Product Core Summary
- Model: HIEE450964R0001 SA 9923A-E
- Manufacturer: ABB
- Core Function: Serves as the primary control board managing switching sequences, modulation algorithms, and protection functions in the high-voltage inverter power stage, enabling efficient DC-to-AC conversion.
- System Compatibility: Compatible with ABB ACS series medium-voltage drives (ACS6000 family and similar high-power platforms).
- Supply Status: Obsolete spare part, sourced from verified global inventory with immediate availability for urgent replacements.
- Warranty Standard: 12-month functional warranty, fully tested.
Key Technical Specifications
- Product Model: HIEE450964R0001 SA 9923A-E
- Manufacturer: ABB
- System Platform: ACS6000 Medium Voltage Drives
- Processing Core: High-performance DSP/FPGA hybrid for real-time PWM generation and fault detection.
- Switching Frequency Support: Up to 2 kHz typical, configurable for optimized efficiency and harmonic performance.
- Voltage Rating: Designed for DC-link voltages up to 6000 V, supporting multi-level inverter topologies.
- Power Consumption: Approximately 25–35 W under full operation.
- Operating Temperature Range: -20 °C to +70 °C, with forced-air cooling in drive cabinet.
- Communication Interfaces: Fiber-optic links to gate driver boards and backplane connection to main controller.
- Isolation: Galvanic isolation >4000 V between control and power sections for safety in high-voltage environments.
- Dimensions: Approx. 300 mm (L) x 220 mm (W) x 45 mm (H), rack-mountable in drive enclosure.
- Weight: 1.8 kg.
- Certifications: CE marked, compliant with IEC 61800-5-1 for adjustable speed electrical power drive systems and EMC standards.
- Protection Features: Integrated overcurrent, overvoltage, and thermal monitoring with fast fault shutdown (<10 μs).
- Reliability Metrics: MTBF >500 000 hours in continuous industrial duty.
Technical Architecture & Functional Positioning
The HIEE450964R0001 SA 9923A-E occupies the central control position in the power conversion chain of ACS6000-series medium-voltage drives, interfacing directly between the supervisory controller and the gate driver stages. It executes core inverter algorithms—such as space vector modulation, dead-time compensation, and harmonic elimination—while continuously monitoring DC-link voltage, phase currents, and temperature to maintain stable operation.
Architecturally, the board integrates high-speed DSP for calculation-intensive tasks with FPGA for parallel pulse generation, ensuring sub-microsecond timing accuracy across multi-level topologies. This separation of duties eliminates latency in critical paths, allowing the module to handle high switching frequencies without compromising waveform quality or efficiency. Built-in diagnostics continuously report status via fiber links, supporting predictive maintenance and rapid fault localization.
From an engineering standpoint, this design resolves key challenges in medium-voltage applications: minimizing harmonic distortion to meet grid codes, protecting semiconductors against overvoltages during commutation, and enabling seamless paralleling of inverter units for multi-megawatt drives. The board’s robust isolation and thermal management extend component life in harsh environments, reducing total cost of ownership in continuous processes where downtime equates to significant revenue loss.
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