1000 KVA Vacuum Pressure Impregnated VPI Dry Type Transformer
Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 1000 kva vacuum pressure impregnated vpi dry type transformer in China, also supports customized service with low price. Welcome to buy discount 1000 kva vacuum pressure impregnated vpi dry type transformer for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
Product Introduction
Dry-type power transformers employ the specialized process techniques of European dry-type transformers. This ensures that the products fully comply with stringent requirements for fire resistance, waterproofing, and environmental protection.
Through the optimization of the high-voltage coil structure, this series of crt dry type transformer effectively refines the voltage and capacitance distribution across layers. As a result, their capability to withstand atmospheric overvoltage, operating overvoltage, and maintain an optimal electric field distribution is significantly enhanced. These delta star dry type transformers are the perfect choice for distribution systems, finding extensive application in subways, shipbuilding, mining, chemical industries, power enterprises, and densely populated buildings. They are also highly suitable for other scenarios with specific safety requirements.
VPI dry type transformer video
Technical specification
Performance Parameters of SC(B)11 Three-phase Resin-insulated Dry-type Power Transformer
| Transformer Type | Resin Cast Dry Type |
| Number of Phase | Three Phase |
| Winding Type | Two Winding |
| Winding Material | Aluminum/Copper |
| Rated Capacity | 1000kVA |
| High Voltage | 10/11kV |
| Low Voltage | 0.4kV |
| Tapping Range | ±2x2.5% |
| Impedance Voltage | 4% |
| No-load Loss | 0.27kW |
| No-load Current | 2% |
| Frequency | 50/60Hz |
| Connection Group | Yyn0/Dyn11 |
| Cooling Method | ANAF |
| Insulation Class | F |
| Thermal Class | F1 |
| Protection Level | IP00/IP20/IP30 |
| Climatic Class | C2 |
| Environmental Class | E2 |
| Temperature Rise | 100K |
| Operation Altitude | ≤1000m |
1000 KVA vacuum pressure impregnated VPI dry type transformer Manufacturing Process
Product Details
1. H-Grade Insulation
The SCB11 Series power transformers leverage premium materials and innovative technologies to attain H-grade insulation. This enables them to operate reliably in ambient temperatures of up to 180ºC, while the main components of the resin cast dry type transformer can withstand temperatures as high as 220ºC.
2. Safety
Constructed with flame-retardant and moisture-resistant insulating materials, SCB11 series cast coil dry type transformers contain only 10% of the combustible materials found in epoxy resin transformers. Even when subjected to prolonged burning at 800ºC, no toxic fumes are emitted, ensuring enhanced safety.
3. Reliability
Thanks to their unique coil design and advanced manufacturing techniques, SCB11 series cast resin transformers are highly resistant to moisture, mold, and flames. They can endure significant thermal shocks without experiencing partial discharges, guaranteeing consistent and dependable performance.
4. Strong Over-load Capacity
The 1000 KVA vacuum pressure impregnated VPI dry type transformers are capable of handling a load of up to 120% of their rated capacity. They can operate continuously under the IP23 protection level without the need for forced air cooling, showcasing remarkable overload resilience and operational flexibility.
Why are dry type transformers rating in KVA and not KW?
Encapsulated dry type transformers are rated in kVA instead of kW for these reasons:
First, a resin cast dry type transformer transfers electrical energy by electromagnetic induction. Its main job involves handling voltage and current, and kVA measures the apparent power it can manage. Apparent power combines real power (kW) and reactive power.
Second, electrical loads can be resistive, inductive, or capacitive. Inductive and capacitive loads create a phase difference between voltage and current, generating reactive power. Resin casting transformers need to handle both real and reactive power. KVA accounts for both, while kW only represents real power. Using kW for rating might lead to overloading when dealing with non - resistive loads.
Finally, rating in kVA provides a standard way applicable to various electrical systems and loads, regardless of the power factor. It makes it easier to select and compare vpi dry type transformers for different uses.
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