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15KVA Auto Transformer
Instrava Curated Transformer — Efficient Voltage Conversion for Industrial and Commercial Power Systems
At Instrava, we go beyond simply supplying transformers. Through our Curated Transformer approach, we carefully evaluate and select proven power conversion technologies from trusted manufacturers, ensuring reliable performance, energy efficiency, and long-term operational value.
The 15KVA Auto Transformer is designed to provide efficient voltage conversion between different voltage levels while maintaining a compact footprint and high efficiency. Compared to conventional isolation transformers, auto transformers utilize a single winding design, reducing material usage, improving efficiency, and lowering installation costs.
Designed for industrial equipment, manufacturing systems, commercial facilities, HVAC systems, machinery exports, and voltage matching applications, the transformer delivers stable voltage transformation with robust overload capability and dependable long-term performance.
Available in capacities ranging from 3KVA to 3000KVA, this transformer can be customized to meet various voltage requirements, making it a flexible solution for domestic and international power systems.
Transformer Description
Why Choose a 15KVA Auto Transformer?
High Efficiency Voltage Conversion
Because primary and secondary circuits share a common winding, auto transformers achieve higher efficiency than traditional isolation transformers. This design reduces energy losses and improves overall system performance.
Compact Design and Reduced Installation Costs
The shared winding structure requires less copper, aluminum, and core material, resulting in:
- Smaller footprint
- Reduced weight
- Lower transportation costs
- Easier installation
- More economical project implementation
Flexible Voltage Customization
The standard configuration converts:
- Input Voltage: 220VAC
- Output Voltage: 380VAC
However, the transformer can be customized for a wide range of voltage combinations to meet regional grid requirements and equipment specifications.
Reliable Industrial Performance
Built using premium silicon steel laminations and high-temperature winding materials, the transformer provides stable operation under continuous industrial loads and demanding working conditions.
Superior Insulation and Electrical Safety
The transformer features:
- Class H insulation system
- 2500VAC dielectric withstand capability
- Insulation resistance greater than 100MΩ
These characteristics help ensure safe and reliable operation throughout the equipment lifecycle.
Long Service Life
Manufactured with high-quality Baosteel B50A470 silicon steel and precision winding technology, the transformer is designed for years of dependable service with minimal maintenance requirements.
Designed for Real-World Applications
The 15KVA Auto Transformer is widely used wherever efficient voltage adaptation is required.
Industrial Manufacturing Equipment
Provides voltage conversion for motors, production lines, machine tools, automation systems, and industrial process equipment.
Imported and Exported Machinery
Allows equipment designed for one voltage standard to operate reliably within a different regional power system.
HVAC Systems
Supports heating, ventilation, and air conditioning equipment requiring voltage adjustment for optimal operation.
Commercial Facilities
Used in office buildings, retail centers, warehouses, and commercial properties to match equipment voltage requirements.
Renewable Energy Systems
Suitable for voltage adaptation within solar power installations, battery energy storage systems, and distributed energy projects.
Testing Laboratories
Provides stable voltage conversion for testing equipment, research facilities, and engineering laboratories.
Optimized Solutions for Voltage Matching
At Instrava, we do more than supply transformers.
Our Optimized Solutions approach helps customers:
- Determine the correct transformer capacity
- Match voltage requirements accurately
- Select copper or aluminum winding options
- Optimize cooling methods
- Improve operational efficiency
- Reduce lifecycle ownership costs
The result is a transformer solution engineered for maximum performance and reliability.
Transformer Parameter
| Parameter | Spesifikasi |
|---|---|
| Nama Produk | Auto Transformer |
| Rated Capacity | 15KVA |
| Available Capacity Range | 3KVA – 3000KVA |
| Phase Configuration | Three Phase |
| Tegangan Input | 220VAC (Customizable) |
| Output Voltage | 380VAC (Customizable) |
| Frekuensi | 50Hz / 60Hz |
| Nilai Saat Ini | 22A |
| Short Circuit Impedance | 4% |
| Kekuatan Dielektrik | 2500VAC / 1 Minute |
| Insulation Class | Class H |
| Resistensi Isolasi | >100MΩ / DC500V |
| Winding Material | Copper or Aluminum |
| Core Material | Baosteel B50A470 Silicon Steel |
| Connection Mode | Y Connection or Customized |
| Cooling Method | Natural Air Cooling or Forced Air Cooling |
| Suhu Pengoperasian | -10°C to +45°C |
| Temperature Rise Limit | 100K |
| Installation Type | Indoor, Floor Mounted |
| Garansi | 3 Tahun |
Instrava OEM / ODM
Reliable Instruments & Power Infrastructure. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven measurement instruments and heavy-duty power transformers from trusted China manufacturers to ensure consistent quality. By thoroughly evaluating engineering topologies against real working conditions, we solve practical grid and process challenges, providing tailored configurations to meet specific application needs.
By combining selection expertise with deep application understanding, Instrava helps customers reduce operational risk, improve energy efficiency, and achieve dependable results across complex industrial and power distribution environments.
What are the advantages of an auto transformer compared to an isolation transformer?
Auto transformers offer several advantages:
- Higher efficiency
- Smaller physical size
- Lower weight
- Reduced material costs
- Lower installation expenses
- Improved voltage regulation
However, they do not provide galvanic isolation between input and output circuits.
What is a 15KVA auto transformer used for?
A 15KVA auto transformer is commonly used for:
- Industrial machinery
- HVAC equipment
- Manufacturing systems
- Commercial electrical systems
- Imported equipment voltage conversion
- Export machinery voltage adaptation
It is ideal for applications where efficient voltage conversion is required without electrical isolation.
Can the input and output voltages be customized?
Yes. While the standard configuration is 220VAC to 380VAC, custom voltage combinations can be manufactured to match specific utility systems, equipment requirements, and international power standards.
Should I choose copper or aluminum windings?
Both options provide reliable performance.
Copper windings offer:
- Higher conductivity
- Better overload performance
- Longer service life
Aluminum windings offer:
- Biaya lebih rendah
- Reduced weight
- Good performance for standard applications
The best choice depends on project requirements and budget considerations.
Does an auto transformer provide electrical isolation?
No. An auto transformer does not provide electrical isolation because the primary and secondary circuits share part of the same winding. If electrical isolation is required for safety or noise reduction, an isolation transformer should be selected instead.
How do I determine the correct transformer size?
Transformer sizing depends on:
- Total connected load
- Starting current requirements
- Continuous operating demand
- Future expansion plans
- System voltage requirements
Proper sizing improves efficiency, minimizes voltage drop, and extends equipment life.
Mengapa Memilih Instrava
Dibangun di atas Konsistensi, Bukan Klaim
Berfokus pada Aplikasi Industri
Kami mengkhususkan diri dalam analisis dan deteksi industri, dengan pemahaman yang jelas tentang lingkungan dan persyaratan operasi dunia nyata.
Kriteria Pemilihan Produk yang Ketat
Setiap instrumen dievaluasi berdasarkan performa, stabilitas, dan kesesuaian aplikasi-bukan hanya spesifikasi atau harga.
Konsistensi Pasokan & Kualitas yang Dapat Diandalkan
Kami bekerja sama dengan produsen tepercaya untuk memastikan pasokan yang stabil, kualitas yang konsisten, dan pengiriman yang dapat diandalkan.
Dukungan Praktis dan Berbasis Pengalaman
Rekomendasi kami didasarkan pada pemahaman aplikasi, membantu pelanggan menghindari masalah umum dan mencapai hasil yang dapat diandalkan.
Instrava dibuat untuk mengurangi ketidakpastian-sehingga setiap keputusan yang Anda buat menjadi lebih jelas, aman, dan dapat diandalkan.
