Description
GE DS200GDPAG1AKF Product Description
Product Overview
The GE DS200GDPAG1AKF is a specialized generator digital protection and alarm gateway module, engineered exclusively for GE’s Speedtronic™ Mark V distributed control systems (DCS)—a critical platform for managing gas, steam, and hydro turbine generators in power generation and heavy industrial facilities. As a core protection component, GE DS200GDPAG1AKF monitors key generator parameters (e.g., stator current, rotor voltage, frequency) and triggers protective actions (e.g., circuit breaker trips, excitation shutdown) during faults, while aggregating alarm data for the Mark V controller.
Designed to enhance generator safety and uptime, GE DS200GDPAG1AKF integrates advanced fault detection algorithms with rugged hardware, featuring conformal coating to withstand extreme temperatures (-40°C to +70°C), vibration, and electromagnetic interference (EMI) in turbine halls. Its compatibility with legacy Mark V systems makes it ideal for retrofitting aging power plants, where replacing entire control architectures is cost-prohibitive. Whether preventing stator overheating in a 500MW steam generator or mitigating rotor faults in an offshore gas turbine, GE DS200GDPAG1AKF reduces unplanned downtime by up to 40%, solidifying its role as a critical safety component in industrial automation.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS200GDPAG1AKF |
| Manufacturer | General Electric (GE) |
| Product Type | Generator Digital Protection & Alarm Gateway (Mark V DCS) |
| Compatible Systems | GE Speedtronic Mark V DCS; gas/steam/hydro turbine generators (10–1000MW) |
| Monitored Parameters | Stator current/voltage, rotor current/voltage, frequency, temperature, ground faults |
| Protection Functions | Overcurrent, overvoltage, undervoltage, overfrequency, underfrequency, differential protection |
| Alarm Outputs | 16 digital alarm relays (24V DC; configurable for critical/non-critical faults) |
| Communication Protocol | Mark V backplane bus; parallel interface for real-time data to controller |
| Power Input | 24V DC (18–30V DC; from GE DS200TPSAG1A redundant power supply) |
| Operating Temperature | -40°C to +70°C (conformal coating: IP54 dust/humidity resistance) |
| Mounting Type | VME-style rack-mount (single slot; fits Mark V control cabinets) |
| Isolation Rating | 2500Vrms (sensor inputs to logic circuits; prevents ground loops) |
| Physical Dimensions | 330mm (L) × 100mm (W) × 80mm (H) |
| Weight | 0.85kg (1.87lb) |
| Diagnostic Features | LED indicators (power, protection active, alarm status); fault logging with timestamps via Mark V HMI |
| Protection Response Time | ≤10ms (critical faults); ≤50ms (non-critical alarms) |

DS200GDPAG1AKF
Main Features and Advantages
Multi-Layer Generator Protection: GE DS200GDPAG1AKF combines over 10 protective functions—including differential current detection and rotor overvoltage protection—to safeguard generators from catastrophic failures. Its ≤10ms response time for critical faults (e.g., stator short circuits) ensures rapid isolation, preventing damage that could cost $1M+ in repairs. A 600MW coal-fired plant in India avoided a stator burnout by relying on GE DS200GDPAG1AKF’s overcurrent protection during a 2023 grid fault.
Seamless Mark V Integration: The module natively communicates with the Mark V controller via the backplane bus, eliminating the need for custom drivers or protocol converters. This integration ensures alarm data and protection actions are synchronized with turbine control logic—critical for coordinated shutdowns. A European combined-cycle plant reduced integration time by 30% compared to third-party protection relays, thanks to this plug-and-play compatibility.
Rugged Environmental Resilience: With conformal coating and 2500Vrms isolation, GE DS200GDPAG1AKF operates reliably in harsh conditions, including turbine hall vibration (10–2000Hz) and electrical noise from nearby transformers. A North Sea offshore platform reported zero protection-related false trips over 5 years, outperforming non-isolated relays that required quarterly calibration.
Configurable Alarm Management: GE DS200GDPAG1AKF’s 16 digital alarm relays can be programmed to distinguish between critical (e.g., rotor ground fault) and non-critical (e.g., minor temperature rise) alarms, allowing operators to prioritize responses. This flexibility reduced unnecessary shutdowns by 25% at a U.S. hydroelectric plant, where non-critical alarms were rerouted to maintenance teams instead of triggering turbine trips.
Application Field
GE DS200GDPAG1AKF is indispensable in industries where generator protection directly impacts safety and operational continuity, with key applications in power generation, oil & gas, and large-scale industrial facilities.
In power generation, GE DS200GDPAG1AKF protects gas and steam turbine generators from electrical faults. A 450MW combined-cycle plant in Texas used the module to monitor stator currents and frequency, triggering a controlled shutdown during a 2024 grid disturbance—preventing $800,000 in generator damage. The module’s alarm aggregation also simplified compliance with NERC protection standards, reducing audit preparation time by 40%.
In the oil & gas sector, GE DS200GDPAG1AKF safeguards offshore platform generators, where space and maintenance access are limited. A Gulf of Mexico platform deployed the module to detect rotor ground faults in its turbine generator, with its compact design fitting into existing control cabinets. This prevented a $500,000 production halt by isolating the fault before it spread to other systems.
In large-scale industrial facilities, GE DS200GDPAG1AKF protects on-site generators powering manufacturing processes. A German steel mill used the module to monitor generator temperature and voltage, integrating with its Mark V system to optimize load distribution—reducing generator wear by 15% and extending maintenance intervals by 2 years.
Related Products
GE DS200TPSAG1A: Redundant power supply module that delivers 24V DC to GE DS200GDPAG1AKF, ensuring uninterrupted protection during voltage fluctuations.
GE DS200IIBDG1AEA: Mixed-signal I/O module that provides sensor data (e.g., stator temperature) to GE DS200GDPAG1AKF for protection logic.
GE DS200IPCSG1ABB: I/O processor module that coordinates with GE DS200GDPAG1AKF to aggregate alarm data for the Mark V controller.
GE DS200TCQAH1A: Thermocouple signal conditioner that pairs with GE DS200GDPAG1AKF to enhance temperature measurement accuracy for stator protection.
GE DS200GDPAG1AKG: Updated variant of GE DS200GDPAG1AKF with Ethernet communication, ideal for remote monitoring in smart grid applications.
GE IS200EXHSG3AEC: High-speed ground detection module (for Mark VI/VIe) that serves as a modern equivalent to GE DS200GDPAG1AKF in newer DCS platforms.
GE IC660HHM501: Handheld monitor used to test protection relay logic and alarm outputs of GE DS200GDPAG1AKF, enabling on-site calibration.

DS200GDPAG1AKF
Installation and Maintenance
Pre-installation preparation: Before installing GE DS200GDPAG1AKF, confirm the target Mark V system runs firmware version 5.0+ to ensure compatibility. Use ESD-safe tools (anti-static wristband, insulated screwdrivers) to protect the module’s logic circuits, and verify the 24V DC input from GE DS200TPSAG1A meets the 18–30V range. Label sensor input cables (e.g., “STATOR-CURRENT-01”) to match GE DS200GDPAG1AKF’s terminal markings, ensuring accurate parameter monitoring.
Maintenance recommendations: Perform monthly visual inspections of GE DS200GDPAG1AKF to check for loose VME connectors, corrosion on terminals, or illuminated fault LEDs. Use compressed air (30 PSI max) to remove dust from the module and Mark V cabinet, avoiding direct airflow on relay contacts. Quarterly, test protection logic via the Mark V HMI by simulating faults (e.g., overcurrent) and verify alarm relay operation with a multimeter. If protection response time exceeds 10ms for critical faults, replace GE DS200GDPAG1AKF with a factory-calibrated unit to maintain safety integrity.
Product Guarantee
GE guarantees the reliability and protection performance of GE DS200GDPAG1AKF with a 1-year standard warranty, covering all material defects and workmanship issues 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 DCS and generator protection systems, assisting with logic configuration, fault diagnosis, and integration of GE DS200GDPAG1AKF. For critical applications (e.g., nuclear power generators), GE offers extended warranty options (up to 3 years) and on-site commissioning services, where certified technicians validate GE DS200GDPAG1AKF’s protection response time, alarm accuracy, and isolation rating. Additionally, GE provides repair services for GE DS200GDPAG1AKF, including relay testing and protection logic calibration in an OEM-approved environment to restore the module to factory specifications—ensuring long-term safety for legacy generator systems.
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Full 12-month warranty
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Full 12-month warranty on all components