1000 kVA Oil Immersed Transformer Buying Guide: Price, Specification, Weight & Selection Tips
Selecting the right power equipment is critical for industrial and commercial stability.
As a premier manufacturer with decades of experience, GNEE specializes in high-efficiency power solutions. If you are in the market for a 1000 kVA oil immersed transformer, understanding the technical nuances is essential for a long-term investment.
This 1000 kVA Oil Filled Transformer is designed for superior thermal performance and durability, making it the preferred choice for oil filled distribution transformers in demanding environments globally.
Whether you need an Outdoor Power Transformer or a substation unit, GNEE provides factory-direct expertise and premium quality.
Why Choose a 1000 kVA Oil Immersed Transformer?
The 1000 kVA oil immersed transformer is a cornerstone of modern electrical grids. Its ability to handle significant loads while maintaining cool operating temperatures through high-grade mineral oil makes it indispensable.
At GNEE, our three phase oil immersed transformer designs focus on reducing core losses and maximizing energy efficiency. Unlike dry-type units, the oil immersed type transformer offers better overload capacity and a longer lifespan, often exceeding 20-30 years with proper maintenance. This makes them the ideal oil filled distribution transformers for utility companies, mining operations, and large-scale manufacturing plants.
GNEE 1000 kVA Three Phase Oil Immersed Transformer Factory Stock
Key Technical Specifications and Parameters
When evaluating oil filled transformer sizes, the 1000 kVA model sits at a "sweet spot" for versatility. It provides enough power for medium-sized factories while remaining compact enough for standard outdoor installations.
1000 kVA Oil Filled Transformer Technical Data Table
| Parameter | Specification |
| Rated Capacity | 1000 kVA |
| Transformer Type | Three Phase Oil Immersed |
| Primary Voltage | 6kV, 10kV, 11kV, 20kV, 33kV (Customizable) |
| Secondary Voltage | 400V, 415V, 480V (Customizable) |
| Connection Symbol | Dyn11 / Yyn0 |
| Frequency | 50Hz / 60Hz |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Tapping Range | ±2 x 2.5% or ±5% |
| Insulation Class | Class A |
| Standards | IEC60076, ANSI, IEEE, GB/T |
Understanding Oil Immersed Transformer Parts and Construction
To ensure reliability, one must look at the quality of the oil immersed transformer parts. At GNEE, we use high-permeability silicon steel sheets for the core to minimize eddy currents.
- The Core: Stacked with cold-rolled grain-oriented silicon steel.
- Windings: High-quality copper or aluminum conductors (based on client preference) with multi-layer insulation.
- Conservator Tank: Allows for oil expansion and contraction during temperature fluctuations.
- Radiators: Designed for optimal heat dissipation for the Outdoor Power Transformer.
- Bushing: High-voltage and low-voltage porcelain bushings ensure safe electrical connections.
Weight and Dimensions: Logistics of Oil Filled Transformer Sizes
The weight of a 1000 kVA Oil Filled Transformer is a major factor in shipping costs and installation requirements. Generally, a standard 1000 kVA unit weighs between 2,200 kg and 2,800 kg, depending on whether copper or aluminum windings are used and the specific efficiency standards (e.g., Tier 1 vs. Tier 2 losses).
Knowing the oil filled transformer sizes helps in preparing the concrete pad or the pole-mounting structure. A typical footprint is approximately 1600mm x 1100mm x 1500mm.
At GNEE, we provide detailed GA (General Arrangement) drawings during the inquiry phase to ensure our equipment fits your site perfectly.
Detailed Oil Immersed Transformer Parts and Construction Features
Quality Assurance: Oil Filled Transformer Testing
As one of the leading oil filled transformer manufacturers, GNEE adheres to rigorous quality control. Every 1000 kVA oil immersed transformer undergoes a series of routine and type tests before leaving our facility.
Essential Tests Include:
- Voltage Ratio Test: Ensures the turn ratio meets the design specifications.
- Winding Resistance Test: Checks for integrity in the copper/aluminum coils.
- Insulation Resistance Test: Verifies the dielectric strength.
- Load Loss and No-Load Loss Test: Confirms the energy efficiency of the oil filled transformer sizes.
- Oil Dielectric Strength Test: Ensures the transformer oil is free of moisture and contaminants.
This commitment to oil filled transformer testing guarantees that our customers receive a product that is safe, efficient, and compliant with international standards like IEC and IEEE.
Price Factors for a 1000 kVA Oil Filled Transformer
The price of a 1000 kVA Oil Filled Transformer varies based on several factors. On average, you can expect a price range from $7,000 to $12,000 USD, though custom requirements can change this.
What influences the cost?
- Winding Material: Copper is more expensive than aluminum but offers better conductivity and smaller dimensions.
- Efficiency Ratings: High-efficiency models (Low loss) have a higher upfront cost but save money on electricity bills over time.
- Voltage Level: Higher primary voltages (e.g., 33kV) require more insulation and larger bushings.
- Market Fluctuations: The cost of raw steel and oil impacts the final quote.
Selection Tips for Your Outdoor Power Transformer
When purchasing an Outdoor Power Transformer, consider the environment. If your site is near the coast, you require specialized anti-corrosive paint. If it is in a high-altitude area, the insulation clearance must be adjusted.
- Verify the Manufacturer: Always buy from established oil filled transformer manufacturers like GNEE who can provide ISO certifications and test reports.
- Check the Cooling: Ensure the ONAN cooling system is sufficient for your local ambient temperature.
- Evaluate Total Cost of Ownership (TCO): Don't just look at the purchase price; look at the no-load losses. A cheaper, inefficient transformer will cost more in the long run.
Why GNEE is Your Trusted Partner
GNEE stands out among oil filled transformer manufacturers due to our integration of advanced technology and customer-centric service.
Our factory utilizes automated winding machines and vacuum drying ovens to ensure every three phase oil immersed transformer meets the highest global benchmarks. We provide global shipping, comprehensive warranties, and 24/7 technical support.
GNEE Factory Warehouse and Secure Transformer Packaging
Conclusion: Get a Quote for Your 1000 kVA Oil Immersed Transformer
Investing in a high-quality 1000 kVA oil immersed transformer is the best way to ensure the reliability of your electrical infrastructure. From its robust construction and high-grade oil immersed transformer parts to its rigorous oil filled transformer testing process, the GNEE 1000 kVA unit is built to perform under pressure.
As a professional manufacturer, we are ready to provide you with a customized solution that fits your budget and technical needs. Whether you are upgrading an existing substation or starting a new industrial project, our 1000 kVA Oil Filled Transformer is the durable choice you can trust.
Don't settle for less-ensure your power stability today!
What is the oil capacity of a 1000 kVA transformer?
The oil capacity of a 1000 kVA transformer typically ranges from 200 to 400 liters, depending on the design and cooling requirements. This oil capacity is essential for effective heat dissipation and insulation within the transformer.
How big is a 1000 kVA transformer?
| 1000 kVA Pad Mounted Transformer Specifications | ||
|---|---|---|
| Power rating | 1000kVA, 1 MVA | 1040w |
| Length | 1730mm | 2200lbs |
| Width | 1525mm | 310GAL |
| Height | 1885mm | 8360lbs |
FAQ
How many amps is a 1000 kVA transformer good for?
A 1000 kVA transformer is generally utilized in the process of transforming a high-voltage power supply line into a low-voltage power supply line. It uses kilovolt-amperes as the units of measurement for the transformer's apparent power (kVA). It is capable of withstanding a voltage of 120 and an amperage of 8333.
How many kW is a 1000 kVA transformer?
So, a 1000 kVA transformer can deliver approximately 800 kW of real power at a power factor of 0.8.
What is the heat load of a 1000 kVA transformer?
Transformers convert electrical power with ~98% efficiency. The remaining 2% turns into heat. For a 1000 kVA unit, that's ~20 kW of heat constantly dumped into the room.
What is the primary role of oil in oil immersed transformers?
The oil in oil immersed transformers serves dual functions: insulation and cooling. It acts as a barrier to prevent electrical leaks and dissipates heat generated, preventing overheating and potential electrical faults.
How often should the dielectric strength test be conducted?
Dielectric strength tests are typically recommended annually or as advised by the manufacturer, aligning with operational conditions to maintain optimal transformer performance.
Why is monitoring oil levels essential for transformer maintenance?
Monitoring oil levels is crucial because low oil levels can lead to overheating and reduced insulation ability, increasing the risk of electrical faults.
What measures can prevent thermal overloads in transformers?
Preventive measures for thermal overloads include optimizing load distribution, employing advanced cooling techniques, and continuous temperature monitoring with prompt corrective actions when necessary.
How can thermal imaging help in transformer maintenance?
Thermal imaging captures infrared images to identify hotspots that may indicate electrical issues or potential component failures, allowing for early intervention and prevention of larger failures.