If you’re searching for a dependable and efficient 150 KVA transformer for your next project, Evernew Transformers is your top choice. Explore our extensive product range to find the perfect three-phase transformer that meets your needs.
150 KVA Transformer Key Features
Internal Structure of 150 KVA Transformer
The internal structure of the 150 KVA three-phase oil-immersed step-down distribution transformer is carefully designed to ensure optimal performance and reliability. The transformer has a solid core made of high-quality silicon steel sheets to minimize core losses and maximize efficiency. The primary and secondary windings are made of high-quality copper or aluminum, ensuring excellent conductivity and durability.
The windings are carefully insulated and placed to reduce electrical losses and withstand high voltage stress. The 150KVA transformer is immersed in high-grade mineral oil, which acts as both a coolant and an insulator to effectively dissipate heat and extend the life of internal components.
The main internal components include:
Core: Made of high-grade silicon steel, designed to reduce core losses.
Windings: Made of high-quality copper or aluminum, insulated for optimal performance.
Insulation system: Ensures the integrity of the windings and core under high voltage conditions.
Cooling system: Mineral oil immersion provides effective cooling and electrical insulation.
Tap changer: Allows voltage adjustment to suit different load conditions.
To learn more about our custom 150 KVA transformers and to discuss your specific requirements, please contact Evernew Transformers’ technical team.
150 KVA Transformer Design/Structure
Technical specifications
150 KVA 3 Phase Oil lmmersed Step Down Distribution Transformer Specification and Data Sheet
| Place of Origin | China |
|---|---|
| Brand Name | Evernew Transformer |
| Model Number | Oil immersed transformer |
| Number of Phase | Three Phase |
| Coil Number | Three |
| Coil Structure | LAYER COIL |
| Winding Type | Two Winding |
| Certification | ISO CCC IEC |
| Standard | IEC Standard |
| Rated Capacity | 150 kVA |
| High Voltage | 11kV |
| Low Voltage | 0.4kV |
| Tapping Range | ±2×2.5% |
| Frequency | 50/60Hz |
| Vector group | Dyn11,Yyn0,Yzn11 |
| No Load Losses | 225 |
| Load Losses | 2820/2680 |
| Operating temperature | 40 To+180 |
| Cooling Method | ONAN |
| HV·Tapping | ±2.5%;±5% |
| Coil Material | Aluminum/Copper |
150 KVA Transformer Main Parameters
Evernew transformer 150 KVA three phase oil immersed transformer is designed to meet diverse voltage needs and connection methods. With initial voltage levels ranging from 4.16 kV to 34.5 kV and secondary voltage levels from 0.11 kV to 0.48 kV, this transformer ensures optimal performance for various applications. It supports multiple connection methods, including Delta-Wye, Dyn1, and Ynyn0, providing flexibility for different electrical systems.
| Rated Cap acity(kVA) | High Voltage(v) | Low Voltage(v) | Connection Symbol | Standard | Short-circuit impedance(%) | Efficiency （%） |
|---|---|---|---|---|---|---|
| 75 | 4160 7200 12000 12470 13200 13800 19920 24940 34500 | 110 220 230 400 480 | Delta-Wye Dyn1 Ynyn0 | IEEE/ANSI/DOE | 4-7% | 99.03 |
| 112 | 99.11 | |||||
| 150 | 99.16 | |||||
| 225 | 99.23 | |||||
| 300 | 99.27 | |||||
| 500 | 99.35 | |||||
| 750 | 99.4 | |||||
| 1000 | 99.43 | |||||
| 1500 | 99.48 | |||||
| 2000 | 99.51 | |||||
| 2500 | 99.53 |
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