Oil Immersed Power Transformer
Transformers immersed in oil, the backbone of power transmission and distribution, are celebrated for their exceptional ability to dissipate heat. By utilizing high-grade insulating oil as a coolant, they effectively curb temperature increases during operation, bolstering the equipment's stability and lifespan, making them an indispensable safety element in large-scale power networks.
Product Details：Oil Immersed Power Transformer
Owing to their potent energy conversion ability, oil-immersed transformers are widely admired in the power industry. Characterized by a refined design, they effectively transform input power into the specified voltage, making them indispensable in power plants, substations, and industrial power installations, where they contribute to the efficient allocation and transportation of energy.
PARAMETER：
Model | OSFPZ-300000/400 | OSFPSZ-315000/400 | SFZ-4380000/420 |
Capacitance ratio (MVA) | 300/300/100 | 315/315/105 | 438/438 |
Ratio-voltage (kV) | 400±8×1.25%/115/10.5 | 400±8×1.25%/220/33 | 420(-10，+6)×1.25%/20 |
voltage regulation mode | Variable magnetic flux | Constant magnetic flux | Constant magnetic flux |
Open circuit losses (kW) | 78.01 | 55.96 | 149.56 |
Load losses (kW) | 581.95 | 430.88 | 779.93 |
Impedance voltage (%) | 14.3 (High-Medium) | 12.5 (high-medium) / 45 (high-low) / 30 (medium-low) | 14.31 |
Oil oil temperature rise (K) | 37.1 | 34.2 | 30.7 |
Maximum Winding temperature rise (K) | 56 | 47.3 | 47.5 |
No-load noise (dB (A)) | 64.7 | 60 | 67 |
Measured local level (pC) | 80 | 100 | 90 |
1. Selection Notes
Top-tier products exhibit an impeccable appearance, devoid of corrosion, damage, and boasting a uniformly applied, vibrant paint layer. During manufacturing, transformer winding terminals are arranged neatly, with contact distribution adhering to standards, and fixed firmly for reliability. Coils are embedded with precise spacing, and the iron core is fastened to the appropriate degree, kept clean and tidy. Additionally, all linkage parts are securely fastened and reliable.
To ensure a comprehensive understanding of the product, it's imperative to check the completeness of technical documents, which should encompass factory serial numbers, inspection certificate details, and a comprehensive user manual, among others.
2. Consider the installation environment and conditions
Transformer Selection for Ideal Fit: Select the transformer model and installation method that best fit the available space and layout of the installation site.
Ensuring Environmental Suitability: Consider the transformer's ability to withstand the temperature, humidity, and altitude of its installation environment to ensure optimal performance.
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"From Italy, I must commend Haikun Petrochemical for their impeccable service and high-quality industrial lubricants. Their attention to detail and commitment to customer satisfaction are truly impressive. A valuable addition to our supply chain." — Italy, Luca Bianchi
