General Description

The IS200JPDGH1AAC is a JPDG Power Distribution Board designed for use in the GE Mark VIe Turbine and Gas Turbine Control System. It provides reliable distribution, monitoring, and diagnostics for control and commutation power supplies, supporting high-availability and mission-critical turbine control applications.

Technical Specifications

Model / Type: IS200JPDGH1AAC

Product Name: JPDG Power Distribution Board

Applicable System: GE Mark VIe Turbine / Gas Turbine Control System

Power Input

Control Power Supply:

Dual 28 V DC inputs with external diode isolation (redundant)

Commutation / Current Supply:

24 V DC or 48 V DC, selectable (optional configuration)

Electrical Characteristics

Supports current distribution to system boards and terminal blocks

Supports detection of two AC distribution channels

Environmental Conditions

Operating Temperature: 0 °C to +60 °C

Storage Temperature: −40 °C to +85 °C

Humidity: 5% to 95% RH (non-condensing)

Mechanical Characteristics

Dimensions (W × H × D):
Approx. 482.6 mm × 317.5 mm × 88.9 mm (standard full-size board)

Weight: Approx. 0.91 kg

Installation:
Rack-mounted card installation, compatible with Mark VIe system cabinets

Lifecycle and Documentation

Lifecycle Status: Active (In Service)

Spare parts and technical support available

Reference Manual:

GEH-6725 Series – Mark VIe Power Distribution System Guide

Core Features
Dual Redundant Power Supply

The 28 V DC control power input supports dual redundant feeds with external diode isolation, improving system power reliability and ensuring continuous operation in critical turbine control scenarios.

Flexible Commutation Power Adaptation

Supports 24 V DC or 48 V DC commutation power, allowing flexible adaptation to different load and system configuration requirements.

Integrated Power Detection and Diagnostics

Built-in dual AC distribution channel detection circuits interface with PPDA I/O components, enabling real-time power status monitoring and fault diagnostics.

Floating DC Commutation Bus

Implements a ground-centered floating DC commutation bus using resistor-based grounding, ensuring compatibility with industrial grounding practices and improving system safety and stability.

Seamless System Integration

Designed to operate in coordination with the PDM power distribution system and PPDA I/O modules, ensuring consistent, stable, and reliable power distribution throughout the Mark VIe control architecture.