The S-123H (3BHB030479R0512) is a core phase module exclusively engineered by ABB for the ACS6000 series high-voltage variable frequency drives. Adopting a modular design and advanced power electronic technology, it integrates rectification, phase control, synchronous signal processing and multiple protection functions, delivering precise phase control, high-efficiency energy conversion and reliable operation assurance for high-voltage and high-power motor drive systems. Widely adapted to high-voltage drive applications in industrial sectors such as metallurgy, power generation, oil and gas, it serves as a critical component for the ACS6000 variable frequency drives to achieve stable speed regulation and high-efficiency energy saving.
related documents
ABB S-123H 3BHB030479R0512.pdf
Core Functions
- Phase Detection and Synchronous Control: Precisely capture the zero-crossing points and phase sequence of the input power supply, output synchronous signals in real time, ensure the frequency converter operates in synchronization with the power grid, guarantee smooth starting, speed regulation and switching of the motor, and prevent equipment faults caused by phase deviation.
- High-Efficiency Rectification and Conversion: Adopt advanced power electronic topology and IGCT devices to achieve high-efficiency rectification of high-voltage alternating current, featuring a high power factor and low harmonic distortion. It reduces power grid pollution and improves the energy utilization efficiency of the system.
- Multiple Safety Protection: Integrate protection functions such as overvoltage, undervoltage, overload, short circuit and overheating. It monitors the operating parameters of the module and the system in real time, and triggers protection actions rapidly in case of anomalies to protect the safety of core equipment including the module, frequency converter and motor.
- Flexible Communication and Integration: Support communication with control systems such as PLC and DCS, and be compatible with a variety of industrial protocols. It can be connected to the power grid via a transformer or directly, and a harmonic filter can be integrated in weak grid scenarios to adapt to complex power grid environments.
Key Technical Parameters
| Parameter Category | Specific Parameters |
|---|---|
| Model | S-123H 3BHB030479R0512 |
| Adapted System | ABB ACS6000 series high-voltage frequency converters |
| Applicable Power Class | Suitable for high-voltage and high-power equipment of 12MVA and above |
| Operating Frequency | 50/60Hz |
| Operating Temperature | 0℃ - 50℃ (normal working conditions) |
| Protection Functions | Overvoltage, undervoltage, overload, short circuit, overheating protection, etc. |
| Installation Method | Modular installation in the control cabinet, adapted to ACS6000 standard cabinets |
| Cooling Method | Adapted to ACS6000 system water cooling/air cooling heat dissipation solutions to ensure stable operation under high load |
Product Features
- High Reliability Design: High-quality power electronic components such as IGCT are adopted and rigorous industrial environment tests are passed. The modular structure facilitates fault location and quick replacement, reduces maintenance costs and improves the mean time between failures (MTBF) of the system.
- High Power Density: The compact modular layout greatly reduces the installation space, making it suitable for industrial sites with limited space. It also improves the system power density and supports integrated applications of higher power classes.
- High Energy Efficiency: Optimized rectification and control algorithms reduce energy consumption, and the high power factor cuts down reactive power loss, helping users achieve energy conservation and emission reduction goals.
Easy Maintenance and Expansion: Standardized interfaces and modular design enable quick plug-and-play replacement. Multiple modules can be flexibly combined for application according to the system power requirements, adapting to the configuration of ACS6000 frequency converters with different capacities.
Application Scenarios
- Metallurgical Industry: Drives high-voltage motors of large rolling mills, blast furnace fans and other equipment, ensuring stable speed regulation and high-efficiency operation of motors during production.
- Power Industry: Adapts to the high-voltage drive systems of auxiliary equipment such as induced draft fans and forced draft fans in thermal power plants and hydropower stations, improving energy utilization efficiency.
- Oil, Gas and Chemical Industry: Used for the high-voltage drive of large compressors, pumps and other equipment, meeting the requirements of continuous production for equipment reliability and speed regulation accuracy.
- Transportation Infrastructure: Adapts to the traction power supply systems in electrified railways and urban rail transit, providing stable support for phase control and energy conversion.
Key Installation and Maintenance Points
Installation Specifications
Regular Maintenance
Fault Handling
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