For utility-scale power generation stations, preventing phase-to-phase short circuits is critical to protecting multi-million dollar turbine generators. We fabricate continuous-enclosure Isolated Phase Bus Duct systems where each phase conductor is housed in its own separate, continuous, and grounded aluminum enclosure. This specialized Isolated Phase Bus Duct design completely isolates the electromagnetic fields and physically prevents the risk of phase-to-phase faults under high-current operations.
Our manufacturing team leverages decades of combined experience in high-voltage engineering to build Isolated Phase Bus Duct runs that handle continuous currents exceeding 10,000 Amperes. We use our heavy-duty plate rolling machines to form the circular aluminum housings, ensuring perfect weld integrity and structural roundness. Our systems are engineered to accommodate both natural convection and forced-air cooling, providing a highly reliable and durable link between major generators and main step-up transformers.
Product Parameters
| Rated Voltage | 10 kV – 35 kV |
| Rated Continuous Current |
3,000 A – 15,000 A |
| Short-Circuit Peak Withstand Current |
Up to 400 kA Peak |
| Impulse Withstand Voltage (BIL) | Up to 150 kV |
| Conductor Material |
High-Conductivity Tubular Aluminum or Copper |
Application Fields
- Connections Between Steam/Hydro Generators and Step-Up Transformers
- Utility-Scale Fossil Fuel and Nuclear Power Plants
- High-Capacity Switching Stations and Power Distribution Yards
- Heavy Electrochemical Smelting and Energy Storage Facilities
Factory Strength
We operate a modern 4,000-square-meter facility with a team of 45 highly skilled technical specialists. Our factory is equipped with premium industrial fabrication machinery, such as large-scale plate rollers, automated MIG/TIG welding machines, and heavy-duty drilling rigs. Our strong manufacturing background has enabled us to achieve a domestic equipment sales turnover exceeding CNY 100 million, making us a trusted partner for national-scale energy construction projects.
Quality Control
Our specialized Quality Control department enforces rigid testing protocols to guarantee maximum electrical safety. We utilize our JUT900 Ultrasonic Flaw Detector to perform 100% non-destructive testing on all continuous circumferential aluminum welds. Furthermore, we verify structural alloy composition using a handheld spectrometer and test insulation coating thickness to ensure zero dielectric leakage.
After-Sales Service
We assign dedicated engineering staff to oversee our after-sales commitments, providing 24/7 technical advisory support. We provide a comprehensive 1-year product warranty and coordinate closely with your installation crews, providing detailed on-site installation guidance, joint insulation inspection, and commissioning support to ensure your system is brought online safely.
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