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Modelo: Motor System
Marca: htd
Origin: PORCELANA
Lugar de origen: PORCELANA
Posicionamiento del producto:
La barra colectora compuesta de distribución interna HTD PDU/BDU es un componente conductor compuesto central responsable de la distribución de energía multicanal y la gestión integrada dentro de la unidad de distribución de energía de alto voltaje (PDU/BDU). Utilizando una estructura compuesta de cobre y aluminio (relación de volumen de la capa de cobre del 20% al 30%), logra una distribución precisa de la corriente del circuito principal a unidades derivadas como fusibles, contactores y sensores a través de un diseño de topología multicapa. Combina las ventajas de alta conductividad, baja disipación térmica y alta integración. Fabricado mediante tecnología compuesta de unión por rodillos de precisión, garantiza una unión metalúrgica en la interfaz cobre-aluminio con una resistencia ≥35 MPa, lo que permite un funcionamiento estable a largo plazo de -40 °C a 105 °C. Es un componente clave para mejorar la densidad de potencia y la confiabilidad de los sistemas de distribución de energía.
Parámetros clave de rendimiento de la barra colectora de cobre a aluminio :
| Category | Specific Parameters | Test Standard |
| Composite Material Structure | Copper layer volume ratio: 20%-30% (adjustable); Density: 3.5-4.0 g/cm³ | Enterprise Standard / ICP-AES |
| Electrical Conductivity | DC Resistivity: ≤ 0.026 Ω·mm²/m; Carries 85%-90% current of equivalent solid copper busbar | GB/T 5585.1 |
| Current-Carrying Capacity |
Continuous Current: 200A–5000A (section optimized); Temperature Rise: ≤ 40K (@25°C ambient) |
Thermal Simulation Validation |
| Insulation & Withstand Voltage | Insulation Coating Withstand Voltage: ≥ 3000V AC (60s); Protection Class: IP67 | ISO 20653 |
| Connection Reliability | Bolted Connection Point Contact Resistance: ≤ 5 μΩ; Torque Retention Rate post-vibration: ≥ 90% | IEC 60947 |
| Insulation & Withstand Voltage |
Optional Insulation Coating; Withstand Voltage: ≥ 2500V AC (50Hz, 60s); Protection Class: IP67 | ISO 20653 |
| Mechanical Strength |
Tensile Strength: ≥ 100 MPa (Hard temper); Vibration Resistance: ≥ 20g (10-2000Hz) | IEC 60068-2-6 |
| Weight Saving Benefit |
Approximately 30% lighter than solid copper busbar; material cost reduced by about 25% | Real-cabinet Comparison |
| Step | Core Process | Key Technical Points | Output Standard |
| 1 | Composite Material Preparation | Cu-Al roll-bonding composite, online bright annealing | Interface shear strength ≥35MPa |
| 2 | Precision Stamping | Progressive die high-speed stamping, burr control | Dimensional tolerance ±0.1mm |
| 3 | Connection Surface Treatment | Localized silver plating, micro-arc oxidation on cut surfaces | Plating thickness ≥5μm |
| 4 | Insulation Molding | Engineering plastic insert molding | Insulation withstand voltage ≥3000V AC |
| 5 | Comprehensive Testing | Loop resistance, partial discharge, vibration test | Defect rate ≤0.1% |
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