Overview

The ABB 3BHB004791R0101 Gate Power Supply Unit is a key component used in ABB medium-voltage drive systems and IGCT-based power electronics. It supplies the necessary gate power and control signals to ensure reliable switching of high-power IGCT semiconductor modules. Designed for ABB’s ACS medium-voltage drive platforms, the unit delivers stable operation, built-in fault protection, and long service life—making it suited for heavy-duty industrial environments.

Technical Data

Key Features

• Reliable and stable gate-drive power for IGCT modules

• Fully optimized for ABB ACS medium-voltage drive systems

• Built-in protection circuits (over-voltage, fault isolation)

• Compact modular construction for easy replacement and service

Application

This gate power supply unit is used to energize and control IGCT gate circuits in medium-voltage and high-power applications, including:

• Gate-drive interface for IGCTs in ABB ACS5000 and ACS6000 drives

• High-power switching stages in HVDC and FACTS systems

• Large synchronous motor drives in heavy-industrial environments

• Gate-drive systems for wind, solar, and hybrid renewable-energy converters

• Industrial automation power-electronics platforms requiring long-term reliability

Typical Applications

• Medium-voltage ACS drive systems for steel, mining, cement, oil & gas

• HVDC transmission and grid-stabilization equipment

• High-power motor control in heavy industrial plants

• Renewable energy converters (wind, solar, hybrid systems)

• Traction and railway power systems

FAQ

Q1: What is the role of the ABB 3BHB004791R0101 Gate Power Supply Unit?
It provides the regulated gate-drive power and control signals necessary for proper IGCT operation.

Q2: Is it compatible with ACS5000 systems?
Yes, it is designed for ABB’s medium-voltage ACS platforms, including ACS5000.

Q3: How does it improve system reliability?
Stable gate-drive power and integrated protection features ensure reliable semiconductor switching and protect against fault conditions.

Q4: Which industries use this unit?
Power transmission, renewable energy, heavy industry, and rail traction systems.