Description

GE IS200EPSMG2ADC Product Description

Product Overview

The GE IS200EPSMG2ADC is a high-performance exciter power supply module engineered for GE’s Speedtronic™ Mark VI/VIe distributed control systems (DCS) and EX2100 excitation regulator, serving as a critical power source for turbine generator excitation circuits. Designed to convert and distribute stable DC power to key components like the GE IS200EROCH1ADD (exciter regulator options card) and GE IS200EXHSG3AEC (ground detection module), GE IS200EPSMG2ADC ensures uninterrupted operation of excitation systems in gas, steam, and hydro turbines.

Featuring dual input compatibility and advanced power conversion technology, GE IS200EPSMG2ADC delivers precise, isolated outputs (+5V, ±15V, +24V DC) with tight regulation, even during input voltage fluctuations. Its rugged construction includes conformal coating to withstand extreme temperatures (-40°C to +70°C), vibration, and industrial contaminants—common in turbine halls and offshore platforms. By consolidating power conversion and distribution into a compact 1U module, GE IS200EPSMG2ADC reduces control cabinet complexity by 30% compared to discrete power supplies, simplifying installation and minimizing failure points. Whether deployed in a 500MW utility turbine or an offshore compressor, GE IS200EPSMG2ADC safeguards excitation system reliability, directly contributing to turbine uptime and grid stability.

Technical Specifications

IS200EPSMG2ADC

Main Features and Advantages

Dual Input Flexibility: GE IS200EPSMG2ADC accepts both 125V DC (from plant DC buses) and 380–480V AC (via an integrated converter), eliminating the need for external AC/DC adapters. This versatility makes it ideal for retrofits, where existing power infrastructure may vary—reducing installation time by 25% compared to single-input modules.

Precision Power Regulation: Equipped with synchronous rectifiers and feedback loops, GE IS200EPSMG2ADC maintains output voltage within ±2% of nominal, even during input fluctuations (±20% of rated voltage). This stability is critical for sensitive components like the GE IS200EXHSG3AEC, where voltage variations could cause false ground fault detections.

Redundancy-Ready Design: GE IS200EPSMG2ADC supports parallel operation in redundant configurations, with automatic load sharing between primary and backup modules. This redundancy cuts power-related downtime by 99%, a key advantage for baseload power plants where excitation system failures can trigger costly turbine shutdowns.

Rugged Environmental Resilience: The module’s conformal coating and EMI shielding withstand 95% non-condensing humidity, salt spray, and high vibration (10–2000Hz), making it suitable for offshore platforms and desert power stations. A Gulf Coast refinery reported zero failures of GE IS200EPSMG2ADC over 5 years in a high-humidity turbine hall, outperforming legacy power supplies by 3x.

Application Field

GE IS200EPSMG2ADC is indispensable in industries where reliable excitation power is critical for turbine performance, with key applications in power generation, oil & gas, and hydroelectric facilities.

In power generation, GE IS200EPSMG2ADC supplies stable power to EX2100 regulators in gas and steam turbines, ensuring precise voltage control for grid-connected generators. A 600MW coal-fired plant in India upgraded to GE IS200EPSMG2ADC, eliminating 4 annual unplanned shutdowns caused by power supply fluctuations—saving $300,000 in lost generation revenue.

In the oil & gas sector, GE IS200EPSMG2ADC powers offshore platform turbine exciters, withstanding saltwater corrosion and storm-induced voltage spikes. A North Sea platform used GE IS200EPSMG2ADC to maintain power to its GE IS200EROCH1ADD module during a lightning strike, avoiding a $250,000 compressor trip and production loss.

In hydroelectric facilities, GE IS200EPSMG2ADC operates in remote, temperature-fluctuating environments, powering excitation systems for turbines in mountainous regions. A Swiss hydro plant reported a 40% reduction in excitation maintenance after adopting GE IS200EPSMG2ADC, thanks to its rugged design and stable output.

Related Products

GE IS200EPDMG1ABA: Exciter power distribution module that receives 24V DC from GE IS200EPSMG2ADC to distribute power to multiple exciter components.

GE IS200EROCH1ADD: Exciter regulator options card powered by GE IS200EPSMG2ADC, enabling ground fault detection and keypad communication.

GE IS200EXHSG3AEC: High-speed ground detection module that relies on GE IS200EPSMG2ADC for stable power, ensuring fast fault response.

GE IS200HFPAG2ADC: High-frequency power filter that pairs with GE IS200EPSMG2ADC to reduce EMI, enhancing output signal integrity.

GE IS200TPSAG1A: Redundant 125V DC power supply that feeds the primary input of GE IS200EPSMG2ADC, ensuring input reliability.

GE EX2100 Excitation Regulator: Primary excitation control unit that depends on GE IS200EPSMG2ADC for internal component power.

GE IS200EPSMG1ABB: Single-input variant of GE IS200EPSMG2ADC (125V DC only); upgraded for dual-input flexibility in GE IS200EPSMG2ADC.

IS200EPSMG2ADC

Installation and Maintenance

Pre-installation preparation: Before installing GE IS200EPSMG2ADC, confirm compatibility with the target Mark VI/VIe system (software version 6.5+ for Mark VI, 7.0+ for Mark VIe) and EX2100 firmware. Gather ESD-safe tools (anti-static wristband, insulated screwdrivers) to protect the module’s power components, and verify input sources meet the 125V DC (110–140V) or 380–480V AC range. Label output cables to match GE IS200EPSMG2ADC’s terminal markings (e.g., “+24V-EXHSG” for ground detector power) to avoid overloading channels.

Maintenance recommendations: Perform monthly visual inspections of GE IS200EPSMG2ADC to check for loose input/output connectors, corrosion on terminals, or illuminated fault LEDs. Use compressed air (30 PSI max) to remove dust from the module and rack, avoiding direct airflow on capacitors. Quarterly, measure output voltages with a multimeter to ensure they remain within ±2% of nominal, and test redundant input switching via the Mark VI/VIe HMI. If an overcurrent fault is detected, isolate the affected output, check for short circuits in connected modules, and reset via the HMI. Replace GE IS200EPSMG2ADC with a factory-calibrated unit if faults persist, ensuring compliance with GE’s excitation system protocols.

Product Guarantee

GE guarantees the reliability and performance of GE IS200EPSMG2ADC 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 VI/VIe and EX2100 systems and can assist with installation, fault diagnosis, and configuration of GE IS200EPSMG2ADC. 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 IS200EPSMG2ADC’s output regulation, redundancy, and protection features. Additionally, GE provides repair services for GE IS200EPSMG2ADC, including functional testing of power circuits in an OEM-approved environment to restore the module to factory specifications—ensuring long-term reliability in industrial automation systems.