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As a specialized manufacturer with over a decade of experience in electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. proudly presents our 30kVA Dry Type Transformer for power transmission. Engineered for reliability and safety in demanding three-phase applications, this transformer is a cornerstone for efficient voltage conversion from 380V to 110V. Our commitment to quality, backed by a robust ISO 9001 certified manufacturing process, ensures you receive a product designed for longevity and stable performance in commercial and industrial power distribution networks.
This dry-type, air-cooled transformer eliminates the risks associated with liquid-filled units, offering a cleaner, safer, and more environmentally friendly solution. Its compact design and robust construction make it an ideal choice for installations where fire safety, space constraints, or minimal maintenance are critical considerations.
Core Features & Technical Advantages:
- Enhanced Safety & Environmental Compliance: Contains no oil or liquid dielectric, significantly reducing fire hazards and eliminating the risk of soil or water contamination. This makes it suitable for installation in sensitive environments like hospitals, schools, high-rise buildings, and factories with strict safety protocols.
- Superior Thermal Performance: Utilizes high-grade silicon steel cores and Class F or H insulation systems, allowing the transformer to operate at higher temperatures without degradation. Advanced ventilation design ensures efficient heat dissipation, contributing to a longer operational lifespan.
- Low Maintenance & High Reliability: The sealed, moisture-resistant construction protects the windings from dust and corrosive atmospheres. With no need for periodic oil testing, filtration, or replacement, operational costs are drastically reduced over the transformer's service life.
- Excellent Load Characteristics: Designed to handle various load profiles, including non-linear loads from modern electronic equipment, with low losses and minimal voltage distortion, ensuring stable power quality for your connected machinery.
- Customizable Configurations: While our standard model is optimized for 380V/110V conversion, we offer flexibility. Options include different primary/secondary voltage taps, choice of winding material (copper for higher efficiency or aluminum for cost-effectiveness), and enclosures for indoor (IP20) or outdoor (IP23, IP54) applications.
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Rated Power | 30 kVA |
| Primary Voltage (High Voltage) | 380 V, Three-Phase |
| Secondary Voltage (Low Voltage) | 110 V, Three-Phase |
| Frequency | 50/60 Hz (Standard) |
| Insulation Class | Class F (155°C) or Class H (180°C) available |
| Vector Group | Dyn11, Yyn0, or others upon request |
| Noise Level | < 55 dB(A) (Typical at 1m distance) |
| Cooling Method | AN/AF (Air Natural / Air Forced) |
| Standards | IEC 60076, ANSI C57.12.01, GB 1094.11 |
Benefits for Your Business:
- Operational Safety: Eliminates fire and environmental liabilities, simplifying compliance with building codes and insurance requirements.
- Reduced Total Cost of Ownership: Lower installation costs (no containment vaults needed), zero fluid maintenance, and high energy efficiency translate to significant long-term savings.
- Installation Flexibility: Can be installed directly adjacent to the load center, reducing secondary cable losses and saving valuable floor space.
- Durability in Harsh Conditions: Resistant to moisture and contamination, performing reliably in environments where oil-filled transformers might fail.
Trust in a product born from a manufacturer with a global footprint. Jinhua Dika Electrical serves markets across North America, Southeast Asia, Europe, and Africa, exporting over US$1 million annually. Our comprehensive quality management system, evidenced by ISO 9001 certification, governs every production stage. Supported by a dedicated team of 11-50 professionals, we ensure each 30kVA dry-type transformer meets rigorous performance standards before shipment from major ports like Shanghai, Tianjin, or Ningbo. This transformer is not just a component; it's a reliable, safe, and cost-effective foundation for your power distribution needs. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ)
Q1: What are the main advantages of a dry-type transformer over an oil-filled one?
A: Dry-type transformers offer superior safety as they contain no flammable oil, reducing fire risk. They are more environmentally friendly, require less maintenance (no oil testing/change), and allow for flexible installation in confined or indoor spaces without the need for containment systems.
Q2: Is this 30kVA transformer suitable for outdoor installation?
A: The standard model is designed for indoor use (IP20 enclosure). However, we offer weatherproof enclosures with higher IP ratings (like IP23 or IP54) as an optional feature for outdoor applications. Please specify your installation environment when inquiring.
Q3: Can the input/output voltages be customized?
A: Absolutely. While the standard model is configured for 380V to 110V conversion, we can manufacture units with various primary and secondary voltage combinations to match your specific grid or equipment requirements. Custom voltage taps are also available.
Q4: What is the expected lifespan of this dry-type transformer?
A: When operated within its specified ratings and in a suitable environment, a well-manufactured dry-type transformer can have an operational life exceeding 25-30 years. The lifespan is heavily influenced by the insulation class and operating temperature.
Q5: Do you offer transformers with copper or aluminum windings?
A: Yes, we provide both options. Copper windings generally offer higher efficiency and better overload capacity, while aluminum windings provide a cost-effective alternative. We can advise on the best choice based on your budget and performance priorities.
Q6: What certifications does this product comply with?
A: Our manufacturing processes are ISO 9001 certified. The transformers are designed and tested in accordance with international standards such as IEC 60076 and ANSI C57.12.01. Specific product certifications can be provided upon request and are subject to project requirements.
Q7: What is the typical delivery lead time for a standard unit?
A: For standard 30kVA, 380V/110V models, the lead time is typically 4-6 weeks after order confirmation. Lead times for customized specifications may vary. We provide accurate timelines upon order placement.
Q8: How do I determine if a 30kVA rating is sufficient for my application?
A: You need to calculate the total kVA demand of all connected loads, considering both continuous and peak demands, and apply appropriate diversity factors. It's recommended to include a safety margin (e.g., 20-25%). Our technical team can assist you with load calculation and selection to ensure optimal performance.
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