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>> Product Introduction
Yawei's SZ-63000/110/35 is a high-performance, 63MVA power transformer designed for 110kV/35kV voltage conversion. Compliant with IEC/IEEE/GB standards, it features:
✔ Low-loss silicon steel core (efficiency >99.3%)
✔ ONAN/ONAF cooling for stable operation
Ideal for substations & industrial grids, with a 45 year design life. Custom configurations available.
Product Advantage
1.Rapid quotation for Power Transformer:
Yawei Electric Group delivers 24-hour rapid quotation with comprehensive technical proposals, reducing bid preparation time by 40%. Our standardized documentation system ensures 100% compliance with international tender requirements (IEC/IEEE/GB...).
2.Digitalized Workflow for Transformer Projects:
Our digitalized workflow ensures seamless coordination from design to delivery, minimizing human errors by 30%. Each project is tracked via real-time IoT monitoring, guaranteeing consistency across all phases.
3. Reduced Production & Delivery Lead Times:
Advanced modular manufacturing cuts production cycles by 25%, while our global logistics network ensures delivery within 8-12 weeks
4. Fast Documentation for Transformer Shipments:
Yawei maintains <1% defect rate with 100% pre-shipment testing. Our dual-supply chain strategy prevents material shortages, ensuring 99.5% on-time delivery since 2020.
5. Expedited & Standardized Documentation:
Automated systems generate IEC/IEEE-compliant docs in 48 hours, including:
Test reports, Installation manuals, Paperless e-documentation for faster customs clearance
6. Punctual Just-in-Time Delivery
>> Technical Parameters
| Type | Step down power transformer |
| Model | SZ-63000-110/35 |
| Cooling Method | ONAN/ONAF |
| Primary Voltage | 110kV |
| Secondary Voltage | 35kV |
| Rated Frequency | 50HZ |
| Rated Power | 63MVA |
| Winding Material | Copper |
| Voltage Regulation | OLTC |
| Tapping Range | ±8×1.25% |
| Connection Group | YNd11 |
| Transformer Dimension | 6730×5530×5250mm |
| Weight | 74000kg |
>> Product Uses
Here are four specific application scenarios of Power Transformer:
1. Power Generation Plants
Power transformers play a vital role in generation facilities by stepping up voltage (typically to 110kV–800kV) for efficient long-distance transmission. They are used in hydro, thermal, nuclear, and renewable energy plants, featuring robust designs to withstand harsh conditions (humidity, vibrations, and temperature fluctuations) while maintaining 99%+ efficiency.
2. Transmission & Distribution Substations
In 345kV–550kV substations, transformers enable voltage conversion between transmission and distribution networks. They ensure stable power flow with <1% voltage regulation and support smart grid integration with real-time monitoring.
3. Heavy Industries (Steel, Cement, Petrochemical)
Industrial-grade transformers (10kV–66kV) provide reliable power for high-load machinery.
4. Renewable Energy Integration
Transformers for wind/solar farms are designed for:
Frequent load cycling (50,000+ cycles)
Low-noise operation (<65dB)
>> Product Operate Guide
Generic installation and use instructions for 110kV class power transformers, containing the following sections:
1. Lifting and jacking of transformer body
2. Transportation and handling
3.Check and acceptance
4.Storage and keeping of product (body and component)
5.Overall reassembly on site
6.Vacuum oil filling: vacuum oil filling must be conducted after general assembly of the transformer has been fully completed.
7.External surface cleaning and painting makeup of transformer
8.Check and handover test before commissioning
9.Operation
10. Inspection and maintenance
Product Video
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