Product Overview

• Part No: LT8978bV1
• Alternative Code: HIEE320639R0001
• Brand: ABB
• Type: Pulse Amplifier Control Module

• Function: Amplify control pulse signals from main unit, drive power components, and maintain stable generator output voltage in excitation regulation loops.

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Core Features

• Built-in multi-channel power amplification circuits with strong load driving capacity
• Galvanic isolation between internal circuit and field side to prevent interference and damage
• Overvoltage, overcurrent and short-circuit protection to avoid module burnout under abnormal conditions
• Conformal coating for dustproof, moistureproof and anti-electromagnetic interference performance

• Standard VME rack plug-in design, supporting hot swap with redundant power supply

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Technical Specifications

• Input Power: 24VDC via rack backplane
• Operating Temperature: -40℃ ~ +85℃
• HS Code: 85389091

• Supply: Brand new original and fully tested refurbished products available

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Compatibility

• Matches ABB generator excitation control rack and Advant OCS DCS system

• Direct replacement for identical part number modules during cabinet maintenance

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Application

• Excitation system control of turbo generators and hydro generators in thermal power and hydropower plants
• On-site fault replacement and spare part inventory reserve for power station automation cabinets