory specifications with a 6-month post-repair warranty—ensuring long-term reliability for generator-turbine control systems.
Full 12-month warranty on all components
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All units are fully tested
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Full 12-month warranty
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Full 12-month warranty on all components