| Customization: | Available |
|---|---|
| Application: | Power |
| Phase: | Three |
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Introduction: A Gateway to Excellence
This exceptional product series embodies the stellar FOUR LOW AND ONE HIGH attributes: low loss, low noise, minimal temperature rise, low partial discharge, and unparalleled high reliability. It is expertly designed to be core-hoisting free, ensuring no leakage. Endorsed by the National Transformer Quality Inspection and Testing Center, every specification proudly meets the esteemed JB/T3837-2003 standard.
Model Specifications
S F Z 10-×××/××
| S/N | Symbol | Meaning |
| 1 | S | Three phases |
| 2 | F | Air-cooling(blank for Natural cooling) |
| 3 | Z | On load tap changing(bland for no-load tap changing) |
| 4 | 10 | Symbol of Performance level |
| 5 | xxx | Rated capacity,kVA |
| 6 | xx | Voltage grade of HV winding,kV |
Distinctive Features
1. Ingenious and Innovative Design Strategy
Harnessing cutting-edge computer software, we meticulously analyze the winding electric field under high voltage to precisely calculate the distribution of electric field gradients. This ensures the winding structure endures high voltage impulses. The insulation structure is scientifically optimized to boost operational safety. Magnetic leakage and temperature fields are thoughtfully calculated, aligning field performance with design requirements. The lamination design is optimized, minimizing magnetic distortion in gaps and enhancing no-load efficiency.
2. Premium Iron Cores
Crafted from superior grain-oriented cold-rolled silicon-steel, the iron core is delicately cut with a specialized shearing machine to minimize burrs. Implementing multi-step and 45° all-leaning joints significantly reduces no-load loss, current, and noise. The robust core clamping device adopts a board structure for exceptional mechanical strength, with fastening nails ensuring ample transformer axis padding block pressure.
3. High-Purity Oxygen-Free Copper Windings: Maximizing Load Efficiency
The inner coil is meticulously wound on the insulation barrel, with chamfering spacers and padding blocks applied to harmonize the electric field and enhance structural stability. The BDK-80M synchronized lifting equipment is utilized during assembly to secure axial precision and fortify axial robustness.
4. Innovative Tank Design
Engineered with broad-width steel plates to minimize welding seams, the folded plate type tank boasts a sophisticated appearance and superior mechanical strength, confirmed by standard positive pressure and vacuum tests. Special welding techniques and groove-type flanges ensure durability and leak-proof reliability over time. The wide-plate radiation system, equipped with heavy-duty, low-noise blowers, elevates heat dissipation efficiency while minimizing radiating plates and preventing leaks. This tank can be seamlessly mounted on the transformer, and the capsule-type conservator effectively slows down oil aging under vacuum conditions to strengthen electric integrity.
5. Advanced Protection System
The Pt100 thermal resistor temperature control system is a standard feature, coupled with a pressure relief valve with contacts atop the tank. The conservator is equipped with an oil indicator with contact and vacuum relays, while the tank features an oil pressure indicator with contacts, all designed for seamless signal conversion and transfer. Both high and low-voltage bushings are crafted from pollution-resistant porcelain oil types, extending insulation space for high pollution conditions. Padding plates and terminal cases, made from stainless steel, add an elegant touch to the overall appearance.
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