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IS200EPSMG2A

IS200EPSMG2A Power Supply | GE EX2100 Regulator Control

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  • Manufacturer: General Electric

  • Product No.: IS200EPSMG2A

  • Product Type: Option Board

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 900g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Penerangan

Product Overview

The GE IS200EPSMG2A Exciter Power Supply Module delivers reliable DC power for EX2100 regulator control systems. This module converts DC link bus voltage into the multiple outputs required for turbine excitation control. It pairs with the IS200EPSDG_A daughter board and supports simplex or redundant regulator configurations.

Core Functionality

The IS200EPSMG2A integrates a buck regulator and a push-pull inverter. The buck regulator converts input voltage to a 50Vdc intermediate stage. The push-pull inverter then generates the required multiple output voltages with high-voltage isolation via the internal transformer. The EPSD daughter board modifies the power input path to accept higher voltages and provides fuse protection between the DC link and buck regulator.

Technical Specifications

Parameter Value
Part Number IS200EPSMG2A
Manufacturer General Electric
Series EX2100
Product Type Exciter Power Supply Module
Output Voltages +5 Vdc, ±15 Vdc, +24 Vdc
Contact Wetting Supply Isolated +70 Vdc
IGBT Gate Supply Isolated 20 Vac
Ground Detector Supply ±55 Vdc
Dimensions (H x W) 15.9 x 17.8 cm
Weight 0.9 kg (2 lbs)
Operating Temperature -30°C to +65°C
Functional Revision A
Reference Manual GEI-100462A / GEH-6632
Country of Origin United States

Installation Guide

Mount the IS200EPSMG2A in the IS200ERBPH_A Exciter Regulator Backplane (ERBP) for simplex systems. For redundant configurations, install one in ERBP (M1) and a second in IS200ERRBH_A (ERRB, M2/C). Ensure the EPSD daughter board is properly seated before insertion. Secure the module with the backplane connectors. Verify input voltage from the DC link meets specification. Route output cables to terminal boards and external modules per GEI-100462A guidelines.

Engineering Advantages

The IS200EPSMG2A delivers isolated +70Vdc for contact wetting, ensuring reliable switching of field contacts. The isolated 20Vac supply powers IGBT gates with robust isolation. ±55Vdc supports ground detector circuits on option cards. The EPSD board increases creepage and clearance distances for higher voltage acceptance. This module supports both simplex and redundant EX2100 regulator architectures, providing flexibility for system design.

Technical FAQs

Q1: What is the difference between EPSMG1 and EPSMG2?
A1: EPSMG1 powers EX2100 excitation control (M1, M2, C controllers). EPSMG2 powers EX2100 regulator control. EPSMG2 includes the EPSD daughter board and accepts higher input voltages.

Q2: Is the IS200EPSMG2A backward compatible with non-A revisions?
A2: No. The "A" revision indicates functional changes. This model is not backward compatible with earlier IS200EPSMG2 versions.

Q3: What external modules receive ±24Vdc from this supply?
A3: The ±24Vdc (P24B/N24B) powers fans, relays, and the DC feedback board in the regulator control system.

🏷️ Tags: GE Mark VIe General Electric Option Board
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