DC Cast Resin Busduct

DC Cast Busduct adopts the vacuum integral casting and sealing technology with epoxy resin. Copper or aluminum conductors are fully encapsulated within high-performance insulating resin to form an integrated, fully enclosed power transmission structure, suitable for power transmission systems with a rated DC voltage up to 1500 V.

Featuring water resistance, fire resistance, corrosion resistance and explosion resistance as core properties, the product achieves an IP68 protection rating and can operate stably for a long time in harsh environments such as underwater, open-air and heavily polluted conditions. The resin casting layer delivers outstanding insulation performance and mechanical strength, with mechanical impact resistance up to IK10 grade to withstand heavy impacts effectively. Meanwhile, the casting material is halogen-free and non-combustible, ensuring safe and eco-friendly operation.

In terms of electrical performance, DC Cast Busduct fundamentally mitigates skin effect and eddy current loss in DC power transmission, enabling higher utilization of conductor cross-section, lower voltage drop and reduced line loss. There is no air gap between conductors and the enclosure, resulting in a compact structure with excellent heat dissipation and strong overload capacity. Standard products cover a current range from 250 A to 6300 A, meeting the demands of DC power distribution systems of various scales.

The product is widely applied in scenarios requiring high power supply reliability, including photovoltaic power stations, energy storage systems, EV charging piles, rail transit, data centers, as well as chemical and metallurgical industries. Benefiting from its fully cast enclosed structure and superior weather resistance, DC Cast Busduct provides a safe, reliable and maintenance-free power transmission solution for diverse DC power distribution applications.

Compared with conventional air-insulated and compact busducts, DC Cast Busduct adopts integral epoxy resin vacuum casting technology. It delivers comprehensive differentiated advantages in insulation performance, environmental adaptability, operational safety and service life, making it highly suitable for demanding DC power distribution scenarios such as energy storage, photovoltaic plants and data centers. Traditional busducts rely on air for insulation, with internal gaps vulnerable to dust, moisture and humid conditions. Long-term operation may lead to degraded insulation, heat accumulation and electric leakage, while their short-circuit resistance and deformation resistance are relatively weak.

DC Cast Busduct features conductors integrally solidified with epoxy resin without any air gaps, which greatly enhances insulation strength and completely eliminates risks of creepage, breakdown and electric leakage. Boasting a far higher protection rating than ordinary busducts, it offers excellent resistance to water, dust, corrosion and humidity. The product can operate steadily over long periods under harsh working conditions including outdoor sites, basements and humid, dusty environments, breaking the limitation that conventional busducts can only be deployed in dry indoor spaces. In terms of electrical performance, neatly arranged conductors enable uniform heat dissipation, low operating temperature rise and stable current transmission, effectively resolving severe heat generation and high energy consumption of traditional busducts under high-current operation.

Furthermore, the integrated cast structure possesses extremely high mechanical strength with outstanding compression, seismic and deformation resistance, capable of resisting equipment vibration and external extrusion. Unlike traditional busducts that are prone to aging and require periodic maintenance, DC Cast Busduct enables maintenance-free operation and significantly cuts subsequent operation and maintenance costs. With a compact structure and support for non-standard customization, it serves as an upgraded preferred solution for high-voltage, high-current and high-reliability DC power distribution projects.

General application drawings of busducts are standardized construction reference drawings tailored for various industrial, new energy and infrastructure power distribution projects. Covering a full range of drawings including system layout, installation structure, accessory matching and on-site implementation, they serve as core technical basis for detailed design, field construction, acceptance and handover of busducts, and are widely adopted in power distribution projects such as wind power, energy storage, computing centers, industrial plants and commercial complexes.

Conventional application drawings mainly include overall power distribution system diagrams, horizontal/vertical wiring installation drawings, construction drawings for penetration through walls and floor slabs, connection drawings for variable capacity joints, expansion joints and tap-off units, as well as installation drawings adapted to special working conditions such as outdoor, humid and dust-prone environments. They also contain exclusive drawings for different types of busducts including DC busducts, compact busducts and cast busducts, precisely meeting the requirements of high & low voltage AC and high-current DC graded power distribution.

All application drawings are designed in accordance with national standards and latest industrial specifications, with unified standards for wiring specifications, installation spacing, protection adaptation and accessory connection. They can effectively avoid problems such as disordered on-site wiring, dimensional deviations and non-standard connections. Standardized drawings greatly shorten the detailed design cycle of projects, reduce construction errors and operation & maintenance costs, and meet the demands of standardized and modular construction. They provide comprehensive technical support for safe construction, stable operation and compliant acceptance of various high-end power distribution projects.

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