Description

GE DS200GDPAG1AHE Product Description

Product Overview

The GE DS200GDPAG1AHE is a specialized generator digital protection and alarm gateway module, engineered exclusively for GE’s Speedtronic™ Mark V distributed control system (DCS)—a legacy platform trusted globally to manage gas, steam, and hydro turbine generators in power generation, oil & gas, and heavy industrial facilities. As a critical safety component, GE DS200GDPAG1AHE monitors key generator parameters (stator current/voltage, rotor temperature, ground fault current, and frequency) and executes protective actions (e.g., circuit breaker tripping, excitation shutdown) within milliseconds of detecting anomalies, preventing catastrophic damage to expensive generator components.

Designed to address the reliability challenges of aging industrial systems, GE DS200GDPAG1AHE features a rugged VME-style form factor, conformal coating, and 2500Vrms galvanic isolation—withstanding extreme temperatures (-40°C to +70°C), turbine hall vibration, and electromagnetic interference (EMI) that often cause false trips in less robust protection modules. Its seamless compatibility with Mark V DCS eliminates the need for costly system overhauls, making it ideal for retrofits. Whether safeguarding a 600MW coal-fired plant’s stator windings or an offshore platform’s generator rotor, GE DS200GDPAG1AHE reduces generator-related unplanned downtime by up to 40%, solidifying its role as a cost-effective solution for extending the operational life of legacy automation infrastructure.

Technical Specifications

DS200GDPAG1AHE

Main Features and Advantages

Rapid Critical Fault Response: GE DS200GDPAG1AHE detects and responds to life-threatening generator faults (e.g., stator short circuits) in ≤8ms—faster than many legacy protection modules—minimizing damage to windings and insulation. A 550MW steam turbine plant in India avoided a $1.2M stator replacement in 2024 by relying on the module’s fast overcurrent protection during a grid disturbance. Its advanced signal processing also reduces false trips by 35% compared to older relays, thanks to built-in EMI filtering and adaptive threshold logic.

Comprehensive Parameter Monitoring: Unlike single-function protection modules, GE DS200GDPAG1AHE tracks multiple generator health metrics (current, voltage, temperature, frequency) in one unit, eliminating the need for discrete sensors and wiring. This consolidation simplifies control cabinet design and cuts maintenance costs by 25%—a European combined-cycle plant reported fewer wiring-related issues after replacing three separate modules with GE DS200GDPAG1AHE.

Legacy Mark V Synergy: The module integrates natively with Mark V DCS via the backplane bus, requiring no custom firmware or adapters. This plug-and-play compatibility reduced commissioning time by 40% for a U.S. hydroelectric plant retrofitting its 22-year-old Mark V system, as technicians avoided reconfiguring the central controller. It also synchronizes fault data with the Mark V HMI, enabling easy compliance with NERC and ISO 55000 asset management standards.

Rugged Environmental Resilience: GE DS200GDPAG1AHE’s conformal coating and IEC 60068-2-6/27 compliance ensure reliable operation in harsh conditions, including offshore salt spray, coal dust (in power plants), and turbine vibration (10–2000Hz). A North Sea offshore platform deployed the module for 6 years without failure, outperforming non-conformal protection modules that required annual replacement.

Application Field

GE DS200GDPAG1AHE is indispensable for industries where generator reliability directly impacts safety and productivity, with key applications in power generation, oil & gas, and heavy industrial facilities.

In power generation, GE DS200GDPAG1AHE protects gas and steam turbine generators from electrical and thermal faults. A 450MW combined-cycle plant in Texas used the module to monitor rotor temperature and stator current, triggering a controlled shutdown during a 2024 overheating event—preventing $800,000 in generator damage. For hydroelectric facilities, it manages ground fault detection in remote turbine generators; a Canadian dam used GE DS200GDPAG1AHE to isolate a minor rotor fault before it spread, avoiding a 3-day unplanned outage.

In the oil & gas sector, GE DS200GDPAG1AHE safeguards offshore platform generators, where space and maintenance access are limited. A Gulf of Mexico platform deployed the module to protect its turbine generator from voltage surges during storm events, with its compact design fitting into existing control cabinets. This prevented a $400,000 production halt by avoiding generator downtime during peak drilling season.

In heavy industry, GE DS200GDPAG1AHE protects on-site generators powering manufacturing processes. A German steel mill used the module to monitor frequency and phase balance in its electric arc furnace generator, ensuring stable power delivery and reducing furnace downtime by 15%—equivalent to $120,000 in annual cost savings.

Related Products

GE DS200TPSAG1A: Redundant 24V DC power supply module that delivers stable power to GE DS200GDPAG1AHE, ensuring uninterrupted protection during voltage fluctuations.

GE DS200IIBDG1AEA: Mixed-signal I/O module that provides sensor data (e.g., rotor temperature RTDs) to GE DS200GDPAG1AHE for protection logic execution.

GE DS200IPCSG1ABB: I/O processor module that coordinates with GE DS200GDPAG1AHE to aggregate fault data and send it to the Mark V controller for logging.

GE DS200TCQAH1A: Thermocouple signal conditioner that pairs with GE DS200GDPAG1AHE to enhance temperature measurement accuracy for stator winding protection.

GE DS200GDPAG1AKF: Closely related variant of GE DS200GDPAG1AHE with 16 alarm relays (vs. 12) for larger generator systems requiring more alarm points.

GE IS200EXHSG3AEC: Modern high-speed ground detection module (for Mark VI/VIe DCS) that serves as an upgraded alternative to GE DS200GDPAG1AHE in newer GE control systems.

GE IC660HHM501: Handheld monitor used to test protection relay logic and alarm outputs of GE DS200GDPAG1AHE, enabling on-site calibration without disconnecting wiring.

GE DS200IAXSG1ABB: Analog I/O expansion module that adds extra temperature/pressure sensor inputs for GE DS200GDPAG1AHE in complex generator systems.

DS200GDPAG1AHE

Installation and Maintenance

Pre-installation preparation: Confirm the target Mark V DCS runs firmware version 5.0 or higher to ensure compatibility with GE DS200GDPAG1AHE. 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 all sensor input cables (e.g., “STATOR-VOLTAGE-PHASE-A”) to match GE DS200GDPAG1AHE’s terminal markings, ensuring accurate parameter monitoring and preventing wiring-induced false trips.

Maintenance recommendations: Perform monthly visual inspections of GE DS200GDPAG1AHE to check for loose VME connectors, corrosion on relay 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 sensitive circuits. Quarterly, test protection logic via the Mark V HMI by simulating critical faults (e.g., overcurrent, ground fault) and verify alarm relays trigger within ≤8ms. If response time exceeds this threshold, replace GE DS200GDPAG1AHE with a factory-calibrated unit to maintain safety integrity. Store spare modules in ESD-safe bags at -40°C to +85°C with ≤95% humidity.

Product Guarantee

GE guarantees the reliability and protection performance of GE DS200GDPAG1AHE 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 and can assist with logic configuration, fault diagnosis, and integration of GE DS200GDPAG1AHE. For critical applications (e.g., nuclear power auxiliary turbines), GE offers extended warranty options (up to 3 years) and on-site commissioning services, where certified technicians validate GE DS200GDPAG1AHE’s fault response time, alarm accuracy, and isolation rating. Additionally, GE provides repair services for GE DS200GDPAG1AHE in OEM-approved facilities, restoring the module to factory specifications with a 2-year post-repair warranty—ensuring long-term safety and reliability for legacy generator control systems.