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Help CenterThree-phase 1000KVA 11kV Transformer With 100% Copper Windings and 5-Year Warranty
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As a professional manufacturer with over a decade of experience in electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present our high-performance Three-phase 1000KVA 11kV Transformer. Engineered for reliability and efficiency, this transformer is designed to meet the rigorous demands of modern industrial power distribution and utility networks. Our commitment to quality, backed by a comprehensive 5-year warranty, ensures you receive a durable and cost-effective solution for your energy transmission needs. Leveraging our expertise and a robust supply chain, we deliver products that are built to last, providing stable and safe power conversion for your critical operations.
This transformer is constructed with meticulous attention to detail, featuring 100% copper windings for superior conductivity and thermal performance. The use of high-grade materials and advanced manufacturing techniques results in lower losses, reduced operating temperatures, and enhanced overall efficiency compared to alternatives using aluminum windings. The robust tank construction ensures excellent protection against environmental factors, making it suitable for both indoor and outdoor installations in diverse climates.
Key Features & Technical Advantages:
- High-Efficiency Design: Optimized core and winding design minimizes no-load and load losses, leading to significant energy savings over the transformer's operational lifetime.
- Exceptional Thermal Management: The high thermal capacity of copper windings, combined with efficient cooling radiators, allows for better overload capacity and longer insulation life.
- Enhanced Reliability & Safety: Features include a conservator with breather, Buchholz relay for gas detection, pressure relief device, and temperature indicators, ensuring safe operation and early fault detection.
- Low Noise Operation: Core construction and clamping techniques are designed to reduce vibration and audible noise, making it suitable for installations near residential or office areas.
- Corrosion-Resistant Finish: The tank and external components are treated with high-quality paint or coatings to withstand harsh environmental conditions, including coastal or industrial atmospheres.
- Flexible Configuration: Available with various tap changer options (off-circuit or on-load), bushings (porcelain or polymer), and protection accessories to meet specific project requirements.
The transformer's design adheres to international standards for performance and safety. Its robust construction ensures minimal maintenance requirements, translating to lower total cost of ownership. For industrial plants, commercial complexes, renewable energy farms, and utility substations, this 1000KVA unit provides a dependable link in the power chain, ensuring voltage stability and power quality for downstream equipment.
Core Technical Specifications:
| Parameter | Specification |
| Rated Power | 1000 kVA |
| Primary Voltage (HV) | 11 kV (or as specified, e.g., 10kV, 11.5kV) |
| Secondary Voltage (LV) | 400V, 415V, 480V (or as required) |
| Vector Group | Dyn11, Yyn0, or others (customizable) |
| Impedance Voltage | Typically 4-6% (as per design) |
| Noise Level | |
| Dimensions (LxWxH) | Approx. 2500 x 1500 x 2000 mm (subject to design) |
| Weight (Oil + Core) | Approx. 4000 - 5000 kg |
Choosing our transformer brings tangible benefits to your project:
- Reduced Energy Costs: High efficiency directly lowers electricity bills.
- Increased System Uptime: Reliable performance minimizes unplanned outages and production losses.
- Long-Term Investment Protection: The 5-year warranty and durable construction safeguard your capital expenditure.
- Compliance & Future-Proofing: Designed to meet common grid and industry standards, facilitating easier approvals.
Trust in a partner with a proven track record. Jinhua Dika Electrical Equipment Co., Ltd. supports its products with an annual export value ranging between US$1 Million and US$1.5 Million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. Our manufacturing processes are guided by a commitment to quality management. We ship efficiently from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring timely delivery. This 1000KVA transformer is more than just a component; it's a cornerstone of your power infrastructure, designed for performance, protected by warranty, and supported by an experienced manufacturer. Contact us today to discuss your specifications and receive a detailed quotation.
Frequently Asked Questions (FAQ):
-
Q: What are the main advantages of using 100% copper windings instead of aluminum?
A: Copper windings offer higher electrical conductivity, which results in lower resistive losses (I²R losses), better efficiency, superior short-circuit withstand capability, and improved thermal performance. This leads to a more compact design for the same rating and longer operational life. -
Q: Is this transformer suitable for both 50Hz and 60Hz power systems?
A: Yes, the transformer can be designed and manufactured to operate efficiently on both 50Hz and 60Hz frequencies. The specific design parameters (like core cross-section) are adjusted accordingly. Please specify your required frequency during inquiry. -
Q: What does the 5-year warranty cover?
A: Our warranty typically covers defects in materials and workmanship under normal use and service conditions as specified. It includes the core, windings, and tank. Consumable items like bushings, gaskets, or oil are generally covered for a shorter period. The exact terms will be provided in the commercial contract. -
Q: Can you provide custom voltage ratios or vector groups?
A: Absolutely. As a manufacturer, we specialize in providing customized solutions. We can produce transformers with various primary and secondary voltage combinations, as well as different vector groups (e.g., Dyn11, Yyn0, YNd11) to match your specific grid or application requirements. -
Q: What kind of testing is performed before shipment?
A: Each transformer undergoes routine tests as per international standards, which typically include: Ratio and Polarity Test, Winding Resistance Measurement, No-Load Loss & Current Test, Load Loss & Impedance Voltage Test, Dielectric Tests (Induced Overvoltage, Separate Source Voltage), and Oil Dielectric Strength Test. Additional type or special tests can be arranged. -
Q: What are the delivery and installation considerations?
A: The transformer is shipped filled with oil or dry (nitrogen-filled). We provide detailed dimensional drawings, weight, and center of gravity information for handling. Installation requires a suitable foundation, proper lifting equipment, and connection by qualified electrical personnel following local regulations and our provided manual. -
Q: Do you offer accessories like protective relays or marshalling kiosks?
A: Yes, we can supply a range of accessories including temperature indicators (WTI/OTI), pressure relief devices, Buchholz relays, silica gel breathers, and even integrated local control cubicles (LCC) for monitoring and protection, offering a more complete package. -
Q: How do I determine if 1000KVA is the right size for my application?
A: Transformer sizing depends on your total connected load, diversity factor, and future expansion plans. It's recommended to consult with your electrical engineer or provide us with your load details (in kVA or kW with power factor) and we can assist in recommending the appropriate rating.
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