Description
The ABB YPK112A (Part Number 3ASD573001A13) is a specialized Pulse Transformer Board primarily used within the ABB DCS800 and older DC Drive systems. This board serves as a critical interface in the power electronics stage, responsible for providing electrical isolation and delivering high-speed gate pulses to large Thyristors (SCRs). Its design ensures that the low-voltage control circuits are safely separated from the high-voltage power components while maintaining precise timing for phase-controlled rectification.
Technical Specifications and Datasheet
- Product Model: YPK112A
- Part Number: 3ASD573001A13
- Manufacturer: ABB
- Component Type: Pulse Transformer / Trigger Board
- Isolation Voltage: Typically rated for 2.5 kV or higher (industrial standard)
- Frequency Compatibility: 50/60 Hz industrial power systems
- Dimensions: 165 mm x 115 mm x 45 mm
- Weight: 0.48 kg
- Country of Origin: Sweden
- Operating Temperature: -10 to +70°C

ABB YPK112A 3ASD573001A13

ABB YPK112A 3ASD573001A13

ABB YPK112A 3ASD573001A13
Application Areas
The YPK112A is integral to heavy-duty power conversion systems, specifically:
- DC Drive Systems: Providing the firing pulses for SCR bridges in ABB DCS800 and DCS500 series drives.
- Metal Processing: Used in rolling mill drives and large crane control systems.
- Mining & Minerals: Integrated into hoist and conveyor motor controllers.
- High-Power Rectifiers: Found in industrial electrolysis and plasma heating power supplies.
Product Instructions
The YPK112A is typically mounted directly within the power module of a DC drive or on a dedicated mounting plate. When installing, ensure all ribbon cables and high-voltage leads are securely seated in their respective connectors to prevent “misfiring” of the Thyristors. Because this board handles high-voltage pulse signals, it is susceptible to electromagnetic interference (EMI); ensure that shielding is intact and that signal cables are kept away from main power bars. If the drive reports a “Pulse Transformer Fault” or fails to fire the power bridge, inspect the board for signs of heat damage or component discoloration. Always discharge the DC bus capacitors before attempting to service or replace this module.
Frequently Asked Questions (Q&A)
Q: Can a faulty YPK112A board cause a drive to trip on “Overcurrent”? A: Yes. If the pulse transformer fails to deliver a clean trigger signal, the Thyristor may fire at the wrong time or stay on too long, causing an imbalance in the DC bridge and leading to an overcurrent trip.
Q: Is the YPK112A compatible across different ABB drive power ratings? A: While the YPK112A is used in many different frame sizes, you must verify the full part number (3ASD573001A13) as different versions are tuned for specific Thyristor gate requirements and current ratings.
Q: Does this board require software configuration? A: No, the YPK112A is a hardware-level pulse distribution board. It receives its timing from the drive’s main control board and converts those signals into physical pulses for the power components.
For more technical keywords and specialized product documentation, visit: https://www.newplcdcs.com/products/
Recommended Similar Models
- ABB YPK113A: A related trigger board used in specialized high-power converter configurations.
- ABB SDCS-PIN-4: Power interface board often used in conjunction with YPK modules.
- ABB 3ASD573001A1: A variation of the pulse transformer board for different drive revisions.
- ABB SDCS-CON-4: The main control board that provides the logic for the YPK112A.
- ABB SKiiP Modules: Integrated power blocks sometimes used as alternatives in newer converter designs.
