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ABB S-093N 3BHB009885R0021 Core Phase Module
ABB S-093N 3BHB009885R0021
1. Overview
The S-093N 3BHB009885R0021 is the core phase module of the ABB PCS 6000 medium-voltage frequency conversion platform. It adopts a 1700 V/1800 A reverse-conducting IGCT three-phase half-bridge topology. A single module can output approximately 1.2 MVA (marked as 1.5 MVA in some documents) and can directly drive 3.3 kV or 6 kV motors without a step-up transformer.
The module integrates the 4th – generation Trench – FS chip, a low – stray – inductance laminated busbar, and a dv/dt absorption circuit. It has the advantages of a switching speed of < 2 μs, a THD of < 3%, and a common – mode voltage of < 500 V.
2. Key Technical Parameters
| Parameter | Value / Description |
|---|---|
| Product Model | S-093N (Order Number: 3BHB009885R0021) |
| Rated Voltage | 4500 V (High DC 4.5 kV) |
| Rated Current | 1200 A (1800 A in some documents) |
| Power Rating | 1.2 – 1.5 MVA per module (up to 120 MVA in parallel connection) |
| Switching Frequency | 0 – 500 Hz (typically 1 – 2 kHz) |
| Topology | Three – level NPC, bidirectional four – quadrant |
| Switching Device | 4500 V reverse – conducting IGCT |
| Efficiency | > 98% (at 50 Hz full load) |
| Cooling Method | Forced air cooling (standard configuration) / Deionized water cooling (optional) |
| Control Interface | Optical fiber ST port (compatible with AC 800PEC) |
| Communication Protocol | Profibus DP, Modbus TCP, EtherCAT |
| Dimensions (L×W×H) | 320 × 190 × 130 mm |
| Weight | ≈ 9 – 9.5 kg |
| Operating Temperature | –40 – +70 °C (junction temperature 125 °C) |
| Parallel Connection Capability | Up to 4 modules for current sharing, current imbalance < 3% |
| Certification | CE, UL, IEC 61800 – 4, RoHS |
3. Product Features
- High Power Density: The power density is increased by approximately 15%, and the cabinet floor space is reduced by approximately 12%.
- Low Loss and High Efficiency: The efficiency is > 98% with low switching loss.
- Fast Synchronization: It uses optical fiber triggering for nanosecond – level synchronization and is compatible with the AC 800PEC controller.
- Intelligent Diagnosis: It has a built – in NTC temperature sensor and status monitoring function, and supports online hot – swapping.
- Multiple Cooling Methods: Air cooling or deionized water cooling is available, allowing flexible selection according to on – site conditions.
- Powerful Protection Functions: It provides protection against overload, short circuit, overvoltage, low – voltage ride – through, and anti – islanding.
4. Structure and Composition
- Reverse – conducting IGCT switching device
- Laminated busbar (low stray inductance)
- dv/dt absorption circuit
- Optical fiber triggering interface (ST type)
- Temperature sensor (NTC)
- Heat dissipation device (fan or water cooling pipeline)
- Terminal block (15 – pin plug)
- Enclosure (crimped Press – Pack structure)
5. Typical Application Fields
- Iron and Steel, Mining: Direct drive of high – power motors.
- Offshore Platforms, Wind Power: High reliability and resistance to harsh environments.
- Chemical Industry, Papermaking: Requires high – efficiency and low – harmonic drive systems.
- Rail Transit, Ship Propulsion: Has four – quadrant speed regulation requirements.
6. Installation and Maintenance Points
| Step | Key Points |
|---|---|
| Installation Preparation | Use copper bars of ≥ 16 mm² with a torque of 25 N·m and a contact resistance of < 5 μΩ; check that the optical fiber interface and 15 – pin plug are not bent. |
| Power – on Debugging | Read the temperature, voltage, and switching status through AMC Studio; when the DC bus voltage is > 1000 V, the Status bit changes from 0 to 1. |
| No – load Operation | Run for 10 minutes, with a temperature rise of < 10 K and no abnormal noise. |
| Full – load Operation | It is recommended to run for 24 hours, record the loss and temperature rise, and confirm the heat dissipation effect. |
| Daily Maintenance | Regularly clean the optical fiber end face and check whether the cooling system (fan or water cooling) is normal; monitor the NTC temperature alarm threshold. |
| Fault Handling | Quickly locate overload, short circuit, or optical fiber communication abnormalities based on the built – in diagnostic information. |
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