Efficient Oil-Cooled Systems
As a static electrical device, the transformer employs the fundamental principles of electromagnetic induction to adjust the input voltage, either increasing or decreasing it, while maintaining the same frequency in its AC voltage output. This feature makes it indispensable for fulfilling the diverse needs of high-voltage power transmission systems, low-voltage distribution networks, and various other applications. Widely recognized as a reliable source of electrical power, transformers are extensively utilized in modern industries, agriculture, scientific research endeavors, and a myriad of electrical equipment that necessitate tailored voltage supplies.
Product Details：Efficient Oil-Cooled Systems
In contemporary times, transformers have become ubiquitous in factories, towering skyscrapers, bustling business hubs, vibrant theaters, healthcare facilities, hotels, intricate tunnels, subways, subterranean power stations, rigorous testing laboratories, transportation hubs, bustling docks, and bustling airports, among other crucial infrastructures. They furnish ample energy to these vital locations, thereby ensuring the seamless functioning of our society.
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. Focus on product quality
High-grade products should present an impeccable appearance, free from corrosion, damage, and exhibiting a uniform, vibrant paint finish. During manufacturing, transformer windings should be neatly arranged with proper contact distribution, firmly fixed, and reliable. The coils must be embedded with an appropriate distance between them, while the iron core should be fastened adequately and kept clean. Furthermore, all linkage components must be firmly and reliably connected.
To ensure product understanding, verify the completeness of technical documents, including factory identification, inspection certificate numbers, user manuals, among others, as they provide vital insights into the product's performance and quality.
2. Selection Points
Customize the transformer's rated capacity and voltage level based on genuine needs, factoring in the total electrical demand from connected equipment, load behavior, and potential for future growth. Additionally, evaluate the application context—whether as a mainstay transformer for the power system or a specialized distribution transformer—as this influences the transformer's performance prerequisites.
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Amidst the azure depths of the vast ocean, a tale of vitality and aspirations unfolded — the inception of HaiKun Petrochemical Technology Co. Akin to the dawn's first glimmer piercing through morning's sea haze, HaiKun ignited a fresh era in the petrochemical landscape.
At HaiKun Petrochemical Technology Co., Ltd., the pioneers comprehended that in today's interconnected world, quality and ingenuity serve as the cornerstone. Thus, HaiKun embarked on a journey from the very beginning, erecting its own manufacturing facility to guarantee the immaculateness and superiority of every petrochemical droplet. Within this haven, elite technicians collaborate with cutting-edge machinery, meticulously converting raw energy into market-responsive petrochemical marvels, ranging from fundamental oils to sophisticated chemicals, embodying HaiKun's relentless quest for excellence.
