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Modèle: Motor System
marque: HTD
Origin: CHINE
Lieu d'origine: CHINE
Positionnement du produit :
Maximisez la fiabilité de votre variateur de fréquence avec le jeu de barres interne refroidi par air HTD, doté d'une conception intelligente qui fusionne conduction et gestion thermique. Sa structure à ailettes intégrée unique augmente la surface de 30 %, en utilisant le refroidissement par air pulsé pour remplir une double fonction : transmettre des courants élevés et dissiper la chaleur de manière synergique. Cette gestion thermique optimisée garantit des performances constantes sur une large plage de fonctionnement (-25°C à 55°C) sans déclassement. La construction robuste en aluminium et l'indice de protection IP20 le rendent idéal pour les applications de variateurs industriels exigeantes. En améliorant la dissipation thermique dans un même encombrement, ce jeu de barres permet aux ingénieurs d'améliorer la densité de puissance et de prolonger le cycle de vie des variateurs de fréquence.
Paramètres de performance clés de la barre omnibus en aluminium :
| Category | Specific Parameters | Test Standard |
| Base Material | 6-series aluminum alloy (default), 1-series pure aluminum (optional) | GB/T 5585.1 |
| Electrical Conductivity | DC resistivity ≤0.035 Ω·mm²/m; carries 60%–65% current of equivalent solid copper busbar | IEC 60287 |
| Rated Current |
Continuous current: 200A–1200A (section optimized); peak current ≥2x rated value |
IEC 60947 |
| Insulation & Protection | Withstand voltage ≥2500V AC (60s); protection class IP20; creepage distance ≥8mm | ISO 20653 |
| Mechanical Strength | Tensile strength ≥150 MPa; vibration stability ≥15g (10–2000Hz) | IEC 60068-2-6 |
| Thermal Management |
Operating temperature: -25°C to 55°C (no derating); short-term withstand: 105°C | IEC 60068-2-14 |
| Connection Reliability | Contact resistance ≤10 μΩ; bolt torque retention rate ≥90% (post-vibration) | Enterprise Standard |
| Heat Dissipation |
Fin surface area ≥2x base area; temperature rise ≤40K @ rated current | Thermal Simulation Validation |
| Step | Core Process | Key Technical Points | Output Standard |
| 1 | Material Preparation | High-temperature extrusion of 6-series aluminum alloy | Cross-section tolerance ±0.15mm |
| 2 | Precision Machining | CNC milling of fins and mounting holes | Flatness ≤0.1mm/m |
| 3 | Surface Treatment | Selective nickel plating / Anodizing | Plating thickness 5-12μm |
| 4 | Insulation Integration | Combination and installation of gaskets and bushings | Insulation withstand voltage ≥2500V AC |
| 5 | Comprehensive Testing | Resistance, thermal resistance, vibration tests | Defect rate ≤0.02% |
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