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35kv Oil-Immersed Power Transformer
35kv Oil-Immersed Power Transformer

35kv Oil-Immersed Power Transformer

20000KVA 35KV
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  • 35KV oil-immersed power transformer can be used for 35KV indoor power distribution, infrastructure and industrial applications. This 35KV oil-immersed power transformer is widely used in substations and medium frequency power. It has smaller size and weight, lower leakage, better insulation resistance and higher efficiency. Transformers are versatile and widely used and are an important part of various industrial electronic equipment.

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Jiangsu Dingxin Electric Co., Ltd.
Jiangsu Dingxin Electric Co., Ltd. specialize in the production of power equipment, with an annual production capacity of 50 million KVA. It mainly produces 110KV, 220KV and 500KV ultra-high voltage transformers, various dry-type transformers, oil-immersed transformers, amorphous alloy transformers, wind and solar energy storage transformers, prefabricated substations and reactors of various specifications with voltage levels of 35KV and below. , electric furnace transformer, rectifier transformer, mining transformer, split transformer, phase shift transformer and other special transformer, custom 20000KVA 35KV Oil-Immersed Power Transformer. company have successively passed IS09001, ISO14001, ISO45001, ISO19011 system certification. Among the customers we cooperate with are many urban and rural power grids, as well as petrochemical, metallurgical, textile enterprises, mines, ports, residential communities, etc. We have long-term cooperation with many well-known companies, and we are also qualified suppliers for many listed companies in the electrical industry. In order to achieve high-efficiency production control, we have our own production facility and strictly adhere to procedures like screening and auditing of raw material suppliers, testing of incoming materials, and comparison of incoming materials. Additionally, each batch of products is inspected and quality-controlled in strict accordance with the supplier's indicators. As OEM 20000KVA 35KV Oil-Immersed Power Transformer Manufacturers and Factory in China, We can more readily satisfy customer demands for minimum order quantities, quality control, delivery times, etc.Product sales cover the national market and are exported to Europe, the United States, Australia, Indonesia, Russia, Africa, Vietnam and other countries.
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  • S22-M-250/10-Nx1 And Energy Efficiency Report
  • SCB18-800/10-NX1 And Energy Efficiency Report
  • SCB18-500/10-NX1 And Energy Efficiency Report
  • SCB18-2500/10-NX1 And Energy Efficiency Report
  • S13-M-1000/10KV Type Test Report
  • S13-M-1000/20KV Type Test Report
  • S13-M.RL-630/10KV Type Test Report
  • S13-M-200/10-NX1 Type Test Report
  • S13-M-400/10-NX1 Type Test Report
  • S13-M-630/10KV-NX1 Type Test Report
  • S11-M-1000/10KV Type Test Report
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Why does the 35kv Oil-Immersed Power Transformer use oil immersion cooling?
The 35kV Oil-Immersed Power Transformer, a cornerstone in electrical distribution networks, employs a distinctive feature that sets it apart in terms of efficiency and reliability—oil immersion cooling. This cooling mechanism is not merely a design choice; it is a strategic engineering solution that addresses critical challenges in power transmission. 
Heat Dissipation and Temperature Control:
One of the primary reasons for adopting oil immersion cooling is its unparalleled ability to dissipate heat effectively. Transformers, during their operation, generate significant amounts of heat due to the flow of electrical currents through their windings. The insulating oil surrounding the core and windings serves as a medium for absorbing and transferring this heat away from critical components. By facilitating efficient heat dissipation, oil immersion cooling ensures that the transformer operates within optimal temperature ranges, mitigating the risks associated with overheating.
Preventing Hotspots and Thermal Stress:
Localized hotspots within a transformer can lead to thermal stress, adversely affecting the integrity of its components. The use of oil immersion cooling minimizes the occurrence of hotspots by uniformly distributing heat throughout the transformer. This uniform cooling prevents concentrated temperature variations that could compromise the insulation and structural integrity of the transformer over time. As a result, the transformer experiences reduced thermal stress, contributing to its longevity and reliability.
Dielectric Strength and Insulation:
Insulating oil in an oil-immersed transformer plays a crucial role in maintaining dielectric strength and insulation integrity. Dielectric strength refers to the ability of the insulating material to withstand high electric fields without breaking down. The oil in the transformer acts as both a coolant and an insulator, preventing electrical discharges and ensuring the transformer's reliable and safe operation. This dual functionality enhances the dielectric properties of the transformer, supporting its efficiency and overall performance.
Efficient Cooling Across the Transformer Core:
Oil immersion cooling ensures efficient cooling not only of the windings but also the transformer core. The core, made of laminated steel, is a critical component that experiences magnetic flux and associated heat generation during operation. The insulating oil circulates around the core, carrying away heat and preventing excessive temperature rises. This holistic cooling approach contributes to the transformer's ability to handle varying loads and environmental conditions.
Environmental Considerations and Sustainability:
While the use of oil immersion cooling has proven to be highly effective, it is essential to address environmental concerns associated with traditional mineral oil-based insulating fluids. The industry is progressively transitioning towards more environmentally friendly alternatives, such as vegetable-based or synthetic ester oils. These alternatives offer comparable cooling and insulation properties while aligning with global sustainability goals and regulations.

Are there any obstacles to the integration of Oil-Immersed Power Transformer into the smart grid?
The integration of traditional Oil-Immersed Power Transformers into the modern smart grid landscape presents both opportunities and challenges. While these transformers have long been reliable workhorses in power distribution networks, their seamless incorporation into the intelligent and interconnected world of smart grids is not without obstacles. 
Limited Monitoring Capabilities:
One of the primary challenges lies in the limited monitoring capabilities of traditional Oil-Immersed Power Transformers. Unlike their more modern counterparts, these transformers often lack built-in sensors and monitoring devices that provide real-time data on their operating conditions. In a smart grid environment, where data-driven insights are essential for optimizing performance, the absence of comprehensive monitoring capabilities poses a hurdle.
Data Accessibility and Connectivity:
Smart grids thrive on connectivity and the seamless exchange of data between various components. Integrating Oil-Immersed Power Transformers into this interconnected framework requires addressing challenges related to data accessibility and connectivity. Establishing reliable communication links for real-time data transmission from these transformers to central control systems may require retrofitting or additional investments in communication infrastructure.
Predictive Maintenance Challenges:
Smart grids leverage predictive maintenance strategies to enhance reliability and reduce downtime. Traditional Oil-Immersed Power Transformers may pose challenges in implementing such strategies due to the lack of advanced diagnostic features. Predicting potential failures and scheduling maintenance based on real-time condition monitoring becomes intricate without comprehensive data on transformer health and performance.
Cybersecurity Concerns:
As smart grids rely heavily on digital communication and data exchange, the integration of Oil-Immersed Power Transformers introduces cybersecurity concerns. The absence of modern communication protocols and encryption features in traditional transformers makes them susceptible to cybersecurity threats. Ensuring the security of data transmitted between transformers and grid management systems becomes a critical consideration.
Adaptability to Voltage Fluctuations:
Smart grids often experience variations in voltage levels to optimize energy distribution. Traditional transformers may face challenges in adapting to these dynamic voltage conditions seamlessly. Ensuring the compatibility and resilience of Oil-Immersed Power Transformers in the face of fluctuating voltages is crucial for their effective integration into the evolving smart grid infrastructure.
Environmental Impact:
While the insulating oil in Oil-Immersed Power Transformers serves as a coolant and insulator, the environmental impact of traditional mineral oil raises sustainability concerns. As smart grids emphasize green technologies, the industry is exploring alternatives, such as bio-based or synthetic ester oils, to minimize the environmental footprint of transformer operations.
Retrofitting Costs:
Upgrading traditional transformers to align with smart grid requirements often involves significant retrofitting costs. Installing sensors, communication modules, and cybersecurity measures can incur expenses that need to be justified against the potential benefits of enhanced grid intelligence and efficiency.
Industry Initiatives and Solutions:
Despite these challenges, industry stakeholders are actively working on solutions to facilitate the integration of Oil-Immersed Power Transformers into smart grids. Initiatives focus on developing retrofitting technologies, implementing standardized communication protocols, and advancing sensor technologies to enhance monitoring capabilities.