Contact Info

IS200EPSMG2ADC

Home / Product/ GE
IS200EPSMG2ADC
April 24, 2026

IS200EPSMG2ADC

IS200EPSMG2ADC is a dedicated excitation power PCB module designed exclusively by GE for Mark VI/Mark VIe and EX2100 excitation systems, serving as a core power component of the EPSM (Exciter Power Supply Module) series. This module converts and regulates the system input DC power into stable 24VDC required by excitation circuits, supplying power to exciters, excitation control loops, sensors, relays and other loads. It features electrical isolation, multiple protections, wide-temperature industrial design and supports redundant configurations, enabling long-term stable operation in harsh industrial environments such as power plants and petrochemical facilities, making it a critical power guarantee component for generator excitation control and unit safe operation.

Description

Basic Information

  • Model: IS200EPSMG2ADC

  • Brand & Series: GE Speedtronic Mark VI / Mark VIe Turbine Control System, EX2100/EX2000 Excitation Control System, EPSM Exciter Power Supply Series

  • Product Type: Exciter Power Supply Module, Printed Circuit Board (PCB), Dedicated Power Regulation/Distribution Board for Excitation Systems

  • Compatible Systems: GE Mark VI, Mark VIe TMR (Triple Modular Redundant) Control System, EX2100/EX2000 Synchronous Generator Excitation Control System

  • Country of Origin: USA

  • Function: Provides stable, isolated 24VDC power for excitation systems, exciters and related control circuits; integrates voltage regulation, filtering, overvoltage/overcurrent/undervoltage protection and fault diagnostics to ensure reliable operation of generator excitation control, speed regulation and voltage stabilization

Product Overview

IS200EPSMG2ADC is a dedicated excitation power PCB module designed exclusively by GE for Mark VI/Mark VIe and EX2100 excitation systems, serving as a core power component of the EPSM (Exciter Power Supply Module) series. This module converts and regulates the system input DC power into stable 24VDC required by excitation circuits, supplying power to exciters, excitation control loops, sensors, relays and other loads. It features electrical isolation, multiple protections, wide-temperature industrial design and supports redundant configurations, enabling long-term stable operation in harsh industrial environments such as power plants and petrochemical facilities, making it a critical power guarantee component for generator excitation control and unit safe operation.
The module is installed in standard Mark VI cabinet slots, with on-board status indicators, protection circuits and diagnostic interfaces, supporting online monitoring, fault location and quick replacement, adapting to TMR redundant architecture and meeting SIL safety level requirements.

Core Functions

  1. Stable DC Power Output: Regulates and filters system input DC power to output precise 24VDC with up to 2A output capacity, providing clean and stable operating power for exciters, control loops and actuators.

  2. Multiple Electrical Protections: Built-in overvoltage, overcurrent, short-circuit, undervoltage and reverse-polarity protection, automatically cutting off faulty circuits to prevent power abnormalities from damaging excitation equipment and control systems.

  3. Electrical Isolation & Anti-Interference: Electrical isolation between input/output and channels, suppressing industrial site electromagnetic interference (EMI) to ensure clean power and stable signals.

  4. Fault Diagnostics & Status Indication: On-board LED status indicators for real-time display of power normal, fault, overvoltage/overcurrent alarms, supporting remote system diagnostics and fast power fault location.

  5. Redundancy-Compatible Design: Supports simplex/dual-redundant power configurations with automatic redundant power switching to ensure uninterrupted, bumpless power supply to excitation systems.

  6. Industrial-Grade Reliable Design: Wide temperature range, anti-vibration, UL94 V‑0 flame retardant, moisture and dust resistant, adapting to harsh industrial environments in power plants, offshore platforms and petrochemical facilities.

Technical Specifications

  • Input Power: System DC bus supply (nominal 24–28VDC, range 18–32VDC)

  • Output Power: Regulated 24VDC output, max output current 2A, typical power consumption 10W

  • Isolation Voltage: Input/output isolation ≥1500VAC, channel-to-channel isolation, strong anti-EMI capability

  • Protection Functions: Overvoltage protection, overcurrent protection, short-circuit protection, undervoltage protection, reverse polarity protection

  • Temperature: Operating -20°C to +65°C; Storage -40°C to +85°C

  • Relative Humidity: 5%–95% (non-condensing)

  • Dimensions: Standard Mark VI PCB size, approx. 8×18.6×26.1cm; Weight approx. 1.14kg (2.5lb)

  • Mounting: Standard Mark VI cabinet slot installation, hot-swappable, online maintenance supported

  • Protection Rating: IP20 (cabinet-mounted), UL94 V‑0 flame retardant, anti-vibration/anti-EMI design

  • Certifications: IEC 61508 SIL 2, CE, UL 61010-1, ATEX (hazardous location approved)

Typical Applications

  • Core power supply for EX2100/EX2000 excitation systems of synchronous generators in Mark VI/Mark VIe gas turbines and steam turbines

  • 24VDC regulated power supply for exciters, excitation regulation loops, voltage/current sensors and control relays

  • Excitation power guarantee for combined-cycle power plants, thermal power plants, petrochemical drive units and offshore platform generator sets

  • Reliable power for unit voltage stabilization control, excitation current regulation, overspeed/overvoltage protection loops

  • Replacement of excitation power modules for legacy Mark VI/EX2000 system upgrades


Get a Quote

Search

Categories

pages