ABB LD SYN-101 3BHE005555R0101 Synchronization Board | ACS Drive

ABB LD SYN-101 Synchronization Board - Precision Grid Synchronization Solution

The ABB LD SYN-101 (3BHE005555R0101) represents advanced synchronization technology engineered for ACS2000 and ACS6000 medium voltage drive systems requiring precise grid-tie operations. This voltage measurement and synchronization board delivers phase-lock loop (PLL) accuracy within 1 degree, enabling seamless parallel operation, grid connection, and load transfer applications across industrial motor drives, renewable energy systems, and marine propulsion installations.

Technical Specifications

Synchronization Technology & Performance

Phase-Lock Loop Architecture: The LD SYN-101 implements a sophisticated digital PLL algorithm that continuously tracks grid voltage phase angle, frequency, and amplitude. This real-time monitoring enables the drive controller to match output voltage characteristics with grid parameters before closing synchronization contactors, preventing transient currents and mechanical shock during parallel connection.

Adaptive Frequency Tracking: The board automatically adjusts PLL bandwidth based on grid stability conditions. During normal operation, narrow bandwidth filtering provides immunity to voltage harmonics and transient disturbances. When frequency deviations are detected, the system widens tracking bandwidth to maintain lock during grid disturbances or islanding events.

Voltage Measurement Precision: High-resolution analog-to-digital converters sample three-phase voltages at rates exceeding 10 kHz, providing accurate RMS calculations and harmonic analysis. This data feeds both the synchronization logic and drive protection functions, enabling coordinated response to grid faults.

Industrial Applications

Parallel Drive Operation: Enables multiple ACS6000 drives to operate in parallel configuration for high-power applications exceeding single-drive capacity. Common in cement mills, mining conveyors, and steel rolling mills where 20+ MW motor loads require distributed drive systems with synchronized torque sharing.

Grid-Tied Renewable Energy: Supports wind turbine and solar inverter applications requiring IEEE 1547 compliant grid connection. The synchronization board ensures voltage phase matching within utility interconnection standards before energizing step-up transformers, protecting both drive hardware and grid infrastructure.

Marine Propulsion Systems: Coordinates multiple propulsion drives in diesel-electric and hybrid vessels. The LD SYN-101 enables seamless load transfer between ship generators and shore power connections during port operations, maintaining continuous propulsion availability without mechanical clutches.

Pump & Compressor Stations: Facilitates soft-start synchronization for large centrifugal pumps and gas compressors in pipeline applications. The board synchronizes motor speed with mechanical load before engaging couplings, eliminating torsional stress and extending drivetrain service life.

Industrial Cogeneration: Manages synchronization between facility generators and utility grid in combined heat and power (CHP) installations. Enables automatic load shedding, black-start capability, and islanded operation during grid outages while maintaining critical process loads.

System Integration & Configuration

The LD SYN-101 integrates into ACS drive control cabinets via dedicated synchronization interface connectors. Voltage inputs accept signals from potential transformers (PT) rated for medium voltage applications, with configurable scaling factors matching transformer ratios from 3300:110V to 11000:110V.

Control Interface: Communicates with drive main controller via high-speed serial link, transmitting real-time phase angle, frequency deviation, and voltage magnitude data at 1ms update intervals. This enables the drive control algorithm to execute precise synchronization sequences coordinated with mechanical contactor operation.

Parameter Configuration: Adjustable settings include frequency tracking bandwidth, phase angle tolerance windows, voltage magnitude limits, and synchronization timeout periods. These parameters are configured through the ACS drive control panel or via DriveWindow PC software for application-specific optimization.

Protection & Diagnostic Features

• Out-of-Sync Detection: Continuously monitors phase angle difference between drive output and grid voltage, preventing contactor closure when synchronization criteria are not met
• Frequency Deviation Alarms: Configurable thresholds trigger warnings when grid frequency exceeds normal operating range, indicating potential grid instability
• Voltage Imbalance Monitoring: Detects asymmetrical voltage conditions that could indicate single-phase faults or transformer failures
• PLL Loss-of-Lock: Generates fault signals when synchronization cannot be maintained, initiating controlled drive shutdown to protect equipment
• Self-Diagnostics: Built-in test routines verify analog input circuits, digital processing functions, and communication interfaces during startup and periodic health checks

Installation & Maintenance

The board mounts in dedicated slots within ACS drive control cabinets using keyed connectors that prevent incorrect installation. Voltage input terminals accept shielded cables from PT secondary windings, with proper grounding essential for noise immunity in high-EMI industrial environments.

Commissioning Procedure: Initial setup requires verification of PT ratio settings, frequency range configuration, and synchronization tolerance parameters. Test sequences confirm proper phase rotation and voltage magnitude scaling before enabling automatic synchronization functions.

Preventive Maintenance: Recommended inspection intervals include annual verification of voltage measurement accuracy using calibrated test equipment and visual inspection of connector integrity. Firmware updates may be available through ABB service channels to enhance functionality or address field-identified issues.

Quality & Compliance

Manufactured in ABB's Swiss facility under ISO 9001 quality management systems, each LD SYN-101 board undergoes functional testing including PLL lock time verification, voltage measurement linearity checks, and temperature cycling validation. The design meets IEC 61800-5-1 standards for adjustable speed electrical power drive systems.

Related Products

Warehouse Availability

This component is stocked at multiple ABB distribution centers globally including US Drive Services, Singapore, China, and Australia facilities, ensuring rapid delivery for emergency replacements and planned maintenance projects.

Why Choose Industrial Control Hub?

We specialize in ABB medium voltage drive components with factory-direct sourcing and comprehensive technical support. Every LD SYN-101 synchronization board ships with installation documentation, configuration guides, and quality certifications. Our engineering team provides application assistance for parallel drive systems, grid-tie installations, and synchronization troubleshooting.

Emergency Support: 24/7 availability for critical drive failures with expedited global shipping to minimize production downtime. Technical hotline staffed by ABB-certified engineers familiar with ACS2000 and ACS6000 system architectures.

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