Description
ABB 3BHE021951R0124
Technical Specifications:
- Brand: ABB
- Model Number: 3BHE021951R0124
- Component Type: Power Supply / Voltage Adjustment Subprint
- System Application: ACS 5000 Medium-Voltage Drives
Functional Features:
- Dual Voltage Output: Generates multiple stabilized DC voltage levels for internal drive electronics.
- Voltage Adjustment: Allows precise tuning of internal reference voltages.
- Protection Circuits: Includes over-voltage and short-circuit protection for downstream components.
Application Scenarios:
- Medium-voltage industrial motor drives.
- Power generation excitation systems.
- Marine and offshore propulsion drives.
Performance Parameters:
- Voltage Regulation: Highly stable output under varying load conditions.
- Ripple & Noise: Low noise output to ensure signal integrity.
Material Composition & Structural Features:
- PCB Design: Multi-layer printed circuit board with high-current copper traces.
- Component Density: Surface-mount technology for compact integration.
Working Principle:
Converts incoming DC bus voltage into lower, regulated DC voltages required by the drive’s microprocessors, gate drives, and analog circuits.
Installation Requirements:
- Insert precisely into the designated motherboard connector.
- Verify all voltage test points after installation before full power-up.
Usage Precautions:
- Ensure the main DC bus is fully discharged before handling.
- Do not operate the drive with this board removed or improperly seated.
