GE DS2020DACAG2 EX2100 AC-DC Power Conversion Assembly

Description

The DS2020DACAG2 operates as a ruggedized AC to DC power conversion assembly designed for integration within EX2100 excitation systems and Mark VIe control networks. This power supply module supplies regulated local energy to essential distribution architectures, effectively extending systemic control ride-through capabilities during line source failures or operation within completely battery-less configurations.

The structural circuit path of the DS2020DACAG2 executes rectification of alternative source feeds into structured direct current bus rails. Operating from a dual-tap 115 VAC or 230 VAC line entry, the module delivers an output potential rated at 126 VDC with a maximum delivery boundary of 9.5 ADC under individual assembly usage. This rectified DC line couples to concurrent system energy feeds through an on-board diode network to build a common distribution bus, directly feeding secondary controller blocks, core module sectors, and active gate pulse amplifier cards. The conversion topology utilizes heavy-duty electrolytic storage capacitors to maintain ripple filtering, accompanied by dedicated diagnostic LED indicators arranged at downstream modules (such as EPDM, EGPA, EXTV, and EPBP) to verify consistent power rail health. For expanded system loads, multiple units can be coupled in parallel configurations via a standardized 12-position connector interface to boost aggregate loop outputs to 16.5A DC.

Features

• Dual-Voltage Input Conversion: Rectifies standard 115 VAC or 230 VAC utility inputs into a stabilized 126 VDC configuration loop.
• Parallel Core Scaling: Supports dual-module parallel load sharing across a shared bus to increment total output delivery up to 16.5A DC.
• Integrated Ride-Through Buffering: Provides localized capacitive hold-up capacity to secure system control execution parameters over temporary line voltage drops.
• Diode-Coupled Bus Isolation: Employs built-in steering diodes to seamlessly tie converted DC current with alternative backup battery rails.

Applications

• EX2100 Excitation Bus Power: Delivers continuous rectified bus power to gate pulse amplifier boards and excitation distribution racks.
• Mark VIe Battery-Less Controller Feeds: Main power conversion assembly deployed in turbine generator infrastructure missing static battery storage banks.
• Industrial DC Distribution Maintenance: Used as a drop-in, fully backward-compatible replacement for obsolete Group 1 (DS2020DACAG1) modules.

Technical Specifications

Connections/Interfaces

Installation Guidelines

• Bus Line De-energization: Verify total isolation and zero potential on all source input wires and parallel battery loops before attempting hardware replacement.
• ESD Shielding Protocol: Installation engineers must stay attached to an approved, fully grounded anti-static wrist strap to avert dielectric shock to the inner circuit components.
• Parallel Voltage Matching Requirements: If operating dual conversion assemblies in a parallel network, both blocks must hook into the identical AC source link to secure identical source input potentials.
• Harness Interconnection Setup: When wiring the conversion assembly alongside an IS2020JPDF module, lock the specialized wiring harness firmly between the JPDF and JPDB terminals.