Customization: | Available |
---|---|
Application: | Power |
Phase: | Three |
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Brief Introduction
This exceptional series of transformers from China Electric Equipment (Jiangsu) Transformer Manufacture Co., Ltd., epitomizes the groundbreaking FOUR LOW AND ONE HIGH characteristics: low loss, low noise, low temperature rise, low partial discharge, and unparalleled high reliability, coupled with core-hoisting freedom and zero leakage. Endorsed by the esteemed National Transformer Quality Inspection and Testing Center, every specification of these transformers meets or exceeds the rigorous JB/T3837-2003 standards.
Model
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 |
Features
1. Scientific and Advanced Design Scheme
Harnessing state-of-the-art computer software, the design meticulously analyzes the winding electric field under high voltage, ensuring precise distribution and impeccable structure to withstand high-voltage impulses. Rigorous analysis and calculation of the transformer's insulation structure ascertain safe operations. Furthermore, the magnetic leakage and temperature fields are optimized for superior performance, while a refined lamination design minimizes magnetic distortion, elevating no-load efficiency.
2. Iron Cores
Crafted from premium grain-oriented cold-rolled silicon-steel sheets, the iron core is expertly trimmed with specialized shearing machinery, minimizing burrs. Multi-step and 45° all-leaning joints significantly reduce no-load loss, current, and noise. A robust board structure for core clamping ensures exceptional mechanical strength, while secure fastening nails maintain optimal transformer axis pressure.
3. High Purity Oxygen-Free Copper Windings, Minimize Load Loss
The inner coil is meticulously wound on an insulation barrel, employing chamfering spacers and padding blocks to equalize the electric field and boost stability. The BDK-80M synchronized lifting-up equipment ensures precision in axial winding placement, enhancing axial strength and reliability.
4. Tank
A wide-width steel plate minimizes welding seams on the roof, creating a folded plate type tank with sleek aesthetics and formidable mechanical strength, proven in both positive pressure and vacuum tests. Innovative welding techniques and groove type flanges guarantee long-term, leak-free operation. The extensive plate radiation system paired with robust, low-noise blowers elevates heat dissipation efficiency, reducing radiating plates and thwarting leakage, seamlessly integrating onto the transformer. A capsule-type conservator delays oil aging under vacuum, strengthening electric capability.
5. Protection System
The Pt100 thermal resistors temperature control system is seamlessly integrated within the transformer, complemented by a pressure relief valve with contacts atop the tank, an oil indicator with contacts, and vacuum relays on the conservator. Additionally, the oil pressure indicator with contacts is housed in the tank. This comprehensive equipment suite is designed for efficient signal conversion and transfer. Both HV and LV bushings utilize pollution-retardant porcelain oil types, ideal for high-pollution environments, while the stainless steel padding plates and terminal case exude sophistication and durability.