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Help Center10kva to 75 Kva Transformer With Standard Compliant Warranty
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As a leading manufacturer with over a decade of experience in electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present our comprehensive range of power transformers, designed to bridge the gap between reliable power supply and operational efficiency. Our transformers, ranging from 10 kVA to 75 kVA, are engineered with precision to meet the rigorous demands of modern power distribution networks. We understand that a transformer is the heart of any electrical infrastructure, and our commitment to quality, backed by a Standard Compliant Warranty, ensures that this critical component performs flawlessly under diverse conditions. With an annual export value reflecting our global reach and trust, we cater to markets from North America to Southeast Asia, delivering solutions that power industries, commercial establishments, and communities.
Our transformers are not just products; they are tailored solutions built on a foundation of robust engineering and stringent quality control. The core of our offering lies in several key characteristics that set our equipment apart in the competitive landscape of electrical components.
- Robust Construction and Material Integrity: We utilize high-grade electrical steel for the core to minimize hysteresis and eddy current losses, ensuring optimal magnetic performance. The windings are made from high-conductivity copper or aluminum, meticulously insulated with class-rated materials (Class A, B, F, or H available) to withstand thermal stresses and provide long-term reliability. The enclosure, whether for dry-type or oil-immersed models, is constructed from corrosion-resistant materials, offering protection against environmental factors.
- Operational Efficiency and Energy Savings: Designed with low no-load and load losses, our transformers operate at high efficiency levels, directly contributing to reduced energy consumption and lower operational costs over their lifespan. This efficiency is a critical factor for businesses aiming to optimize their power usage and achieve sustainability goals.
- Flexible Configuration and Customization: We recognize that every application has unique requirements. Therefore, our transformers offer a high degree of customization. Primary and secondary voltage ratings can be specified to match your local grid standards or specific equipment needs. Options include various tap changers (off-circuit or on-load), protective devices like lightning arresters and Buchholz relays (for oil types), and different cooling methods (AN/AF for oil, natural or forced air for dry-type). Mounting configurations are equally flexible, suitable for pad, pole, or indoor substation installation.
- Safety and Reliability Features: Safety is paramount. Our dry-type transformers are inherently flame-retardant and self-extinguishing, making them ideal for indoor installations, hospitals, schools, and high-rise buildings. Oil-immersed models are equipped with pressure relief devices, conservators, and silica gel breathers to maintain oil quality and integrity. All designs incorporate features to mitigate thermal runaway and ensure stable operation under varying load conditions.
- Comprehensive Technical Support and Service: Our partnership extends beyond the sale. We provide detailed technical documentation, including wiring diagrams, test reports, and installation manuals. Our team offers support for system integration and can advise on the optimal transformer selection for your specific load profile and environmental conditions.
To provide a clear overview, here are some typical technical specifications for our standard model range. Please note that these are indicative, and final specifications are confirmed upon order based on your requirements.
| Parameter | Specification Range |
|---|---|
| Power Rating (kVA) | 10, 15, 25, 37.5, 50, 63, 75 |
| Primary Voltage (V) | Up to 35 kV (Customizable) |
| Secondary Voltage (V) | 100V, 110V, 120V, 208V, 220V, 230V, 240V, 380V, 400V, 415V, 440V, 480V |
| Frequency (Hz) | 50 or 60 |
| Vector Group | Dyn11, Yyn0, or as required |
| Insulation Class | A (105°C), B (130°C), F (155°C), H (180°C) |
| Impedance Voltage (%) | Typically 4% or 6% (Customizable) |
| Sound Level | Low noise design, compliant with relevant standards |
The advantages of choosing our transformers translate into tangible benefits for your operation. You gain a dependable power conversion unit that minimizes downtime, a cost-effective solution through energy efficiency and long service life, and a versatile component that can be integrated into new projects or used to upgrade existing infrastructure. Furthermore, the Standard Compliant Warranty provides peace of mind, covering manufacturing defects and ensuring support is available should any issues arise, safeguarding your investment.
Our commitment to excellence is underscored by a robust operational framework. Jinhua Dika Electrical Equipment Co., Ltd. operates with a dedicated team of 11-50 professionals focused on engineering and quality assurance. Our manufacturing processes are guided by a commitment to systematic management, ensuring consistent product quality. We facilitate smooth global logistics through major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, serving a diverse clientele across North America, South America, Europe, Asia, Africa, and Oceania. This global footprint is a testament to the reliability and adaptability of our electrical solutions. When you partner with us, you are not just purchasing a transformer; you are investing in a reliable power foundation backed by manufacturing expertise and a customer-centric approach. We invite you to contact us with your specific technical requirements to receive a detailed quotation and discover how our 10 kVA to 75 kVA transformers can enhance the stability and efficiency of your electrical system.
Frequently Asked Questions (FAQ)
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Q: What is the typical lead time for an order of these transformers?
A: Lead time varies based on the order quantity, customization level, and current production schedule. For standard specifications, it typically ranges from 4 to 8 weeks. We provide a confirmed timeline upon receipt of your official purchase order. -
Q: Can you provide transformers for both 50Hz and 60Hz power systems?
A: Yes, absolutely. Our transformers can be designed and manufactured to operate efficiently on both 50Hz and 60Hz frequencies. The specific frequency requirement must be specified at the time of ordering to ensure correct core and winding design. -
Q: What does the "Standard Compliant Warranty" cover, and what is its duration?
A: Our Standard Compliant Warranty covers defects in materials and workmanship under normal use and service conditions. The standard warranty period is typically one year from the date of commissioning or 18 months from the date of shipment, whichever comes first. Detailed warranty terms are provided with the commercial contract. -
Q: Do you offer both copper-wound and aluminum-wound transformers?
A: Yes, we offer both options. Copper windings generally offer higher conductivity and mechanical strength, while aluminum can be a cost-effective alternative for certain applications. We can advise on the best material choice based on your budget, performance requirements, and local standards. -
Q: Are test reports provided with the transformers?
A: Yes, each transformer is thoroughly tested before dispatch. We provide routine test reports which include measurements of winding resistance, ratio, polarity, impedance voltage, no-load loss, and load loss. Additional type or special tests can be conducted upon request and agreement. -
Q: How do I determine the correct kVA rating needed for my application?
A: The required kVA rating depends on your total connected load, diversity factor, and future expansion plans. As a basic guide, sum the power ratings (in kVA or kW, converting as needed) of all equipment to be supplied, considering their simultaneous operation. We strongly recommend consulting with our technical team who can assist you in performing a detailed load study and selecting the optimal rating. -
Q: What are the main differences between dry-type and oil-immersed transformers in your range?
A: Dry-type transformers use air or resin as the cooling and insulating medium, making them safer for indoor use, maintenance-free, and environmentally friendly. Oil-immersed transformers use insulating oil, which provides excellent cooling and insulation, often resulting in a more compact size for the same rating and are typically used for outdoor or utility applications. The choice depends on installation location, safety regulations, and budget. -
Q: Do you provide installation supervision or commissioning services?
A: While we provide detailed installation manuals and drawings, on-site supervision or commissioning services are available as an optional extra. This can be arranged separately based on project requirements and location.
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