1000KVA Transformer With 5-Year Warranty on Copper Windings
Product Spotlights
As a professional manufacturer, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our robust 1000KVA transformer, engineered for reliability and backed by a significant 5-year warranty on its high-conductivity copper windings. This product is a cornerstone of our commitment to providing dependable power distribution solutions for industrial and commercial applications worldwide. With over a decade of experience in electrical equipment manufacturing and a presence in markets across North America, Europe, Asia, and beyond, we understand the critical need for transformers that deliver consistent performance and minimize lifecycle costs. Our 1000KVA unit is designed to do just that, offering a blend of efficiency, durability, and long-term value that sets it apart.
This transformer is built to handle demanding environments, making it an ideal choice for factories, data centers, large commercial complexes, and utility substations. The core of its value proposition lies in the extended warranty on the copper windings—a direct reflection of our confidence in the material quality and manufacturing precision. We utilize only high-grade, electrolytically refined copper for the windings, which offers superior electrical conductivity and thermal performance compared to alternatives. This results in lower energy losses (I²R losses) during operation, translating directly into operational cost savings for the end-user over the transformer's lifespan.
Key Features and Technical Specifications:
- Superior Core and Coil Design: Constructed with high-grade, grain-oriented silicon steel laminations for the core to minimize hysteresis and eddy current losses. The copper windings are precisely wound and insulated to withstand thermal and electrical stresses.
- Enhanced Cooling System: Features an efficient ONAN (Oil Natural Air Natural) cooling system. The radiator design ensures optimal heat dissipation, maintaining safe operating temperatures and extending the insulation life.
- Robust Tank and Construction: The tank is fabricated from durable steel, treated with anti-corrosion coatings, and rigorously tested for leaks. Bushings are of high-quality porcelain or polymer, chosen for their excellent dielectric strength and weather resistance.
- Protective Features: Standard fittings include a conservator tank with a breather, a Buchholz relay for gas detection, pressure relief device, and temperature indicators (WTI/OTI) for proactive monitoring and safety.
- Customization Options: We understand that one size does not fit all. Key parameters can be tailored to your specific grid requirements and installation environment.
Technical Parameters Table:
| Parameter | Specification / Option |
| Rated Power | 1000 kVA |
| Primary Voltage (HV) | 11kV, 33kV, or as required |
| Secondary Voltage (LV) | 415V, 11kV, or as required |
| Vector Group | Dyn11, Yyn0, or other standard groups |
| Impedance Voltage | Typically 4-6% (customizable) |
| No-Load Loss (Po) | Complies with relevant efficiency standards |
| Load Loss (Pk) | Optimized design for low losses |
| Sound Level | Designed to meet standard dB(A) limits |
Advantages and Client Benefits:
- Long-Term Cost Efficiency: The high-efficiency copper windings reduce energy waste, lowering electricity bills. The 5-year warranty on windings provides financial predictability by covering a major component against premature failure.
- High Reliability and Uptime: Rigorous quality control during manufacturing, including routine tests (ratio, polarity, resistance, insulation resistance) and optional type tests, ensures the transformer performs reliably, minimizing unplanned downtime.
- Durability in Harsh Conditions: The robust construction and protective finishes make it suitable for installation in various climates, from coastal areas to industrial zones with airborne contaminants.
- Simplified Maintenance: Standardized accessories and clear markings facilitate easier inspection and maintenance procedures for your technical teams.
- Global Compatibility: We can manufacture transformers to comply with IEC, ANSI, or other regional standards, ensuring seamless integration into your existing power infrastructure.
Choosing Jinhua Dika means partnering with an established manufacturer with a solid track record. Our annual export value reflects consistent global demand and trust from clients in diverse markets from North America to Southeast Asia. Our operational framework is supported by a commitment to systematic management practices. We ship from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring logistical flexibility and timely delivery. This 1000KVA transformer with its extended copper winding warranty is more than just a product; it's a strategic investment in the stability and efficiency of your power network. We invite you to contact us with your specific voltage, configuration, and application requirements to receive a detailed proposal. Let us provide you with a transformer solution that powers your operations reliably for years to come.
Frequently Asked Questions (FAQ):
-
Q: What exactly does the 5-year warranty cover?
A: The warranty specifically covers defects in materials and workmanship related to the copper windings for a period of five years from the date of commissioning, under normal operating conditions as per the manual. -
Q: Can this transformer be customized for a specific voltage ratio?
A: Yes, absolutely. While standard ratios are available, we frequently customize the primary and secondary voltages to match your local grid specifications and load requirements. -
Q: What are the lead times for a custom 1000KVA unit?
A: Lead time depends on the complexity of customization. For standard designs, it is typically between 30 to 60 days. A precise timeline will be provided upon confirmation of your technical specifications. -
Q: Do you provide installation guidance or technical support?
A: We provide comprehensive installation and operation manuals. Furthermore, our engineering team is available for remote technical consultation during the commissioning phase to ensure a smooth start-up. -
Q: How does the efficiency of copper windings compare to aluminum?
A: Copper has higher electrical conductivity than aluminum. This means for the same current-carrying capacity, copper windings can be more compact and have lower resistive (I²R) losses, leading to better overall energy efficiency, especially under load. -
Q: What tests are performed before shipment?
A> Every unit undergoes routine tests including turns ratio, polarity, winding resistance, insulation resistance (Megger test), no-load loss, load loss, and impedance voltage measurement. Optional tests like dielectric tests can be arranged. -
Q: Is the transformer suitable for outdoor installation?
A: Yes, it is designed for outdoor pad-mounted installation. The tank, bushings, and coatings are selected to withstand environmental factors like rain, UV radiation, and temperature variations. -
Q: What information do you need to provide a formal quotation?
A> Please provide the required primary/secondary voltages, frequency, vector group, impedance, tapping requirements, any special standards (IEC, ANSI), and the intended application. This allows us to offer the most accurate and competitive proposal.
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