Dry type transformer quotation

　　Dry-Type Transformer Pricing Analysis

　　Dry-type transformers are widely used in data centers, commercial buildings, industrial plants, and other scenarios due to their oil-free design, excellent fire resistance, and low maintenance costs. Their pricing is influenced by multiple factors, including capacity, technical specifications, brand, configuration, and market conditions. Below is a detailed analysis covering pricing components, influencing factors, reference price ranges, and selection recommendations.

　　I. Pricing Components of Dry-Type Transformers

　　The price of a dry-type transformer typically consists of the following parts:

　　Core Component Costs

　　Iron Core: High-quality cold-rolled silicon steel sheets are used. Lower losses result in higher costs (e.g., amorphous alloy cores are 20%-30% more expensive than standard silicon steel cores).

　　Windings: Copper windings cost 3-4 times more than aluminum windings but offer better conductivity (reducing losses by ~15%).

　　Insulation Materials

　　High-temperature-resistant materials like Nomex® paper and epoxy resin are used, accounting for ~10%-15% of the cost.

　　Protection Level

　　IP20 (basic protection) vs. IP23 (dustproof and water-resistant): Prices differ by ~5%-8%.

　　Temperature Control System

　　Standard fan temperature control (auto-start/stop fans) vs. intelligent monitoring systems (with communication interfaces): Prices differ by ~10%-15%.

　　Brand Premium

　　International brands (e.g., ABB, Siemens) are 20%-50% more expensive than domestic brands (e.g., Shunte, Jinpan).

　　Certifications and Standards

　　Products compliant with international standards (IEC, GB, UL) are priced ~5%-10% higher.

　　II. Factors Influencing Dry-Type Transformer Pricing

　　Capacity (kVA)

　　100 kVA dry-type transformer: ~¥25,000-¥35,000

　　1000 kVA dry-type transformer: ~¥120,000-¥180,000

　　2500 kVA dry-type transformer: ~¥280,000-¥400,000

　　Capacity is the primary determinant of price. Larger capacities result in lower unit kVA costs (due to economies of scale).

　　Examples:

　　Voltage Level

　　Low Voltage (0.4 kV): Base price.

　　Medium Voltage (6-35 kV): Prices increase by 15%-30% due to higher insulation requirements.

　　Loss Level

　　Grade I Energy Efficiency (GB 20052-2020): No-load losses are 10%-15% lower than Grade II, with a 5%-8% price premium.

　　Grade II Energy Efficiency: Cost-effective and the market mainstream.

　　Special Configurations

　　Non-Standard Dimensions: Custom designs incur a 10%-20% surcharge.

　　Emergency Features: Such as temperature control systems with built-in UPS power supplies, adding ~5% to the price.

　　Market Supply and Demand

　　Price fluctuations in raw materials (e.g., copper, silicon steel) directly impact transformer pricing.

　　Copper price fluctuations of ~10% in 2023 led to synchronous price adjustments for transformers.

　　III. Reference Price Table for Dry-Type Transformers

　　The following are reference prices (in ¥10,000, tax included) for common capacities and configurations:

　　Notes:

　　Prices above are based on Grade II energy efficiency, copper windings, and IP20 protection level.

　　International brand prices are 20%-50% higher than the above figures.

　　IV. Selection and Pricing Optimization Recommendations

　　Clarify Requirements

　　Load Characteristics: For continuous operation, opt for Grade I energy efficiency; for intermittent loads, Grade II is sufficient.

　　Environmental Requirements: In humid or dusty environments, select IP23 or higher protection levels.

　　Cost Control

　　Capacity Redundancy: Avoid overdesign; recommend selecting a capacity 1.2-1.3 times the actual load.

　　Winding Material: Aluminum windings offer better cost-effectiveness but have slightly shorter lifespans and higher losses than copper windings.

　　Brand Selection

　　Domestic Brands: Shunte, Jinpan, TBEA, etc., offer high cost-effectiveness and fast after-sales response.

　　International Brands: ABB, Siemens, Schneider, etc., are suitable for high-end projects or export needs.

　　Long-Term Benefits

　　Energy Efficiency: Grade I transformers have higher initial costs but can reduce total lifecycle costs by 10%-15%.

　　Smart Monitoring: Adding IoT modules enables remote operation and maintenance, reducing downtime losses.

　　V. Pricing Acquisition and Negotiation Tips

　　Multi-Channel Quotation

　　Obtain quotes from at least three suppliers and compare technical specifications and after-sales services.

　　Focus on Added Services

　　Free warranty period (typically 2-3 years), installation and commissioning, training, etc.

　　Bulk Purchasing

　　A single purchase of ≥5 units can secure a 5%-10% discount.

　　Long-Term Cooperation

　　Sign framework agreements with suppliers to lock in price fluctuation risks.

　　VI. Summary

　　Dry-type transformer pricing is influenced by capacity, energy efficiency, brand, configuration, and other factors. Users are advised to:

　　Clarify Requirements: Determine technical parameters based on load characteristics and environmental conditions.

　　Control Costs: Reasonably select capacity, winding materials, and energy efficiency levels.

　　Focus on Long-Term Benefits: Prioritize Grade I energy efficiency products to reduce total lifecycle costs.

　　Optimize Procurement Strategy: Lower initial investment through multi-channel quotation and bulk purchasing.

　　By adopting scientific selection and reasonable negotiation strategies, users can achieve optimal cost-effectiveness while ensuring performance.