Indoor Dry Type Transformer
Indoor dry type transformers are indoor electrical equipment insulated with solid materials such as epoxy resin and self-cooled by air. They require no insulating oil and offer advantages such as safety, environmental friendliness, no risk of oil leakage or fire, compact structure, and convenient installation. The products boast high insulation reliability and a long service life. They are widely used in various indoor power distribution locations such as office buildings, data centers, hospitals, subways, and factory workshops.
Description
Details page content
I. A brief product introduction
Utilizing high-permeability silicon steel sheets as the core and oxygen-free copper conductors in the windings, which are vacuum-cast with epoxy resin, indoor dry type transformer boasts excellent insulation and moisture-proof properties. The outer casing is made of corrosion-resistant steel plate, suitable for various indoor environments.
Indoor dry type transformer features an oil-free design, is fireproof and leak-proof, has a compact structure, and is easy to install. Solid insulation provides dust and moisture protection, strong overload capacity, and stable and reliable operation.
II. Model Explanation
III. Product Details/Advantages
Structural Design & Key Advantage
Core Efficiency: The iron core utilizes a stepped joint process to minimize magnetic resistance and reduce operational noise.
Winding Reliability: Windings are tightly wound and vacuum-cast in epoxy resin, eliminating air bubbles to enhance insulation and durability.
Intelligent Temperature Control: An integrated temperature control system automatically activates cooling or triggers alarms as needed, ensuring safe operation.
Low-Resistance Terminals: Terminals employ copper-aluminum transition materials to effectively reduce contact resistance and improve conductivity.
Robust Casing: The casing is designed with ventilation louvers and protective mesh, providing efficient heat dissipation and enhanced safety.
Smart Monitoring (High-End Models): High-end models feature an online monitoring module that enables remote data transmission, supporting smart operation and improved reliability.
IV. Product Parameters
- Power Range: 50–2500 kVA
- Applicable Voltage Levels: 10 kV / 35 kV and below
- Application: Mainstream power distribution systems
- Voltage Regulation: Low voltage regulation
- Operational Stability: Stable operation
- Loss Level: Low loss
- Energy Efficiency: High energy efficiency
- Insulation Temperature Class: F / H class
- Short-Circuit Withstand Capability: Strong
- Protection Rating: IP40
- Suitable Environment: Various indoor industrial environments 4
V. Scope of Supply
|
No |
Name |
Model |
Quantity |
Unit |
|
1 |
dry type grounding transformer |
Based on actual parameters |
1 |
Set |
|
2 |
cabinet body |
Based on actual parameters |
1 |
Set |
VI. Optional Customization Solutions
We understand that standardized products cannot meet all application scenarios. Therefore, we possess strong flexible customization capabilities. Whatever your needs in terms of performance, specifications, or special functions, our technical team can respond quickly and provide one-on-one customized services to ensure that the product perfectly matches your project requirements.
VII. Quality
Rsafele Electric integrates quality control throughout the entire process of product realization, ensuring it through strict process management and established plans.
Qualification association: We adhere strictly to globally recognized regulations and protocols, integrating environmental excellence and quality management throughout the product lifecycle.
VIII. Real-world cooperation cases
We customized and installed an indoor dry type transformer to meet the compact power supply requirements of the Costa Rica project. Based on the client's stringent requirements for space utilization, low noise, and fire resistance, we adopted a core solution featuring epoxy-cast insulation and a lightweight copper winding design. It operated continuously for 18 months without failure, and the client highly praised its space adaptability and operational stability.
IX. Application Scenarios
Indoor dry type transformers are primarily used in indoor locations with specific requirements for safety, environmental protection, and space. Their core advantages lie in their oil-free, fire-resistant, compact structure, ease of maintenance, and strong environmental adaptability. Their main application scenarios can be summarized as follows:
1. Public and commercial buildings
2. Industrial and infrastructure
3. Critical facilities with high power quality requirements.
In summary, any indoor environment requiring safe, reliable, and clean power distribution is essentially a typical application scenario for indoor dry-type transformers.
X. Our Service
Our after-sales service and technical team solemnly promises
Pre-Sales Service
Consultation & Guidance: 24/7 online support with expert engineers to clarify needs, recommend solutions, and advise on pricing and processes.
On-Site Inspection: Engineers visit sites for precise measurements and environmental assessment, deliver detailed reports to support tailored system design.
Wide Applications
Year Warranty: Covers material/manufacturing defects as per contract.
Dedicated Support: One-on-one follow-up from a specialized team for seamless assistance.
Multi-Channel Help: Support via contacts, project teams, or website; fast global coordination for repairs or replacements during warranty.
XI. Product usage tutorials, solutions, and technical problem notifications
Pre-Startup Checklist: Key Verification Items
- Visual & Mechanical Inspection
- Electrical Integrity Check
- Cooling & Environmental Verification
[Click here to view the complete product manual & detailed instructions >]
XII. Packaging and Transportation
XIII. Factory Strength
1. Qualification Certificates
2. Innovative technologies/capabilities
(1) High-tech enterprise certificate
3. Supply Chain Advantages
- Scalability and Standardization: A long-term focus on standard products, resulting in high design and process maturity.
- High Efficiency Response: Adopting a "production-to-order" model combined with safety stock ensures efficient delivery.
- Stable Quality: Optimizing the entire process from procurement to production through digital systems such as ERP ensures product consistency and reliability.
4. Professional production equipment (CNC)
XIV. FAQ
Q1. What could be causing an abnormally high winding temperature? How should it be handled?
Causes: Usually caused by cooling system malfunction (e.g., fan failure), prolonged overload operation, severe dust accumulation on the winding surface, or internal faults (e.g., inter-turn short circuits).
Handling: First, clean the winding and inspect/replace the faulty fan; if the temperature remains high after reducing the load, the machine must be stopped and the insulation and DC resistance tested to rule out internal faults.
Q2. What factors cause a decrease in insulation resistance? How should it be resolved?
Causes: The main causes are winding dampness, surface dirt and dust accumulation, aging insulation materials, or excessive humidity in the operating environment.
Handling: The winding should be cleaned and dried (e.g., hot air drying), and measures should be taken to reduce ambient humidity (recommended ≤85%) to fundamentally prevent moisture absorption.
Q3. What faults might be indicated by abnormal sounds heard during operation?
Causes and Handling:
"Crackling" discharge sound: This may indicate insulation breakdown; the machine must be stopped immediately for inspection and replacement of damaged insulation.
A sharp "buzzing" sound: This is often caused by overload or overvoltage, requiring load reduction or checking the mains voltage.
A continuous friction sound: This may originate from loose core clamps or worn fan bearings, requiring tightening or replacement as needed.
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