ABB 3BHB005243R0105 KUC755AE105 Water‑Cooled Active Front‑End Power Module for ACS6000 Medium‑Voltage Drive

. Basic Information

2. Electrical Specifications

• Main function: Three‑phase medium‑voltage AC to DC‑link conversion with IGBT power devices
• Typical input voltage levels: 3.3 kV, 6.6 kV (system dependent)
• Operation mode: Four‑quadrant regenerative, feeds braking energy back to supply grid
• Grid performance: Near‑sinusoidal input current, power factor close to unity
• Internal interfaces: Fibre‑optic links for gate drive commands and fault feedback to drive main controller
• Galvanic isolation between high‑power section and low‑voltage control electronics
• Built‑in module diagnostics: Over‑temperature, over‑current, water flow monitoring, IGBT fault detection

3. Environmental & Mechanical Conditions

• Operating temperature: 0 ℃ ~ +55 ℃ (inside converter cabinet, subject to valid water‑cooling performance)
• Storage temperature: ‑40 ℃ ~ +85 ℃
• Relative humidity: 5‑95 % RH, non‑condensing
• Cooling requirements: De‑ionized cooling water with specified flow rate, pressure and water quality
• Approvals & standards: CE, IEC 61010‑1, IEC 61800‑4‑1 for medium‑voltage power drives
• Enclosure rating: IP00 (power module, installed within protected drive cubicle)
• Dimensions and weight: Large heavy‑duty power assembly, designed for ACS6000 cubicle mechanical interface

4. Main Functions

1. Acts as active front‑end rectifier for ACS6000 medium‑voltage drive; converts three‑phase medium‑voltage AC input to controlled DC‑link voltage for inverter power sections.
2. Regenerative four‑quadrant capability enables returning motor braking energy back into the utility grid, improving system energy efficiency.
3. Achieves low harmonic grid current and near‑unity power factor compared with conventional diode rectifier solutions.
4. Fibre‑optic communication links receive gate‑drive commands and report module health and fault conditions to ACS6000 main control unit.
5. Integrated monitoring for temperature, cooling‑water flow and power‑semiconductor fault provides early failure detection for predictive maintenance.
6. Product lifecycle status: End‑of‑Life, ABB has ceased new production; spare‑part procurement shall use complete part‑number.

5. Typical Applications

1. High‑power medium‑voltage variable‑speed drives for large compressors, fans, pumps in petrochemical plants, power‑plant auxiliary systems, mining and metal‑industry facilities.
2. Applications requiring regenerative braking and excellent grid‑side power‑quality performance.

Related ACS6000 power module reference

|Part‑No|Description|Remark|

|—|—|—|

|3BHB005243R0105|KUC755AE105 AFE Rectifier Module|Water‑cooled, ACS6000, discontinued|

|Other KUC‑series modules|Inverter power units for ACS6000|Matching inverter sections|

6. Important Notes

1. This is high‑voltage power module exclusively designed for ACS6000 medium‑voltage drive cubicle; cannot be used as standalone component or with other drive platforms.
2. Strict requirements apply for cooling‑water quality, flow and pressure; inadequate water cooling will trigger over‑temperature trips or permanent module damage.
3. High‑voltage hazard; qualified personnel only for installation, replacement and maintenance work.
4. All commissioning, fault diagnostics must be performed with ACS6000 drive control software.
5. Full ordering part‑number 3BHB005243R0105 must be used for spare‑part purchasing.