ABB 3BHE037864R0107

Technical Specifications

• Capacitance Range:
  • 100–500 μF (depending on configuration) with tight tolerance (±5%) for precise energy storage.
  • Rated Voltage: 2.5–5 kV DC (continuous operation), suitable for demanding high-voltage systems .
• Physical Dimensions:
  • 150 mm (height) × 80 mm (width) × 200 mm (depth).
  • Weight: 1.2 kg (aluminum housing with epoxy encapsulation) .
• Environmental Ratings:
  • Operating temperature: -40°C to +85°C (extended industrial range).
  • IP67 protection against dust and water ingress for outdoor or harsh environments .
• Electrical Performance:
  • Low ESR (Equivalent Series Resistance): <0.1 Ω at 1 kHz, minimizing power loss.
  • Insulation Resistance: >10 GΩ at 500 V DC, ensuring high dielectric strength .
• Termination:
  • M8 threaded terminals for secure high-current connections.
  • Pre-installed surge protection diode (1.5 kV, 500 A peak) .

Functional Features

1. High-Reliability Design:
   • Epoxy-sealed aluminum casing provides mechanical stability and thermal dissipation.
   • Self-healing technology automatically repairs minor dielectric faults, extending lifespan .
2. Energy Storage:
   • Optimized for pulsed power applications (e.g., welding, laser systems) with fast charge/discharge cycles.
   • Supports >100,000 cycles at rated voltage without degradation .
3. Safety:
   • Internal fuse mechanism prevents catastrophic failure under overload.
   • Compliant with IEC 61071 (capacitors for power electronics) and UL 94 V-0 flammability standards .
4. Modular Compatibility:
   • Configurable in series/parallel arrays to achieve higher voltage or capacitance.
   • CEX-bus interface (optional) for monitoring capacitance and temperature in real time .

Application Scenarios

1. Power Electronics:
   • Inverters & Converters: Smoothes DC-link voltage in renewable energy systems (solar/wind inverters).
   • Motor Drives: Filters ripple current in high-power AC drives for industrial machinery .
2. Industrial Equipment:
   • Welding Machines: Stores energy for pulsed arc welding, ensuring stable arc quality.
   • Plasma Cutting Systems: Provides peak power for plasma torch ignition .
3. High-Voltage Systems:
   • Research Laboratories: Supports pulsed power experiments (e.g., particle accelerators).
   • Railway Electrification: Filters harmonics in traction power supplies .
4. Renewable Energy:
   • Grid Stabilization: Dampens voltage fluctuations in energy storage systems (ESS).
   • Hydroelectric Turbines: Powers pitch control systems during transient loads .

Key Benefits

• Long Lifespan:
  • >10 years MTBF (Mean Time Between Failures) under rated conditions.
  • Low maintenance: No periodic electrolyte replacement required .
• High Efficiency:
  • >98% energy transfer efficiency due to low ESR and optimized dielectric materials.
  • Reduces cooling requirements compared to electrolytic capacitors .
• Space Savings:
  • 30% smaller footprint than traditional electrolytic capacitor banks.
  • Direct mounting on heat sinks (optional) for compact installations .
• Cost Efficiency:
  • Lower total cost of ownership (TCO) compared to electrolytic alternatives.
  • RoHS-compliant and recyclable materials .

Typical Use Cases

• Wind Turbine Pitch Systems: Provides backup power during grid outages to safely park blades.
• Medical Imaging: Powers MRI scanners and X-ray generators with stable high-voltage pulses.
• Oil & Gas: Filters high-frequency noise in downhole drilling equipment .

Compliance & Certifications

• EMC Compliance: Meets EN 61000-6-2/4 for industrial electromagnetic compatibility.
• Safety: UL 1414 (capacitors for use in equipment) and IEC 60384-14 (fixed capacitors) .
• Environmental: RoHS 2011/65/EU and REACH SVHC compliant .

Installation Notes

• Torque Specs: Terminals must be tightened to 8–10 N·m to prevent arcing.
• Derating: For operation above +70°C, derate voltage by 1% per °C.
• Bleeder Resistor: External resistor (1 MΩ, 2 W) recommended for safe discharge .

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